Bug #21971 ยป 13258-v3.diff
| t3lib/class.t3lib_div.php (Arbeitskopie) | ||
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* @return boolean Whether the given URL is valid
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*/
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public static function isValidUrl($url) {
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return (filter_var($url, FILTER_VALIDATE_URL, FILTER_FLAG_SCHEME_REQUIRED) !== false);
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if (function_exists('filter_var')) {
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return (filter_var($url, FILTER_VALIDATE_URL, FILTER_FLAG_SCHEME_REQUIRED) !== FALSE);
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} else {
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// See PHP's ext/filter/logical_filters.c php_filter_validate_url()
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$parsed = @parse_url($url);
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if (!is_array($parsed) || !isset($parsed['scheme'])) {
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return FALSE;
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}
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$scheme = $parsed['scheme'];
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if ($scheme == 'http' || $scheme == 'https') {
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if (!isset($parsed['host']) || $parsed['host'] == '') {
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return FALSE;
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}
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if (!preg_match('/^[\w\._]+$/', $parsed['host']) || preg_match('/\.$/', $parsed['host']) ) {
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return FALSE;
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}
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}
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if (!isset($parsed['host']) && !in_array($scheme, array('mailto', 'news', 'file'))) {
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return FALSE;
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}
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return TRUE;
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}
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}
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