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https://github.com/ezyang/htmlpurifier.git
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37 lines
878 B
PHP
37 lines
878 B
PHP
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<?php
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require_once 'HTMLPurifier/AttrDef.php';
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require_once 'HTMLPurifier/AttrDef/Pixels.php';
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class HTMLPurifier_AttrDef_Length extends HTMLPurifier_AttrDef_Pixels
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{
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function validate($string) {
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$string = trim($string);
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if ($string === '') return false;
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$parent_result = parent::validate($string);
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if ($parent_result !== false) return $parent_result;
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$length = strlen($string);
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$last_char = $string[$length - 1];
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if ($last_char !== '%') return false;
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$points = substr($string, 0, $length - 1);
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if (!is_numeric($points)) return false;
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$points = (int) $points;
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if ($points < 0) return '0%';
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if ($points > 100) return '100%';
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return ((string) $points) . '%';
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}
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}
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?>
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