修复 考虑 filter_var 不存在的情况
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@ -20,12 +20,20 @@ function _isLocalip($ip) {
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($iplong >= 150994944 && $iplong <= 167772159);
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}
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function _isip($host) {
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if(function_exists('filter_var')) {
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return filter_var($host, FILTER_VALIDATE_IP) !== false;
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} else {
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return preg_match('/^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$/', $host);
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}
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}
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function _dfsockopen($url, $limit = 0, $post = '', $cookie = '', $bysocket = FALSE, $ip = '', $timeout = 15, $block = TRUE, $encodetype = 'URLENCODE', $allowcurl = TRUE, $position = 0, $files = array()) {
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$return = '';
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$matches = parse_url($url);
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$scheme = $matches['scheme'];
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$host = $matches['host'];
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if(filter_var($host, FILTER_VALIDATE_IP) && _isLocalip($host) || $ip && _isLocalip($ip)) {
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if(_isip($host) && _isLocalip($host) || $ip && _isLocalip($ip)) {
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return '';
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}
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$path = $matches['path'] ? $matches['path'].($matches['query'] ? '?'.$matches['query'] : '') : '/';
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