From 42d6530c36524ce9039825824b85a8b717278adb Mon Sep 17 00:00:00 2001 From: ryan Date: Tue, 20 Sep 2005 22:18:47 +0000 Subject: [PATCH] Filter posts with kses for users who do not have the unfiltered_html cap. Props donncha. fixes #1674 git-svn-id: http://svn.automattic.com/wordpress/trunk@2896 1a063a9b-81f0-0310-95a4-ce76da25c4cd --- wp-includes/default-filters.php | 1 - wp-includes/kses.php | 613 +++++++++++++++----------------- 2 files changed, 290 insertions(+), 324 deletions(-) diff --git a/wp-includes/default-filters.php b/wp-includes/default-filters.php index 5b988a9cc..1c7a8867e 100644 --- a/wp-includes/default-filters.php +++ b/wp-includes/default-filters.php @@ -25,7 +25,6 @@ add_filter('pre_comment_author_url', 'trim'); add_filter('pre_comment_author_url', 'clean_url'); add_filter('pre_comment_content', 'stripslashes', 1); -add_filter('pre_comment_content', 'wp_filter_kses'); add_filter('pre_comment_content', 'wp_rel_nofollow', 15); add_filter('pre_comment_content', 'balanceTags', 30); add_filter('pre_comment_content', 'addslashes', 50); diff --git a/wp-includes/kses.php b/wp-includes/kses.php index 93dbe3a4f..2870cad65 100644 --- a/wp-includes/kses.php +++ b/wp-includes/kses.php @@ -1,4 +1,5 @@ array( - 'href' => array(), - 'title' => array() - ), - 'abbr' => array('title' => array()), - 'acronym' => array('title' => array()), - 'b' => array(), - 'blockquote' => array('cite' => array()), -// 'br' => array(), - 'code' => array(), -// 'del' => array('datetime' => array()), -// 'dd' => array(), -// 'dl' => array(), -// 'dt' => array(), - 'em' => array(), - 'i' => array(), -// 'ins' => array('datetime' => array(), 'cite' => array()), -// 'li' => array(), -// 'ol' => array(), -// 'p' => array(), -// 'q' => array(), - 'strike' => array(), - 'strong' => array(), -// 'sub' => array(), -// 'sup' => array(), -// 'u' => array(), -// 'ul' => array(), + $allowedposttags = array ('address' => array (), 'applet' => array ('codebase' => array (), 'code' => array (), 'name' => array (), 'alt' => array ()), 'area' => array ('shape' => array (), 'coords' => array (), 'href' => array (), 'alt' => array ()), 'a' => array ('href' => array (), 'title' => array (), 'rel' => array (), 'rev' => array (), 'name' => array ()), 'abbr' => array ('title' => array ()), 'acronym' => array ('title' => array ()), 'b' => array (), 'base' => array ('href' => array ()), 'basefont' => array ('size' => array ()), 'bdo' => array ('dir' => array ()), 'big' => array (), 'blockquote' => array ('cite' => array ()), 'body' => array ('alink' => array (), 'background' => array (), 'bgcolor' => array (), 'link' => array (), 'text' => array (), 'vlink' => array ()), 'br' => array (), 'button' => array ('disabled' => array (), 'name' => array (), 'type' => array (), 'value' => array ()), 'caption' => array ('align' => array ()), 'code' => array (), 'col' => array ('align' => array (), 'char' => array (), 'charoff' => array (), 'span' => array (), 'valign' => array (), 'width' => array ()), 'del' => array ('datetime' => array ()), 'dd' => array (), 'div' => array ('align' => array ()), 'dl' => array (), 'dt' => array (), 'em' => array (), 'fieldset' => array (), 'font' => array ('color' => array (), 'face' => array (), 'size' => array ()), 'form' => array ('action' => array (), 'accept' => array (), 'accept-charset' => array (), 'enctype' => array (), 'method' => array (), 'name' => array (), 'target' => array ()), 'frame' => array ('frameborder' => array (), 'longsesc' => array (), 'marginheight' => array (), 'marginwidth' => array (), 'name' => array (), 'noresize' => array (), 'scrolling' => array (), 'src' => array ()), 'frameset' => array ('cols' => array (), 'rows' => array ()), 'head' => array ('profile' => array ()), 'h1' => array ('align' => array ()), 'h2' => array ('align' => array ()), 'h3' => array ('align' => array ()), 'h4' => array ('align' => array ()), 'h5' => array ('align' => array ()), 'h6' => array ('align' => array ()), 'hr' => array ('align' => array (), 'noshade' => array (), 'size' => array (), 'width' => array ()), 'html' => array ('xmlns' => array ()), 'i' => array (), 'iframe' => array ('align' => array (), 'frameborder' => array (), 'height' => array (), 'londesc' => array (), 'marginheight' => array (), 'marginwidth' => array (), 'name' => array (), 'scrolling' => array (), 'src' => array (), 'width' => array ()), 'img' => array ('alt' => array (), 'align' => array (), 'border' => array (), 'height' => array (), 'hspace' => array (), 'ismap' => array (), 'longdesc' => array (), 'usemap' => array (), 'vspace' => array (), 'src' => array (), 'width' => array ()), 'input' => array ('accept' => array (), 'align' => array (), 'alt' => array (), 'checked' => array (), 'disabled' => array (), 'maxlength' => array (), 'name' => array (), 'readonly' => array (), 'size' => array (), 'src' => array (), 'type' => array (), 'value' => array ()), 'ins' => array ('datetime' => array (), 'cite' => array ()), 'kbd' => array (), 'label' => array ('for' => array ()), 'legend' => array ('align' => array ()), 'li' => array (), 'link' => array ('charset' => array (), 'href' => array (), 'hreflang' => array (), 'media' => array (), 'rel' => array (), 'rev' => array (), 'target' => array (), 'type' => array ()), 'map' => array ('id' => array (), 'name' => array ()), 'menu' => array (), 'meta' => array ('content' => array (), 'http-equiv' => array (), 'name' => array (), 'scheme' => array ()), 'noframes' => array (), 'noscript' => array (), 'object' => array ('align' => array (), 'archive' => array (), 'border' => array (), 'classid' => array (), 'codebase' => array (), 'codetype' => array (), 'data' => array (), 'declare' => array (), 'height' => array (), 'hspace' => array (), 'name' => array (), 'standby' => array (), 'type' => array (), 'usemap' => array (), 'vspace' => array (), 'width' => array ()), 'ol' => array ('compact' => array (), 'start' => array (), 'type' => array ()), 'optgroup' => array ('label' => array (), 'disabled' => array ()), 'option' => array ('disabled' => array (), 'label' => array (), 'selected' => array (), 'value' => array ()), 'p' => array ('align' => array ()), 'param' => array ('name' => array (), 'type' => array (), 'value' => array (), 'valuetype' => array ()), 'pre' => array ('width' => array ()), 'q' => array ('cite' => array ()), 's' => array (), 'strike' => array (), 'strong' => array (), 'style' => array ('type' => array (), 'media' => array ()), 'sub' => array (), 'sup' => array (), 'table' => array ('align' => array (), 'bgcolor' => array (), 'border' => array (), 'cellpadding' => array (), 'cellspacing' => array (), 'frame' => array (), 'rules' => array (), 'summary' => array (), 'width' => array ()), 'tbody' => array ('align' => array (), 'char' => array (), 'charoff' => array (), 'valign' => array ()), 'td' => array ('abbr' => array (), 'align' => array (), 'axis' => array (), 'bgcolor' => array (), 'char' => array (), 'charoff' => array (), 'colspan' => array (), 'headers' => array (), 'height' => array (), 'nowrap' => array (), 'rowspan' => array (), 'scope' => array (), 'valign' => array (), 'width' => array ()), 'textarea' => array ('cols' => array (), 'rows' => array (), 'disabled' => array (), 'name' => array (), 'readonly' => array ()), 'tfoot' => array ('align' => array (), 'char' => array (), 'charoff' => array (), 'valign' => array ()), 'th' => array ('abbr' => array (), 'align' => array (), 'axis' => array (), 'bgcolor' => array (), 'char' => array (), 'charoff' => array (), 'colspan' => array (), 'headers' => array (), 'height' => array (), 'nowrap' => array (), 'rowspan' => array (), 'scope' => array (), 'valign' => array (), 'width' => array ()), 'thead' => array ('align' => array (), 'char' => array (), 'charoff' => array (), 'valign' => array ()), 'title' => array (), 'tr' => array ('align' => array (), 'bgcolor' => array (), 'char' => array (), 'charoff' => array (), 'valign' => array ()), 'tt' => array (), 'u' => array (), 'ul' => array (), 'var' => array ()); + $allowedtags = array ('a' => array ('href' => array (), 'title' => array ()), 'abbr' => array ('title' => array ()), 'acronym' => array ('title' => array ()), 'b' => array (), 'blockquote' => array ('cite' => array ()), + // 'br' => array(), + 'code' => array (), + // 'del' => array('datetime' => array()), + // 'dd' => array(), + // 'dl' => array(), + // 'dt' => array(), + 'em' => array (), 'i' => array (), + // 'ins' => array('datetime' => array(), 'cite' => array()), + // 'li' => array(), + // 'ol' => array(), + // 'p' => array(), + // 'q' => array(), + 'strike' => array (), 'strong' => array (), + // 'sub' => array(), + // 'sup' => array(), + // 'u' => array(), + // 'ul' => array(), ); } -function wp_kses($string, $allowed_html, $allowed_protocols = - array('http', 'https', 'ftp', 'news', 'nntp', 'feed', 'gopher', 'mailto')) -############################################################################### -# This function makes sure that only the allowed HTML element names, attribute -# names and attribute values plus only sane HTML entities will occur in -# $string. You have to remove any slashes from PHP's magic quotes before you -# call this function. -############################################################################### -{ - $string = wp_kses_no_null($string); - $string = wp_kses_js_entities($string); - $string = wp_kses_normalize_entities($string); - $string = wp_kses_hook($string); - $allowed_html_fixed = wp_kses_array_lc($allowed_html); - return wp_kses_split($string, $allowed_html_fixed, $allowed_protocols); +function wp_kses($string, $allowed_html, $allowed_protocols = array ('http', 'https', 'ftp', 'news', 'nntp', 'telnet', 'feed', 'gopher', 'mailto')) + ############################################################################### + # This function makes sure that only the allowed HTML element names, attribute + # names and attribute values plus only sane HTML entities will occur in + # $string. You have to remove any slashes from PHP's magic quotes before you + # call this function. + ############################################################################### + { + $string = wp_kses_no_null($string); + $string = wp_kses_js_entities($string); + $string = wp_kses_normalize_entities($string); + $string = wp_kses_hook($string); + $allowed_html_fixed = wp_kses_array_lc($allowed_html); + return wp_kses_split($string, $allowed_html_fixed, $allowed_protocols); } # function wp_kses - function wp_kses_hook($string) ############################################################################### # You add any kses hooks here. ############################################################################### { - return $string; + return $string; } # function wp_kses_hook - function wp_kses_version() ############################################################################### # This function returns kses' version number. ############################################################################### { - return '0.2.1'; + return '0.2.2'; } # function wp_kses_version - function wp_kses_split($string, $allowed_html, $allowed_protocols) ############################################################################### # This function searches for HTML tags, no matter how malformed. It also # matches stray ">" characters. ############################################################################### { - return preg_replace('%(<'. # EITHER: < - '[^>]*'. # things that aren't > - '(>|$)'. # > or end of string - '|>)%e', # OR: just a > - "wp_kses_split2('\\1', \$allowed_html, ". - '$allowed_protocols)', - $string); + return preg_replace('%(<'.# EITHER: < + '[^>]*'.# things that aren't > + '(>|$)'.# > or end of string + '|>)%e', # OR: just a > + "wp_kses_split2('\\1', \$allowed_html, ".'$allowed_protocols)', $string); } # function wp_kses_split - function wp_kses_split2($string, $allowed_html, $allowed_protocols) ############################################################################### # This function does a lot of work. It rejects some very malformed things @@ -104,29 +92,31 @@ function wp_kses_split2($string, $allowed_html, $allowed_protocols) # attribute list. ############################################################################### { - $string = wp_kses_stripslashes($string); + $string = wp_kses_stripslashes($string); - if (substr($string, 0, 1) != '<') - return '>'; - # It matched a ">" character + if (substr($string, 0, 1) != '<') + return '>'; + # It matched a ">" character - if (!preg_match('%^<\s*(/\s*)?([a-zA-Z0-9]+)([^>]*)>?$%', $string, $matches)) - return ''; - # It's seriously malformed + if (!preg_match('%^<\s*(/\s*)?([a-zA-Z0-9]+)([^>]*)>?$%', $string, $matches)) + return ''; + # It's seriously malformed - $slash = trim($matches[1]); - $elem = $matches[2]; - $attrlist = $matches[3]; + $slash = trim($matches[1]); + $elem = $matches[2]; + $attrlist = $matches[3]; - if (!is_array($allowed_html[strtolower($elem)])) - return ''; - # They are using a not allowed HTML element + if (!@ is_array($allowed_html[strtolower($elem)])) + return ''; + # They are using a not allowed HTML element - return wp_kses_attr("$slash$elem", $attrlist, $allowed_html, - $allowed_protocols); + if ($slash != '') + return "<$slash$elem>"; + # No attributes are allowed for closing elements + + return wp_kses_attr("$slash$elem", $attrlist, $allowed_html, $allowed_protocols); } # function wp_kses_split2 - function wp_kses_attr($element, $attr, $allowed_html, $allowed_protocols) ############################################################################### # This function removes all attributes, if none are allowed for this element. @@ -137,59 +127,59 @@ function wp_kses_attr($element, $attr, $allowed_html, $allowed_protocols) # it puts one in the returned code as well. ############################################################################### { -# Is there a closing XHTML slash at the end of the attributes? + # Is there a closing XHTML slash at the end of the attributes? - $xhtml_slash = ''; - if (preg_match('%\s/\s*$%', $attr)) - $xhtml_slash = ' /'; + $xhtml_slash = ''; + if (preg_match('%\s/\s*$%', $attr)) + $xhtml_slash = ' /'; -# Are any attributes allowed at all for this element? + # Are any attributes allowed at all for this element? - if (count($allowed_html[strtolower($element)]) == 0) - return "<$element$xhtml_slash>"; + if (@ count($allowed_html[strtolower($element)]) == 0) + return "<$element$xhtml_slash>"; -# Split it + # Split it - $attrarr = wp_kses_hair($attr, $allowed_protocols); + $attrarr = wp_kses_hair($attr, $allowed_protocols); -# Go through $attrarr, and save the allowed attributes for this element -# in $attr2 + # Go through $attrarr, and save the allowed attributes for this element + # in $attr2 - $attr2 = ''; + $attr2 = ''; - foreach ($attrarr as $arreach) - { - $current = $allowed_html[strtolower($element)] - [strtolower($arreach['name'])]; - if ($current == '') - continue; # the attribute is not allowed + foreach ($attrarr as $arreach) { + if (!@ isset ($allowed_html[strtolower($element)][strtolower($arreach['name'])])) + continue; # the attribute is not allowed - if (!is_array($current)) - $attr2 .= ' '.$arreach['whole']; - # there are no checks + $current = $allowed_html[strtolower($element)][strtolower($arreach['name'])]; + if ($current == '') + continue; # the attribute is not allowed - else - { - # there are some checks - $ok = true; - foreach ($current as $currkey => $currval) - if (!wp_kses_check_attr_val($arreach['value'], $arreach['vless'], - $currkey, $currval)) - { $ok = false; break; } + if (!is_array($current)) + $attr2 .= ' '.$arreach['whole']; + # there are no checks - if ($ok) - $attr2 .= ' '.$arreach['whole']; # it passed them - } # if !is_array($current) - } # foreach + else { + # there are some checks + $ok = true; + foreach ($current as $currkey => $currval) + if (!wp_kses_check_attr_val($arreach['value'], $arreach['vless'], $currkey, $currval)) { + $ok = false; + break; + } -# Remove any "<" or ">" characters + if ($ok) + $attr2 .= ' '.$arreach['whole']; # it passed them + } # if !is_array($current) + } # foreach - $attr2 = preg_replace('/[<>]/', '', $attr2); + # Remove any "<" or ">" characters - return "<$element$attr2$xhtml_slash>"; + $attr2 = preg_replace('/[<>]/', '', $attr2); + + return "<$element$attr2$xhtml_slash>"; } # function wp_kses_attr - function wp_kses_hair($attr, $allowed_protocols) ############################################################################### # This function does a lot of work. It parses an attribute list into an array @@ -200,121 +190,102 @@ function wp_kses_hair($attr, $allowed_protocols) # from attribute values. ############################################################################### { - $attrarr = array(); - $mode = 0; - $attrname = ''; + $attrarr = array (); + $mode = 0; + $attrname = ''; -# Loop through the whole attribute list + # Loop through the whole attribute list - while (strlen($attr) != 0) - { - $working = 0; # Was the last operation successful? + while (strlen($attr) != 0) { + $working = 0; # Was the last operation successful? - switch ($mode) - { - case 0: # attribute name, href for instance + switch ($mode) { + case 0 : # attribute name, href for instance - if (preg_match('/^([-a-zA-Z]+)/', $attr, $match)) - { - $attrname = $match[1]; - $working = $mode = 1; - $attr = preg_replace('/^[-a-zA-Z]+/', '', $attr); - } + if (preg_match('/^([-a-zA-Z]+)/', $attr, $match)) { + $attrname = $match[1]; + $working = $mode = 1; + $attr = preg_replace('/^[-a-zA-Z]+/', '', $attr); + } - break; + break; - case 1: # equals sign or valueless ("selected") + case 1 : # equals sign or valueless ("selected") - if (preg_match('/^\s*=\s*/', $attr)) # equals sign - { - $working = 1; $mode = 2; - $attr = preg_replace('/^\s*=\s*/', '', $attr); - break; - } + if (preg_match('/^\s*=\s*/', $attr)) # equals sign + { + $working = 1; + $mode = 2; + $attr = preg_replace('/^\s*=\s*/', '', $attr); + break; + } - if (preg_match('/^\s+/', $attr)) # valueless - { - $working = 1; $mode = 0; - $attrarr[] = array - ('name' => $attrname, - 'value' => '', - 'whole' => $attrname, - 'vless' => 'y'); - $attr = preg_replace('/^\s+/', '', $attr); - } + if (preg_match('/^\s+/', $attr)) # valueless + { + $working = 1; + $mode = 0; + $attrarr[] = array ('name' => $attrname, 'value' => '', 'whole' => $attrname, 'vless' => 'y'); + $attr = preg_replace('/^\s+/', '', $attr); + } - break; + break; - case 2: # attribute value, a URL after href= for instance + case 2 : # attribute value, a URL after href= for instance - if (preg_match('/^"([^"]*)"(\s+|$)/', $attr, $match)) - # "value" - { - $thisval = wp_kses_bad_protocol($match[1], $allowed_protocols); + if (preg_match('/^"([^"]*)"(\s+|$)/', $attr, $match)) + # "value" + { + $thisval = wp_kses_bad_protocol($match[1], $allowed_protocols); - $attrarr[] = array - ('name' => $attrname, - 'value' => $thisval, - 'whole' => "$attrname=\"$thisval\"", - 'vless' => 'n'); - $working = 1; $mode = 0; - $attr = preg_replace('/^"[^"]*"(\s+|$)/', '', $attr); - break; - } + $attrarr[] = array ('name' => $attrname, 'value' => $thisval, 'whole' => "$attrname=\"$thisval\"", 'vless' => 'n'); + $working = 1; + $mode = 0; + $attr = preg_replace('/^"[^"]*"(\s+|$)/', '', $attr); + break; + } - if (preg_match("/^'([^']*)'(\s+|$)/", $attr, $match)) - # 'value' - { - $thisval = wp_kses_bad_protocol($match[1], $allowed_protocols); + if (preg_match("/^'([^']*)'(\s+|$)/", $attr, $match)) + # 'value' + { + $thisval = wp_kses_bad_protocol($match[1], $allowed_protocols); - $attrarr[] = array - ('name' => $attrname, - 'value' => $thisval, - 'whole' => "$attrname='$thisval'", - 'vless' => 'n'); - $working = 1; $mode = 0; - $attr = preg_replace("/^'[^']*'(\s+|$)/", '', $attr); - break; - } + $attrarr[] = array ('name' => $attrname, 'value' => $thisval, 'whole' => "$attrname='$thisval'", 'vless' => 'n'); + $working = 1; + $mode = 0; + $attr = preg_replace("/^'[^']*'(\s+|$)/", '', $attr); + break; + } - if (preg_match("%^([^\s\"']+)(\s+|$)%", $attr, $match)) - # value - { - $thisval = wp_kses_bad_protocol($match[1], $allowed_protocols); + if (preg_match("%^([^\s\"']+)(\s+|$)%", $attr, $match)) + # value + { + $thisval = wp_kses_bad_protocol($match[1], $allowed_protocols); - $attrarr[] = array - ('name' => $attrname, - 'value' => $thisval, - 'whole' => "$attrname=\"$thisval\"", - 'vless' => 'n'); - # We add quotes to conform to W3C's HTML spec. - $working = 1; $mode = 0; - $attr = preg_replace("%^[^\s\"']+(\s+|$)%", '', $attr); - } + $attrarr[] = array ('name' => $attrname, 'value' => $thisval, 'whole' => "$attrname=\"$thisval\"", 'vless' => 'n'); + # We add quotes to conform to W3C's HTML spec. + $working = 1; + $mode = 0; + $attr = preg_replace("%^[^\s\"']+(\s+|$)%", '', $attr); + } - break; - } # switch + break; + } # switch - if ($working == 0) # not well formed, remove and try again - { - $attr = wp_kses_html_error($attr); - $mode = 0; - } - } # while + if ($working == 0) # not well formed, remove and try again + { + $attr = wp_kses_html_error($attr); + $mode = 0; + } + } # while - if ($mode == 1) - # special case, for when the attribute list ends with a valueless - # attribute like "selected" - $attrarr[] = array - ('name' => $attrname, - 'value' => '', - 'whole' => $attrname, - 'vless' => 'y'); + if ($mode == 1) + # special case, for when the attribute list ends with a valueless + # attribute like "selected" + $attrarr[] = array ('name' => $attrname, 'value' => '', 'whole' => $attrname, 'vless' => 'y'); - return $attrarr; + return $attrarr; } # function wp_kses_hair - function wp_kses_check_attr_val($value, $vless, $checkname, $checkvalue) ############################################################################### # This function performs different checks for attribute values. The currently @@ -322,65 +293,63 @@ function wp_kses_check_attr_val($value, $vless, $checkname, $checkvalue) # with even more checks to come soon. ############################################################################### { - $ok = true; + $ok = true; - switch (strtolower($checkname)) - { - case 'maxlen': - # The maxlen check makes sure that the attribute value has a length not - # greater than the given value. This can be used to avoid Buffer Overflows - # in WWW clients and various Internet servers. + switch (strtolower($checkname)) { + case 'maxlen' : + # The maxlen check makes sure that the attribute value has a length not + # greater than the given value. This can be used to avoid Buffer Overflows + # in WWW clients and various Internet servers. - if (strlen($value) > $checkvalue) - $ok = false; - break; + if (strlen($value) > $checkvalue) + $ok = false; + break; - case 'minlen': - # The minlen check makes sure that the attribute value has a length not - # smaller than the given value. + case 'minlen' : + # The minlen check makes sure that the attribute value has a length not + # smaller than the given value. - if (strlen($value) < $checkvalue) - $ok = false; - break; + if (strlen($value) < $checkvalue) + $ok = false; + break; - case 'maxval': - # The maxval check does two things: it checks that the attribute value is - # an integer from 0 and up, without an excessive amount of zeroes or - # whitespace (to avoid Buffer Overflows). It also checks that the attribute - # value is not greater than the given value. - # This check can be used to avoid Denial of Service attacks. + case 'maxval' : + # The maxval check does two things: it checks that the attribute value is + # an integer from 0 and up, without an excessive amount of zeroes or + # whitespace (to avoid Buffer Overflows). It also checks that the attribute + # value is not greater than the given value. + # This check can be used to avoid Denial of Service attacks. - if (!preg_match('/^\s{0,6}[0-9]{1,6}\s{0,6}$/', $value)) - $ok = false; - if ($value > $checkvalue) - $ok = false; - break; + if (!preg_match('/^\s{0,6}[0-9]{1,6}\s{0,6}$/', $value)) + $ok = false; + if ($value > $checkvalue) + $ok = false; + break; - case 'minval': - # The minval check checks that the attribute value is a positive integer, - # and that it is not smaller than the given value. + case 'minval' : + # The minval check checks that the attribute value is a positive integer, + # and that it is not smaller than the given value. - if (!preg_match('/^\s{0,6}[0-9]{1,6}\s{0,6}$/', $value)) - $ok = false; - if ($value < $checkvalue) - $ok = false; - break; + if (!preg_match('/^\s{0,6}[0-9]{1,6}\s{0,6}$/', $value)) + $ok = false; + if ($value < $checkvalue) + $ok = false; + break; - case 'valueless': - # The valueless check checks if the attribute has a value - # (like ) or not () or not (