dbh = @mysql_connect($dbhost, $dbuser, $dbpassword); if (!$this->dbh) { $this->bail("

Error establishing a database connection

This either means that the username and password information in your wp-config.php file is incorrect or we can't contact the database server at $dbhost. This could mean your host's database server is down.

If you're unsure what these terms mean you should probably contact your host. If you still need help you can always visit the WordPress Support Forums.

"); } $this->select($dbname); } // ================================================================== // Select a DB (if another one needs to be selected) function select($db) { if (!@mysql_select_db($db, $this->dbh)) { $this->bail("

Can’t select database

We were able to connect to the database server (which means your username and password is okay) but not able to select the $db database.

If you don't know how to setup a database you should contact your host. If all else fails you may find help at the WordPress Support Forums.

"); } } // ==================================================================== // Format a string correctly for safe insert under all PHP conditions function escape($string) { return addslashes( $string ); // Disable rest for now, causing problems if( !$this->dbh || version_compare( phpversion(), '4.3.0' ) == '-1' ) return mysql_escape_string( $string ); else return mysql_real_escape_string( $string, $this->dbh ); } // ================================================================== // Print SQL/DB error. function print_error($str = '') { global $EZSQL_ERROR; if (!$str) $str = mysql_error(); $EZSQL_ERROR[] = array ('query' => $this->last_query, 'error_str' => $str); // Is error output turned on or not.. if ( $this->show_errors ) { // If there is an error then take note of it print "

WordPress database error: [$str]
$this->last_query

"; } else { return false; } } // ================================================================== // Turn error handling on or off.. function show_errors() { $this->show_errors = true; } function hide_errors() { $this->show_errors = false; } // ================================================================== // Kill cached query results function flush() { $this->last_result = null; $this->col_info = null; $this->last_query = null; } // ================================================================== // Basic Query - see docs for more detail function query($query) { // initialise return $return_val = 0; $this->flush(); // Log how the function was called $this->func_call = "\$db->query(\"$query\")"; // Keep track of the last query for debug.. $this->last_query = $query; // Perform the query via std mysql_query function.. if (SAVEQUERIES) $this->timer_start(); $this->result = @mysql_query($query, $this->dbh); ++$this->num_queries; if (SAVEQUERIES) $this->queries[] = array( $query, $this->timer_stop() ); // If there is an error then take note of it.. if ( mysql_error() ) { $this->print_error(); return false; } if ( preg_match("/^\\s*(insert|delete|update|replace) /i",$query) ) { $this->rows_affected = mysql_affected_rows(); // Take note of the insert_id if ( preg_match("/^\\s*(insert|replace) /i",$query) ) { $this->insert_id = mysql_insert_id($this->dbh); } // Return number of rows affected $return_val = $this->rows_affected; } else { $i = 0; while ($i < @mysql_num_fields($this->result)) { $this->col_info[$i] = @mysql_fetch_field($this->result); $i++; } $num_rows = 0; while ( $row = @mysql_fetch_object($this->result) ) { $this->last_result[$num_rows] = $row; $num_rows++; } @mysql_free_result($this->result); // Log number of rows the query returned $this->num_rows = $num_rows; // Return number of rows selected $return_val = $this->num_rows; } return $return_val; } // ================================================================== // Get one variable from the DB - see docs for more detail function get_var($query=null, $x = 0, $y = 0) { $this->func_call = "\$db->get_var(\"$query\",$x,$y)"; if ( $query ) $this->query($query); // Extract var out of cached results based x,y vals if ( $this->last_result[$y] ) { $values = array_values(get_object_vars($this->last_result[$y])); } // If there is a value return it else return null return (isset($values[$x]) && $values[$x]!=='') ? $values[$x] : null; } // ================================================================== // Get one row from the DB - see docs for more detail function get_row($query = null, $output = OBJECT, $y = 0) { $this->func_call = "\$db->get_row(\"$query\",$output,$y)"; if ( $query ) $this->query($query); if ( $output == OBJECT ) { return $this->last_result[$y] ? $this->last_result[$y] : null; } elseif ( $output == ARRAY_A ) { return $this->last_result[$y] ? get_object_vars($this->last_result[$y]) : null; } elseif ( $output == ARRAY_N ) { return $this->last_result[$y] ? array_values(get_object_vars($this->last_result[$y])) : null; } else { $this->print_error(" \$db->get_row(string query, output type, int offset) -- Output type must be one of: OBJECT, ARRAY_A, ARRAY_N"); } } // ================================================================== // Function to get 1 column from the cached result set based in X index // se docs for usage and info function get_col($query = null , $x = 0) { if ( $query ) $this->query($query); // Extract the column values for ( $i=0; $i < count($this->last_result); $i++ ) { $new_array[$i] = $this->get_var(null, $x, $i); } return $new_array; } // ================================================================== // Return the the query as a result set - see docs for more details function get_results($query = null, $output = OBJECT) { $this->func_call = "\$db->get_results(\"$query\", $output)"; if ( $query ) $this->query($query); // Send back array of objects. Each row is an object if ( $output == OBJECT ) { return $this->last_result; } elseif ( $output == ARRAY_A || $output == ARRAY_N ) { if ( $this->last_result ) { $i = 0; foreach( $this->last_result as $row ) { $new_array[$i] = (array) $row; if ( $output == ARRAY_N ) { $new_array[$i] = array_values($new_array[$i]); } $i++; } return $new_array; } else { return null; } } } // ================================================================== // Function to get column meta data info pertaining to the last query // see docs for more info and usage function get_col_info($info_type = 'name', $col_offset = -1) { if ( $this->col_info ) { if ( $col_offset == -1 ) { $i = 0; foreach($this->col_info as $col ) { $new_array[$i] = $col->{$info_type}; $i++; } return $new_array; } else { return $this->col_info[$col_offset]->{$info_type}; } } } function timer_start() { $mtime = microtime(); $mtime = explode(' ', $mtime); $this->time_start = $mtime[1] + $mtime[0]; return true; } function timer_stop($precision = 3) { $mtime = microtime(); $mtime = explode(' ', $mtime); $time_end = $mtime[1] + $mtime[0]; $time_total = $time_end - $this->time_start; return $time_total; } function bail($message) { // Just wraps errors in a nice header and footer if ( !$this->show_errors ) return false; wp_die($message); } } $wpdb = new wpdb(DB_USER, DB_PASSWORD, DB_NAME, DB_HOST); ?>