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<?php $pattern = '/(?:src|href)\=(?:\\\'|")([^\\\'"]+)(?:\\\'|")/'; $source = <<<SRC <a href="http://www.sape.ru">some text</a> <img src='logo.jpg' alt=''></a> <img src='../../logo.jpg' alt=''></a> <img src='/path/to/file' alt=''></a> SRC; $baseUrl = 'www.sape.ru'; $callback = function($matches) use ($baseUrl) { $srcTag = $matches[0]; $url = $matches[1]; $search = array( 'http://', 'https://', '../', './', '//', $baseUrl ); foreach($search as $s) { var_dump('/' . preg_quote($s, '/') . '/'); $url = preg_replace('/' . preg_quote($s, '/') . '/', '', $url); } $url = preg_replace('/^[^\/]\//', '/', $url); $path = parse_url($url, PHP_URL_PATH); //if (empty($path)) { // $path = '/'; //} $query = parse_url($url, PHP_URL_QUERY); if (!empty($query)) { $path.= '?' . $query; } $fragment = parse_url($url, PHP_URL_FRAGMENT); if (!empty($fragment)) { $path.= '#' . $fragment; } $resultUrl = 'http://' . $baseUrl . '/' . ltrim($path, '/'); //var_dump($resultUrl); return str_replace($url, $resultUrl, $srcTag); }; $source = preg_replace_callback($pattern, $callback, $source); var_dump($source);

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