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< ? php
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require_once ( dirname ( __FILE__ ) . '/functions-compat.php' );
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if ( ! function_exists ( '_' ) ) {
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function _ ( $string ) {
return $string ;
}
}
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function mysql2date ( $dateformatstring , $mysqlstring , $translate = true ) {
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global $wp_locale ;
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$m = $mysqlstring ;
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if ( empty ( $m ) ) {
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return false ;
}
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$i = mktime ( substr ( $m , 11 , 2 ), substr ( $m , 14 , 2 ), substr ( $m , 17 , 2 ), substr ( $m , 5 , 2 ), substr ( $m , 8 , 2 ), substr ( $m , 0 , 4 ));
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if ( 'U' == $dateformatstring )
return $i ;
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if ( - 1 == $i || false == $i )
$i = 0 ;
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if ( ! empty ( $wp_locale -> month ) && ! empty ( $wp_locale -> weekday ) && $translate ) {
$datemonth = $wp_locale -> get_month ( date ( 'm' , $i ));
$datemonth_abbrev = $wp_locale -> get_month_abbrev ( $datemonth );
$dateweekday = $wp_locale -> get_weekday ( date ( 'w' , $i ));
$dateweekday_abbrev = $wp_locale -> get_weekday_abbrev ( $dateweekday );
$datemeridiem = $wp_locale -> get_meridiem ( date ( 'a' , $i ));
$datemeridiem_capital = $wp_locale -> get_meridiem ( date ( 'A' , $i ));
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$dateformatstring = ' ' . $dateformatstring ;
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$dateformatstring = preg_replace ( " /([^ \\ \ ])D/ " , " \\ 1 " . backslashit ( $dateweekday_abbrev ), $dateformatstring );
$dateformatstring = preg_replace ( " /([^ \\ \ ])F/ " , " \\ 1 " . backslashit ( $datemonth ), $dateformatstring );
$dateformatstring = preg_replace ( " /([^ \\ \ ])l/ " , " \\ 1 " . backslashit ( $dateweekday ), $dateformatstring );
$dateformatstring = preg_replace ( " /([^ \\ \ ])M/ " , " \\ 1 " . backslashit ( $datemonth_abbrev ), $dateformatstring );
$dateformatstring = preg_replace ( " /([^ \\ \ ])a/ " , " \\ 1 " . backslashit ( $datemeridiem ), $dateformatstring );
$dateformatstring = preg_replace ( " /([^ \\ \ ])A/ " , " \\ 1 " . backslashit ( $datemeridiem_capital ), $dateformatstring );
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$dateformatstring = substr ( $dateformatstring , 1 , strlen ( $dateformatstring ) - 1 );
}
$j = @ date ( $dateformatstring , $i );
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if ( ! $j ) {
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// for debug purposes
// echo $i." ".$mysqlstring;
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}
return $j ;
}
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function current_time ( $type , $gmt = 0 ) {
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switch ( $type ) {
case 'mysql' :
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if ( $gmt ) $d = gmdate ( 'Y-m-d H:i:s' );
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else $d = gmdate ( 'Y-m-d H:i:s' , ( time () + ( get_settings ( 'gmt_offset' ) * 3600 )));
return $d ;
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break ;
case 'timestamp' :
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if ( $gmt ) $d = time ();
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else $d = time () + ( get_settings ( 'gmt_offset' ) * 3600 );
return $d ;
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break ;
}
}
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function date_i18n ( $dateformatstring , $unixtimestamp ) {
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global $wp_locale ;
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$i = $unixtimestamp ;
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if ( ( ! empty ( $wp_locale -> month )) && ( ! empty ( $wp_locale -> weekday )) ) {
$datemonth = $wp_locale -> get_month ( date ( 'm' , $i ));
$datemonth_abbrev = $wp_locale -> get_month_abbrev ( $datemonth );
$dateweekday = $wp_locale -> get_weekday ( date ( 'w' , $i ));
$dateweekday_abbrev = $wp_locale -> get_weekday_abbrev ( $dateweekday );
$datemeridiem = $wp_locale -> get_meridiem ( date ( 'a' , $i ));
$datemeridiem_capital = $wp_locale -> get_meridiem ( date ( 'A' , $i ));
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$dateformatstring = ' ' . $dateformatstring ;
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$dateformatstring = preg_replace ( " /([^ \\ \ ])D/ " , " \\ 1 " . backslashit ( $dateweekday_abbrev ), $dateformatstring );
$dateformatstring = preg_replace ( " /([^ \\ \ ])F/ " , " \\ 1 " . backslashit ( $datemonth ), $dateformatstring );
$dateformatstring = preg_replace ( " /([^ \\ \ ])l/ " , " \\ 1 " . backslashit ( $dateweekday ), $dateformatstring );
$dateformatstring = preg_replace ( " /([^ \\ \ ])M/ " , " \\ 1 " . backslashit ( $datemonth_abbrev ), $dateformatstring );
$dateformatstring = preg_replace ( " /([^ \\ \ ])a/ " , " \\ 1 " . backslashit ( $datemeridiem ), $dateformatstring );
$dateformatstring = preg_replace ( " /([^ \\ \ ])A/ " , " \\ 1 " . backslashit ( $datemeridiem_capital ), $dateformatstring );
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$dateformatstring = substr ( $dateformatstring , 1 , strlen ( $dateformatstring ) - 1 );
}
$j = @ date ( $dateformatstring , $i );
return $j ;
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}
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function get_weekstartend ( $mysqlstring , $start_of_week ) {
$my = substr ( $mysqlstring , 0 , 4 );
$mm = substr ( $mysqlstring , 8 , 2 );
$md = substr ( $mysqlstring , 5 , 2 );
$day = mktime ( 0 , 0 , 0 , $md , $mm , $my );
$weekday = date ( 'w' , $day );
$i = 86400 ;
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if ( $weekday < get_settings ( 'start_of_week' ) )
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$weekday = 7 - ( get_settings ( 'start_of_week' ) - $weekday );
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while ( $weekday > get_settings ( 'start_of_week' )) {
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$weekday = date ( 'w' , $day );
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if ( $weekday < get_settings ( 'start_of_week' ) )
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$weekday = 7 - ( get_settings ( 'start_of_week' ) - $weekday );
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$day = $day - 86400 ;
$i = 0 ;
}
$week [ 'start' ] = $day + 86400 - $i ;
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// $week['end'] = $day - $i + 691199;
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$week [ 'end' ] = $week [ 'start' ] + 604799 ;
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return $week ;
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}
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function get_lastpostdate ( $timezone = 'server' ) {
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global $cache_lastpostdate , $pagenow , $wpdb ;
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$add_seconds_blog = get_settings ( 'gmt_offset' ) * 3600 ;
$add_seconds_server = date ( 'Z' );
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if ( ! isset ( $cache_lastpostdate [ $timezone ]) ) {
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switch ( strtolower ( $timezone )) {
case 'gmt' :
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$lastpostdate = $wpdb -> get_var ( " SELECT post_date_gmt FROM $wpdb->posts WHERE post_status = 'publish' ORDER BY post_date_gmt DESC LIMIT 1 " );
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break ;
case 'blog' :
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$lastpostdate = $wpdb -> get_var ( " SELECT post_date FROM $wpdb->posts WHERE post_status = 'publish' ORDER BY post_date_gmt DESC LIMIT 1 " );
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break ;
case 'server' :
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$lastpostdate = $wpdb -> get_var ( " SELECT DATE_ADD(post_date_gmt, INTERVAL ' $add_seconds_server ' SECOND) FROM $wpdb->posts WHERE post_status = 'publish' ORDER BY post_date_gmt DESC LIMIT 1 " );
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break ;
}
$cache_lastpostdate [ $timezone ] = $lastpostdate ;
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} else {
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$lastpostdate = $cache_lastpostdate [ $timezone ];
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}
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return $lastpostdate ;
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}
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function get_lastpostmodified ( $timezone = 'server' ) {
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global $cache_lastpostmodified , $pagenow , $wpdb ;
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$add_seconds_blog = get_settings ( 'gmt_offset' ) * 3600 ;
$add_seconds_server = date ( 'Z' );
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if ( ! isset ( $cache_lastpostmodified [ $timezone ]) ) {
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switch ( strtolower ( $timezone )) {
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case 'gmt' :
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$lastpostmodified = $wpdb -> get_var ( " SELECT post_modified_gmt FROM $wpdb->posts WHERE post_status = 'publish' ORDER BY post_modified_gmt DESC LIMIT 1 " );
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break ;
case 'blog' :
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$lastpostmodified = $wpdb -> get_var ( " SELECT post_modified FROM $wpdb->posts WHERE post_status = 'publish' ORDER BY post_modified_gmt DESC LIMIT 1 " );
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break ;
case 'server' :
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$lastpostmodified = $wpdb -> get_var ( " SELECT DATE_ADD(post_modified_gmt, INTERVAL ' $add_seconds_server ' SECOND) FROM $wpdb->posts WHERE post_status = 'publish' ORDER BY post_modified_gmt DESC LIMIT 1 " );
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break ;
}
$lastpostdate = get_lastpostdate ( $timezone );
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if ( $lastpostdate > $lastpostmodified ) {
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$lastpostmodified = $lastpostdate ;
}
$cache_lastpostmodified [ $timezone ] = $lastpostmodified ;
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} else {
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$lastpostmodified = $cache_lastpostmodified [ $timezone ];
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}
return $lastpostmodified ;
}
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function maybe_unserialize ( $original ) {
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if ( false !== $gm = @ unserialize ( $original ) )
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return $gm ;
else
return $original ;
}
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/* Options functions */
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function get_settings ( $setting ) {
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global $wpdb ;
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$value = wp_cache_get ( $setting , 'options' );
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if ( false === $value ) {
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if ( defined ( 'WP_INSTALLING' ) )
$wpdb -> hide_errors ();
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$row = $wpdb -> get_row ( " SELECT option_value FROM $wpdb->options WHERE option_name = ' $setting ' LIMIT 1 " );
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if ( defined ( 'WP_INSTALLING' ) )
$wpdb -> show_errors ();
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if ( is_object ( $row ) ) { // Has to be get_row instead of get_var because of funkiness with 0, false, null values
$value = $row -> option_value ;
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wp_cache_set ( $setting , $value , 'options' );
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} else {
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return false ;
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}
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}
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// If home is not set use siteurl.
if ( 'home' == $setting && '' == $value )
return get_settings ( 'siteurl' );
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if ( 'siteurl' == $setting || 'home' == $setting || 'category_base' == $setting )
$value = preg_replace ( '|/+$|' , '' , $value );
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return apply_filters ( 'option_' . $setting , maybe_unserialize ( $value ) );
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}
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function get_option ( $option ) {
return get_settings ( $option );
}
function form_option ( $option ) {
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echo htmlspecialchars ( get_option ( $option ), ENT_QUOTES );
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}
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function get_alloptions () {
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global $wpdb , $wp_queries ;
$wpdb -> hide_errors ();
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if ( ! $options = $wpdb -> get_results ( " SELECT option_name, option_value FROM $wpdb->options WHERE autoload = 'yes' " ) ) {
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$options = $wpdb -> get_results ( " SELECT option_name, option_value FROM $wpdb->options " );
}
$wpdb -> show_errors ();
foreach ( $options as $option ) {
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// "When trying to design a foolproof system,
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// never underestimate the ingenuity of the fools :)" -- Dougal
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if ( 'siteurl' == $option -> option_name )
$option -> option_value = preg_replace ( '|/+$|' , '' , $option -> option_value );
if ( 'home' == $option -> option_name )
$option -> option_value = preg_replace ( '|/+$|' , '' , $option -> option_value );
if ( 'category_base' == $option -> option_name )
$option -> option_value = preg_replace ( '|/+$|' , '' , $option -> option_value );
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$value = maybe_unserialize ( $option -> option_value );
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$all_options -> { $option -> option_name } = apply_filters ( 'pre_option_' . $option -> option_name , $value );
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}
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return apply_filters ( 'all_options' , $all_options );
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}
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function update_option ( $option_name , $newvalue ) {
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global $wpdb ;
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if ( is_string ( $newvalue ) )
$newvalue = trim ( $newvalue );
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// If the new and old values are the same, no need to update.
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$oldvalue = get_option ( $option_name );
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if ( $newvalue == $oldvalue ) {
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return false ;
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}
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if ( false === $oldvalue ) {
add_option ( $option_name , $newvalue );
return true ;
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}
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$_newvalue = $newvalue ;
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if ( is_array ( $newvalue ) || is_object ( $newvalue ) )
$newvalue = serialize ( $newvalue );
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wp_cache_set ( $option_name , $newvalue , 'options' );
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$newvalue = $wpdb -> escape ( $newvalue );
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$option_name = $wpdb -> escape ( $option_name );
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$wpdb -> query ( " UPDATE $wpdb->options SET option_value = ' $newvalue ' WHERE option_name = ' $option_name ' " );
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if ( $wpdb -> rows_affected == 1 ) {
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do_action ( " update_option_ { $option_name } " , array ( 'old' => $oldvalue , 'new' => $_newvalue ));
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return true ;
}
return false ;
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}
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// thx Alex Stapleton, http://alex.vort-x.net/blog/
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function add_option ( $name , $value = '' , $description = '' , $autoload = 'yes' ) {
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global $wpdb ;
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// Make sure the option doesn't already exist
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if ( false !== get_option ( $name ) )
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return ;
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if ( is_array ( $value ) || is_object ( $value ) )
$value = serialize ( $value );
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wp_cache_set ( $name , $value , 'options' );
$name = $wpdb -> escape ( $name );
$value = $wpdb -> escape ( $value );
$description = $wpdb -> escape ( $description );
$wpdb -> query ( " INSERT INTO $wpdb->options (option_name, option_value, option_description, autoload) VALUES (' $name ', ' $value ', ' $description ', ' $autoload ') " );
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return ;
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}
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function delete_option ( $name ) {
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global $wpdb ;
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// Get the ID, if no ID then return
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$option_id = $wpdb -> get_var ( " SELECT option_id FROM $wpdb->options WHERE option_name = ' $name ' " );
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if ( ! $option_id ) return false ;
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$wpdb -> query ( " DELETE FROM $wpdb->options WHERE option_name = ' $name ' " );
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wp_cache_delete ( $name , 'options' );
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return true ;
}
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function gzip_compression () {
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if ( ! get_settings ( 'gzipcompression' ) ) return false ;
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if ( extension_loaded ( 'zlib' ) ) {
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ob_start ( 'ob_gzhandler' );
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}
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}
// functions to count the page generation time (from phpBB2)
// ( or just any time between timer_start() and timer_stop() )
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function timer_stop ( $display = 0 , $precision = 3 ) { //if called like timer_stop(1), will echo $timetotal
global $timestart , $timeend ;
$mtime = microtime ();
$mtime = explode ( ' ' , $mtime );
$mtime = $mtime [ 1 ] + $mtime [ 0 ];
$timeend = $mtime ;
$timetotal = $timeend - $timestart ;
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if ( $display )
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echo number_format ( $timetotal , $precision );
return $timetotal ;
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}
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function weblog_ping ( $server = '' , $path = '' ) {
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global $wp_version ;
include_once ( ABSPATH . WPINC . '/class-IXR.php' );
// using a timeout of 3 seconds should be enough to cover slow servers
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$client = new IXR_Client ( $server , (( ! strlen ( trim ( $path )) || ( '/' == $path )) ? false : $path ));
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$client -> timeout = 3 ;
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$client -> useragent .= ' -- WordPress/' . $wp_version ;
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// when set to true, this outputs debug messages by itself
$client -> debug = false ;
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$home = trailingslashit ( get_option ( 'home' ) );
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if ( ! $client -> query ( 'weblogUpdates.extendedPing' , get_settings ( 'blogname' ), $home , get_bloginfo ( 'rss2_url' ) ) ) // then try a normal ping
$client -> query ( 'weblogUpdates.ping' , get_settings ( 'blogname' ), $home );
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}
function generic_ping ( $post_id = 0 ) {
$services = get_settings ( 'ping_sites' );
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$services = preg_replace ( " |( \ s)+| " , '$1' , $services ); // Kill dupe lines
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$services = trim ( $services );
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if ( '' != $services ) {
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$services = explode ( " \n " , $services );
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foreach ( $services as $service ) {
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weblog_ping ( $service );
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}
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}
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return $post_id ;
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}
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// Send a Trackback
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function trackback ( $trackback_url , $title , $excerpt , $ID ) {
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global $wpdb , $wp_version ;
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if ( empty ( $trackback_url ) )
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return ;
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$title = urlencode ( $title );
$excerpt = urlencode ( $excerpt );
$blog_name = urlencode ( get_settings ( 'blogname' ));
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$tb_url = $trackback_url ;
$url = urlencode ( get_permalink ( $ID ));
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$query_string = " title= $title &url= $url &blog_name= $blog_name &excerpt= $excerpt " ;
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$trackback_url = parse_url ( $trackback_url );
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$http_request = 'POST ' . $trackback_url [ 'path' ] . ( $trackback_url [ 'query' ] ? '?' . $trackback_url [ 'query' ] : '' ) . " HTTP/1.0 \r \n " ;
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$http_request .= 'Host: ' . $trackback_url [ 'host' ] . " \r \n " ;
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$http_request .= 'Content-Type: application/x-www-form-urlencoded; charset=' . get_settings ( 'blog_charset' ) . " \r \n " ;
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$http_request .= 'Content-Length: ' . strlen ( $query_string ) . " \r \n " ;
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$http_request .= " User-Agent: WordPress/ " . $wp_version ;
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$http_request .= " \r \n \r \n " ;
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$http_request .= $query_string ;
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if ( '' == $trackback_url [ 'port' ] )
$trackback_url [ 'port' ] = 80 ;
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$fs = @ fsockopen ( $trackback_url [ 'host' ], $trackback_url [ 'port' ], $errno , $errstr , 4 );
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@ fputs ( $fs , $http_request );
/*
$debug_file = 'trackback.log' ;
$fp = fopen ( $debug_file , 'a' );
fwrite ( $fp , " \n ***** \n Request: \n \n $http_request\n\nResponse : \n \n " );
while ( !@ feof ( $fs )) {
fwrite ( $fp , @ fgets ( $fs , 4096 ));
}
fwrite ( $fp , " \n \n " );
fclose ( $fp );
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*/
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@ fclose ( $fs );
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$tb_url = addslashes ( $tb_url );
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$wpdb -> query ( " UPDATE $wpdb->posts SET pinged = CONCAT(pinged, ' \n ', ' $tb_url ') WHERE ID = ' $ID ' " );
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return $wpdb -> query ( " UPDATE $wpdb->posts SET to_ping = TRIM(REPLACE(to_ping, ' $tb_url ', '')) WHERE ID = ' $ID ' " );
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}
function make_url_footnote ( $content ) {
preg_match_all ( '/<a(.+?)href=\"(.+?)\"(.*?)>(.+?)<\/a>/' , $content , $matches );
$j = 0 ;
for ( $i = 0 ; $i < count ( $matches [ 0 ]); $i ++ ) {
$links_summary = ( ! $j ) ? " \n " : $links_summary ;
$j ++ ;
$link_match = $matches [ 0 ][ $i ];
$link_number = '[' . ( $i + 1 ) . ']' ;
$link_url = $matches [ 2 ][ $i ];
$link_text = $matches [ 4 ][ $i ];
$content = str_replace ( $link_match , $link_text . ' ' . $link_number , $content );
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$link_url = (( strtolower ( substr ( $link_url , 0 , 7 )) != 'http://' ) && ( strtolower ( substr ( $link_url , 0 , 8 )) != 'https://' )) ? get_settings ( 'home' ) . $link_url : $link_url ;
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$links_summary .= " \n " . $link_number . ' ' . $link_url ;
}
$content = strip_tags ( $content );
$content .= $links_summary ;
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return $content ;
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}
function xmlrpc_getposttitle ( $content ) {
global $post_default_title ;
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if ( preg_match ( '/<title>(.+?)<\/title>/is' , $content , $matchtitle ) ) {
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$post_title = $matchtitle [ 0 ];
$post_title = preg_replace ( '/<title>/si' , '' , $post_title );
$post_title = preg_replace ( '/<\/title>/si' , '' , $post_title );
} else {
$post_title = $post_default_title ;
}
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return $post_title ;
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}
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function xmlrpc_getpostcategory ( $content ) {
global $post_default_category ;
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if ( preg_match ( '/<category>(.+?)<\/category>/is' , $content , $matchcat ) ) {
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$post_category = trim ( $matchcat [ 1 ], ',' );
$post_category = explode ( ',' , $post_category );
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} else {
$post_category = $post_default_category ;
}
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return $post_category ;
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}
function xmlrpc_removepostdata ( $content ) {
$content = preg_replace ( '/<title>(.+?)<\/title>/si' , '' , $content );
$content = preg_replace ( '/<category>(.+?)<\/category>/si' , '' , $content );
$content = trim ( $content );
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return $content ;
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}
function debug_fopen ( $filename , $mode ) {
global $debug ;
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if ( $debug == 1 ) {
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$fp = fopen ( $filename , $mode );
return $fp ;
} else {
return false ;
}
}
function debug_fwrite ( $fp , $string ) {
global $debug ;
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if ( $debug == 1 ) {
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fwrite ( $fp , $string );
}
}
function debug_fclose ( $fp ) {
global $debug ;
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if ( $debug == 1 ) {
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fclose ( $fp );
}
}
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function do_enclose ( $content , $post_ID ) {
global $wp_version , $wpdb ;
include_once ( ABSPATH . WPINC . '/class-IXR.php' );
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$log = debug_fopen ( ABSPATH . '/enclosures.log' , 'a' );
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$post_links = array ();
debug_fwrite ( $log , 'BEGIN ' . date ( 'YmdHis' , time ()) . " \n " );
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$pung = get_enclosed ( $post_ID );
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$ltrs = '\w' ;
$gunk = '/#~:.?+=&%@!\-' ;
$punc = '.:?\-' ;
$any = $ltrs . $gunk . $punc ;
preg_match_all ( " { \ b http : [ $any ] +? (?= [ $punc ] * [^ $any ] | $ )}x " , $content , $post_links_temp );
debug_fwrite ( $log , 'Post contents:' );
debug_fwrite ( $log , $content . " \n " );
foreach ( $post_links_temp [ 0 ] as $link_test ) :
if ( ! in_array ( $link_test , $pung ) ) : // If we haven't pung it already
$test = parse_url ( $link_test );
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if ( isset ( $test [ 'query' ]) )
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$post_links [] = $link_test ;
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elseif (( $test [ 'path' ] != '/' ) && ( $test [ 'path' ] != '' ))
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$post_links [] = $link_test ;
endif ;
endforeach ;
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foreach ( $post_links as $url ) :
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if ( $url != '' && ! $wpdb -> get_var ( " SELECT post_id FROM $wpdb->postmeta WHERE post_id = ' $post_ID ' AND meta_key = 'enclosure' AND meta_value LIKE (' $url %') " ) ) {
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if ( $headers = wp_get_http_headers ( $url ) ) {
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$len = ( int ) $headers [ 'content-length' ];
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$type = $wpdb -> escape ( $headers [ 'content-type' ] );
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$allowed_types = array ( 'video' , 'audio' );
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if ( in_array ( substr ( $type , 0 , strpos ( $type , " / " ) ), $allowed_types ) ) {
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$meta_value = " $url\n $len\n $type\n " ;
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$wpdb -> query ( " INSERT INTO ` $wpdb->postmeta ` ( `post_id` , `meta_key` , `meta_value` )
VALUES ( '$post_ID' , 'enclosure' , '$meta_value' ) " );
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}
}
}
endforeach ;
}
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function wp_get_http_headers ( $url , $red = 1 ) {
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global $wp_version ;
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@ set_time_limit ( 60 );
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if ( $red > 5 )
return false ;
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$parts = parse_url ( $url );
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$file = $parts [ 'path' ] . ( $parts [ 'query' ] ? '?' . $parts [ 'query' ] : '' );
$host = $parts [ 'host' ];
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if ( ! isset ( $parts [ 'port' ] ) )
$parts [ 'port' ] = 80 ;
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$head = " HEAD $file HTTP/1.1 \r \n HOST: $host\r\nUser -Agent: WordPress/ " . $wp_version . " \r \n \r \n " ;
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$fp = @ fsockopen ( $host , $parts [ 'port' ], $err_num , $err_msg , 3 );
if ( ! $fp )
return false ;
$response = '' ;
fputs ( $fp , $head );
while ( ! feof ( $fp ) && strpos ( $response , " \r \n \r \n " ) == false )
$response .= fgets ( $fp , 2048 );
fclose ( $fp );
preg_match_all ( '/(.*?): (.*)\r/' , $response , $matches );
$count = count ( $matches [ 1 ]);
for ( $i = 0 ; $i < $count ; $i ++ ) {
$key = strtolower ( $matches [ 1 ][ $i ]);
$headers [ " $key " ] = $matches [ 2 ][ $i ];
}
preg_match ( '/.*([0-9]{3}).*/' , $response , $return );
$headers [ 'response' ] = $return [ 1 ]; // HTTP response code eg 204, 200, 404
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$code = $headers [ 'response' ];
if ( ( '302' == $code || '301' == $code ) && isset ( $headers [ 'location' ]) )
return wp_get_http_headers ( $headers [ 'location' ], ++ $red );
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return $headers ;
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}
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function is_new_day () {
global $day , $previousday ;
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if ( $day != $previousday ) {
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return ( 1 );
} else {
return ( 0 );
}
}
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// Filters: these are the core of WP's plugin architecture
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function merge_filters ( $tag ) {
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global $wp_filter ;
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if ( isset ( $wp_filter [ 'all' ]) ) {
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foreach ( $wp_filter [ 'all' ] as $priority => $functions ) {
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if ( isset ( $wp_filter [ $tag ][ $priority ]) )
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$wp_filter [ $tag ][ $priority ] = array_merge ( $wp_filter [ 'all' ][ $priority ], $wp_filter [ $tag ][ $priority ]);
else
$wp_filter [ $tag ][ $priority ] = array_merge ( $wp_filter [ 'all' ][ $priority ], array ());
$wp_filter [ $tag ][ $priority ] = array_unique ( $wp_filter [ $tag ][ $priority ]);
}
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}
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if ( isset ( $wp_filter [ $tag ]) )
ksort ( $wp_filter [ $tag ] );
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}
function apply_filters ( $tag , $string ) {
global $wp_filter ;
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$args = array_slice ( func_get_args (), 2 );
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merge_filters ( $tag );
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if ( ! isset ( $wp_filter [ $tag ]) ) {
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return $string ;
}
foreach ( $wp_filter [ $tag ] as $priority => $functions ) {
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if ( ! is_null ( $functions ) ) {
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foreach ( $functions as $function ) {
$all_args = array_merge ( array ( $string ), $args );
$function_name = $function [ 'function' ];
$accepted_args = $function [ 'accepted_args' ];
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if ( $accepted_args == 1 )
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$the_args = array ( $string );
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elseif ( $accepted_args > 1 )
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$the_args = array_slice ( $all_args , 0 , $accepted_args );
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elseif ( $accepted_args == 0 )
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$the_args = NULL ;
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else
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$the_args = $all_args ;
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$string = call_user_func_array ( $function_name , $the_args );
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}
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}
}
return $string ;
}
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function add_filter ( $tag , $function_to_add , $priority = 10 , $accepted_args = 1 ) {
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global $wp_filter ;
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// check that we don't already have the same filter at the same priority
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if ( isset ( $wp_filter [ $tag ][ " $priority " ]) ) {
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foreach ( $wp_filter [ $tag ][ " $priority " ] as $filter ) {
// uncomment if we want to match function AND accepted_args
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// if ( $filter == array($function, $accepted_args) ) {
if ( $filter [ 'function' ] == $function_to_add ) {
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return true ;
}
}
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}
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// So the format is wp_filter['tag']['array of priorities']['array of ['array (functions, accepted_args)]']
$wp_filter [ $tag ][ " $priority " ][] = array ( 'function' => $function_to_add , 'accepted_args' => $accepted_args );
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return true ;
}
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function remove_filter ( $tag , $function_to_remove , $priority = 10 , $accepted_args = 1 ) {
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global $wp_filter ;
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// rebuild the list of filters
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if ( isset ( $wp_filter [ $tag ][ " $priority " ]) ) {
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$new_function_list = array ();
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foreach ( $wp_filter [ $tag ][ " $priority " ] as $filter ) {
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if ( $filter [ 'function' ] != $function_to_remove ) {
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$new_function_list [] = $filter ;
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}
}
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$wp_filter [ $tag ][ " $priority " ] = $new_function_list ;
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}
return true ;
}
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// The *_action functions are just aliases for the *_filter functions, they take special strings instead of generic content
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function do_action ( $tag , $arg = '' ) {
global $wp_filter ;
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$extra_args = array_slice ( func_get_args (), 2 );
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if ( is_array ( $arg ) )
$args = array_merge ( $arg , $extra_args );
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else
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$args = array_merge ( array ( $arg ), $extra_args );
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merge_filters ( $tag );
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if ( ! isset ( $wp_filter [ $tag ]) ) {
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return ;
}
foreach ( $wp_filter [ $tag ] as $priority => $functions ) {
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if ( ! is_null ( $functions ) ) {
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foreach ( $functions as $function ) {
$function_name = $function [ 'function' ];
$accepted_args = $function [ 'accepted_args' ];
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if ( $accepted_args == 1 ) {
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if ( is_array ( $arg ) )
$the_args = $arg ;
else
$the_args = array ( $arg );
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} elseif ( $accepted_args > 1 ) {
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$the_args = array_slice ( $args , 0 , $accepted_args );
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} elseif ( $accepted_args == 0 ) {
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$the_args = NULL ;
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} else {
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$the_args = $args ;
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}
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$string = call_user_func_array ( $function_name , $the_args );
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}
}
}
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}
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function add_action ( $tag , $function_to_add , $priority = 10 , $accepted_args = 1 ) {
add_filter ( $tag , $function_to_add , $priority , $accepted_args );
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}
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function remove_action ( $tag , $function_to_remove , $priority = 10 , $accepted_args = 1 ) {
remove_filter ( $tag , $function_to_remove , $priority , $accepted_args );
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}
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function update_post_cache ( & $posts ) {
global $post_cache ;
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if ( ! $posts )
return ;
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for ( $i = 0 ; $i < count ( $posts ); $i ++ ) {
$post_cache [ $posts [ $i ] -> ID ] = & $posts [ $i ];
}
}
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function clean_post_cache ( $id ) {
global $post_cache ;
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if ( isset ( $post_cache [ $id ] ) )
unset ( $post_cache [ $id ] );
}
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function update_page_cache ( & $pages ) {
global $page_cache ;
if ( ! $pages )
return ;
for ( $i = 0 ; $i < count ( $pages ); $i ++ ) {
$page_cache [ $pages [ $i ] -> ID ] = & $pages [ $i ];
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wp_cache_add ( $pages [ $i ] -> ID , $pages [ $i ], 'pages' );
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}
}
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function clean_page_cache ( $id ) {
global $page_cache ;
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if ( isset ( $page_cache [ $id ] ) )
unset ( $page_cache [ $id ] );
}
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function update_post_category_cache ( $post_ids ) {
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global $wpdb , $category_cache ;
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if ( empty ( $post_ids ) )
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return ;
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if ( is_array ( $post_ids ) )
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$post_ids = implode ( ',' , $post_ids );
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$dogs = $wpdb -> get_results ( " SELECT post_id, category_id FROM $wpdb->post2cat WHERE post_id IN ( $post_ids ) " );
2005-03-27 20:45:01 +00:00
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if ( empty ( $dogs ) )
return ;
2006-02-12 07:53:23 +00:00
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foreach ( $dogs as $catt )
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$category_cache [ $catt -> post_id ][ $catt -> category_id ] = & get_category ( $catt -> category_id );
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}
function update_post_caches ( & $posts ) {
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global $post_cache , $category_cache , $post_meta_cache ;
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global $wpdb ;
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// No point in doing all this work if we didn't match any posts.
if ( ! $posts )
return ;
// Get the categories for all the posts
for ( $i = 0 ; $i < count ( $posts ); $i ++ ) {
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$post_id_array [] = $posts [ $i ] -> ID ;
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$post_cache [ $posts [ $i ] -> ID ] = & $posts [ $i ];
}
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$post_id_list = implode ( ',' , $post_id_array );
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update_post_category_cache ( $post_id_list );
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// Get post-meta info
if ( $meta_list = $wpdb -> get_results ( " SELECT post_id, meta_key, meta_value FROM $wpdb->postmeta WHERE post_id IN( $post_id_list ) ORDER BY post_id, meta_key " , ARRAY_A ) ) {
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// Change from flat structure to hierarchical:
$post_meta_cache = array ();
foreach ( $meta_list as $metarow ) {
$mpid = $metarow [ 'post_id' ];
$mkey = $metarow [ 'meta_key' ];
$mval = $metarow [ 'meta_value' ];
// Force subkeys to be array type:
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if ( ! isset ( $post_meta_cache [ $mpid ]) || ! is_array ( $post_meta_cache [ $mpid ]) )
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$post_meta_cache [ $mpid ] = array ();
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if ( ! isset ( $post_meta_cache [ $mpid ][ " $mkey " ]) || ! is_array ( $post_meta_cache [ $mpid ][ " $mkey " ]) )
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$post_meta_cache [ $mpid ][ " $mkey " ] = array ();
// Add a value to the current pid/key:
$post_meta_cache [ $mpid ][ $mkey ][] = $mval ;
}
}
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}
function update_category_cache () {
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return true ;
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}
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/*
add_query_arg : Returns a modified querystring by adding
a single key & value or an associative array .
Setting a key value to emptystring removes the key .
Omitting oldquery_or_uri uses the $_SERVER value .
Parameters :
add_query_arg ( newkey , newvalue , oldquery_or_uri ) or
add_query_arg ( associative_array , oldquery_or_uri )
*/
function add_query_arg () {
$ret = '' ;
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if ( is_array ( func_get_arg ( 0 )) ) {
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if ( @ func_num_args () < 2 )
$uri = $_SERVER [ 'REQUEST_URI' ];
else
$uri = @ func_get_arg ( 1 );
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} else {
if ( @ func_num_args () < 3 )
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$uri = $_SERVER [ 'REQUEST_URI' ];
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else
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$uri = @ func_get_arg ( 2 );
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}
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if ( strstr ( $uri , '?' ) ) {
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$parts = explode ( '?' , $uri , 2 );
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if ( 1 == count ( $parts ) ) {
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$base = '?' ;
$query = $parts [ 0 ];
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} else {
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$base = $parts [ 0 ] . '?' ;
$query = $parts [ 1 ];
}
}
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else if ( strstr ( $uri , '/' ) ) {
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$base = $uri . '?' ;
$query = '' ;
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} else {
$base = '' ;
$query = $uri ;
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}
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parse_str ( $query , $qs );
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if ( is_array ( func_get_arg ( 0 )) ) {
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$kayvees = func_get_arg ( 0 );
$qs = array_merge ( $qs , $kayvees );
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} else {
$qs [ func_get_arg ( 0 )] = func_get_arg ( 1 );
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}
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foreach ( $qs as $k => $v ) {
if ( $v != '' ) {
if ( $ret != '' )
$ret .= '&' ;
$ret .= " $k = $v " ;
}
}
$ret = $base . $ret ;
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return trim ( $ret , '?' );
}
function remove_query_arg ( $key , $query ) {
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return add_query_arg ( $key , '' , $query );
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}
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function add_magic_quotes ( $array ) {
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global $wpdb ;
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foreach ( $array as $k => $v ) {
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if ( is_array ( $v ) ) {
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$array [ $k ] = add_magic_quotes ( $v );
} else {
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$array [ $k ] = $wpdb -> escape ( $v );
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}
}
return $array ;
}
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function wp_remote_fopen ( $uri ) {
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if ( ini_get ( 'allow_url_fopen' ) ) {
$fp = fopen ( $uri , 'r' );
if ( ! $fp )
return false ;
$linea = '' ;
while ( $remote_read = fread ( $fp , 4096 ) )
$linea .= $remote_read ;
fclose ( $fp );
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return $linea ;
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} else if ( function_exists ( 'curl_init' ) ) {
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$handle = curl_init ();
curl_setopt ( $handle , CURLOPT_URL , $uri );
curl_setopt ( $handle , CURLOPT_CONNECTTIMEOUT , 1 );
curl_setopt ( $handle , CURLOPT_RETURNTRANSFER , 1 );
$buffer = curl_exec ( $handle );
curl_close ( $handle );
return $buffer ;
} else {
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return false ;
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}
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}
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function wp ( $query_vars = '' ) {
global $wp ;
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$wp -> main ( $query_vars );
}
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function status_header ( $header ) {
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if ( 200 == $header )
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$text = 'OK' ;
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elseif ( 301 == $header )
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$text = 'Moved Permanently' ;
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elseif ( 302 == $header )
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$text = 'Moved Temporarily' ;
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elseif ( 304 == $header )
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$text = 'Not Modified' ;
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elseif ( 404 == $header )
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$text = 'Not Found' ;
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elseif ( 410 == $header )
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$text = 'Gone' ;
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@ header ( " HTTP/1.1 $header $text " );
@ header ( " Status: $header $text " );
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}
function nocache_headers () {
@ header ( 'Expires: Wed, 11 Jan 1984 05:00:00 GMT' );
@ header ( 'Last-Modified: ' . gmdate ( 'D, d M Y H:i:s' ) . ' GMT' );
@ header ( 'Cache-Control: no-cache, must-revalidate, max-age=0' );
@ header ( 'Pragma: no-cache' );
}
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function register_activation_hook ( $file , $function ) {
$file = plugin_basename ( $file );
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add_action ( 'activate_' . $file , $function );
}
function register_deactivation_hook ( $file , $function ) {
$file = plugin_basename ( $file );
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add_action ( 'deactivate_' . $file , $function );
}
function plugin_basename ( $file ) {
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$file = preg_replace ( '|\\\\+|' , '\\\\' , $file );
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$file = preg_replace ( '/^.*wp-content[\\\\\/]plugins[\\\\\/]/' , '' , $file );
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return $file ;
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}
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function get_num_queries () {
global $wpdb ;
return $wpdb -> num_queries ;
}
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function privacy_ping_filter ( $sites ) {
if ( get_option ( 'blog_public' ) )
return $sites ;
else
return '' ;
}
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function bool_from_yn ( $yn ) {
if ( $yn == 'Y' ) return 1 ;
return 0 ;
}
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function do_feed () {
$feed = get_query_var ( 'feed' );
// Remove the pad, if present.
$feed = preg_replace ( '/^_+/' , '' , $feed );
if ( $feed == '' || $feed == 'feed' )
$feed = 'rss2' ;
$for_comments = false ;
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if ( is_single () || ( get_query_var ( 'withcomments' ) == 1 ) ) {
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$feed = 'rss2' ;
$for_comments = true ;
}
$hook = 'do_feed_' . $feed ;
do_action ( $hook , $for_comments );
}
function do_feed_rdf () {
load_template ( ABSPATH . 'wp-rdf.php' );
}
function do_feed_rss () {
load_template ( ABSPATH . 'wp-rss.php' );
}
function do_feed_rss2 ( $for_comments ) {
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if ( $for_comments ) {
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load_template ( ABSPATH . 'wp-commentsrss2.php' );
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} else {
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load_template ( ABSPATH . 'wp-rss2.php' );
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}
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}
function do_feed_atom () {
load_template ( ABSPATH . 'wp-atom.php' );
}
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function do_robots () {
if ( '1' != get_option ( 'blog_public' ) ) {
echo " User-agent: * \n " ;
echo " Disallow: / \n " ;
} else {
echo " User-agent: * \n " ;
echo " Disallow: \n " ;
}
}
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function is_blog_installed () {
global $wpdb ;
$wpdb -> hide_errors ();
$installed = $wpdb -> get_var ( " SELECT option_value FROM $wpdb->options WHERE option_name = 'siteurl' " );
$wpdb -> show_errors ();
return $installed ;
}
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function wp_nonce_url ( $actionurl , $action = - 1 ) {
return add_query_arg ( '_wpnonce' , wp_create_nonce ( $action ), $actionurl );
}
function wp_nonce_field ( $action = - 1 ) {
echo '<input type="hidden" name="_wpnonce" value="' . wp_create_nonce ( $action ) . '" />' ;
}
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function wp_mkdir_p ( $target ) {
// from php.net/mkdir user contributed notes
if ( file_exists ( $target )) {
if ( ! @ is_dir ( $target ))
return false ;
else
return true ;
}
// Attempting to create the directory may clutter up our display.
if ( @ mkdir ( $target )) {
$stat = @ stat ( dirname ( $target ));
$dir_perms = $stat [ 'mode' ] & 0007777 ; // Get the permission bits.
@ chmod ( $target , $dir_perms );
return true ;
} else {
if ( is_dir ( dirname ( $target )) )
return false ;
}
// If the above failed, attempt to create the parent node, then try again.
if ( wp_mkdir_p ( dirname ( $target )))
return wp_mkdir_p ( $target );
return false ;
}
// Returns an array containing the current upload directory's path and url, or an error message.
function wp_upload_dir () {
$siteurl = get_settings ( 'siteurl' );
//prepend ABSPATH to $dir and $siteurl to $url if they're not already there
$path = str_replace ( ABSPATH , '' , trim ( get_settings ( 'upload_path' )));
$dir = ABSPATH . $path ;
$url = trailingslashit ( $siteurl ) . $path ;
if ( $dir == ABSPATH ) { //the option was empty
$dir = ABSPATH . 'wp-content/uploads' ;
}
if ( defined ( 'UPLOADS' ) ) {
$dir = ABSPATH . UPLOADS ;
$url = trailingslashit ( $siteurl ) . UPLOADS ;
}
if ( get_settings ( 'uploads_use_yearmonth_folders' )) {
// Generate the yearly and monthly dirs
$time = current_time ( 'mysql' );
$y = substr ( $time , 0 , 4 );
$m = substr ( $time , 5 , 2 );
$dir = $dir . " / $y / $m " ;
$url = $url . " / $y / $m " ;
}
// Make sure we have an uploads dir
if ( ! wp_mkdir_p ( $dir ) ) {
$message = sprintf ( __ ( 'Unable to create directory %s. Is its parent directory writable by the server?' ), $dir );
return array ( 'error' => $message );
}
$uploads = array ( 'path' => $dir , 'url' => $url , 'error' => false );
return apply_filters ( 'upload_dir' , $uploads );
}
function wp_upload_bits ( $name , $type , $bits ) {
if ( empty ( $name ) )
return array ( 'error' => " Empty filename " );
$upload = wp_upload_dir ();
if ( $upload [ 'error' ] !== false )
return $upload ;
$number = '' ;
$filename = $name ;
$path_parts = pathinfo ( $filename );
$ext = $path_parts [ 'extension' ];
if ( empty ( $ext ) )
$ext = '' ;
else
$ext = " . $ext " ;
while ( file_exists ( $upload [ 'path' ] . " / $filename " ) ) {
if ( '' == " $number $ext " )
$filename = $filename . ++ $number . $ext ;
else
$filename = str_replace ( " $number $ext " , ++ $number . $ext , $filename );
}
$new_file = $upload [ 'path' ] . " / $filename " ;
if ( ! wp_mkdir_p ( dirname ( $new_file ) ) ) {
$message = sprintf ( __ ( 'Unable to create directory %s. Is its parent directory writable by the server?' ), dirname ( $new_file ));
return array ( 'error' => $message );
}
$ifp = @ fopen ( $new_file , 'wb' );
if ( ! $ifp )
return array ( 'error' => " Could not write file $new_file . " );
$success = @ fwrite ( $ifp , $bits );
fclose ( $ifp );
// Set correct file permissions
$stat = @ stat ( dirname ( $new_file ));
$perms = $stat [ 'mode' ] & 0007777 ;
$perms = $perms & 0000666 ;
@ chmod ( $new_file , $perms );
// Compute the URL
$url = $upload [ 'url' ] . " / $filename " ;
return array ( 'file' => $new_file , 'url' => $url , 'error' => false );
}
function do_trackbacks ( $post_id ) {
global $wpdb ;
$post = $wpdb -> get_row ( " SELECT * FROM $wpdb->posts WHERE ID = $post_id " );
$to_ping = get_to_ping ( $post_id );
$pinged = get_pung ( $post_id );
if ( empty ( $to_ping ) ) {
$wpdb -> query ( " UPDATE $wpdb->posts SET to_ping = '' WHERE ID = ' $post_id ' " );
return ;
}
if ( empty ( $post -> post_excerpt ))
$excerpt = apply_filters ( 'the_content' , $post -> post_content );
else
$excerpt = apply_filters ( 'the_excerpt' , $post -> post_excerpt );
$excerpt = str_replace ( ']]>' , ']]>' , $excerpt );
$excerpt = strip_tags ( $excerpt );
if ( function_exists ( 'mb_strcut' ) ) // For international trackbacks
$excerpt = mb_strcut ( $excerpt , 0 , 252 , get_settings ( 'blog_charset' )) . '...' ;
else
$excerpt = substr ( $excerpt , 0 , 252 ) . '...' ;
$post_title = apply_filters ( 'the_title' , $post -> post_title );
$post_title = strip_tags ( $post_title );
if ( $to_ping ) : foreach ( $to_ping as $tb_ping ) :
$tb_ping = trim ( $tb_ping );
if ( ! in_array ( $tb_ping , $pinged ) ) {
trackback ( $tb_ping , $post_title , $excerpt , $post_id );
$pinged [] = $tb_ping ;
} else {
$wpdb -> query ( " UPDATE $wpdb->posts SET to_ping = TRIM(REPLACE(to_ping, ' $tb_ping ', '')) WHERE ID = ' $post_id ' " );
}
endforeach ; endif ;
}
function do_all_pings () {
global $wpdb ;
// Do pingbacks
while ( $ping = $wpdb -> get_row ( " SELECT * FROM { $wpdb -> posts } , { $wpdb -> postmeta } WHERE { $wpdb -> posts } .ID = { $wpdb -> postmeta } .post_id AND { $wpdb -> postmeta } .meta_key = '_pingme' LIMIT 1 " )) {
$wpdb -> query ( " DELETE FROM { $wpdb -> postmeta } WHERE post_id = { $ping -> ID } AND meta_key = '_pingme'; " );
pingback ( $ping -> post_content , $ping -> ID );
}
// Do Enclosures
while ( $enclosure = $wpdb -> get_row ( " SELECT * FROM { $wpdb -> posts } , { $wpdb -> postmeta } WHERE { $wpdb -> posts } .ID = { $wpdb -> postmeta } .post_id AND { $wpdb -> postmeta } .meta_key = '_encloseme' LIMIT 1 " )) {
$wpdb -> query ( " DELETE FROM { $wpdb -> postmeta } WHERE post_id = { $enclosure -> ID } AND meta_key = '_encloseme'; " );
do_enclose ( $enclosure -> post_content , $enclosure -> ID );
}
// Do Trackbacks
$trackbacks = $wpdb -> get_results ( " SELECT ID FROM $wpdb->posts WHERE CHAR_LENGTH(TRIM(to_ping)) > 7 AND post_status = 'publish' " );
if ( is_array ( $trackbacks ) ) {
foreach ( $trackbacks as $trackback ) {
do_trackbacks ( $trackback -> ID );
}
}
//Do Update Services/Generic Pings
generic_ping ();
}
function wp_proxy_check ( $ipnum ) {
if ( get_option ( 'open_proxy_check' ) && isset ( $ipnum ) ) {
$rev_ip = implode ( '.' , array_reverse ( explode ( '.' , $ipnum ) ) );
$lookup = $rev_ip . '.opm.blitzed.org.' ;
if ( $lookup != gethostbyname ( $lookup ) )
return true ;
}
return false ;
}
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?>