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23 lines
540 B
PHP
23 lines
540 B
PHP
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<?php
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require_once 'HTMLPurifier/AttrDef.php';
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// for col and row spans, essentially, a positive integer
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class HTMLPurifier_AttrDef_NumberSpan extends HTMLPurifier_AttrDef
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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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if ($string === '1') return false; // this is the default value
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if (!is_numeric($string)) return false;
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$int = (int) $string;
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if ($int <= 0) return false;
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return (string) $int;
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}
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}
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?>
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