Online PHP editor | rfc for dJjAE

<?php function redirect($url = '', array $params = array()) { // スキーム省略に対応 $url = preg_replace_callback( '@^/{2}(?!/)@', function ($matches) { return empty($_SERVER['HTTPS']) || strcasecmp($_SERVER['HTTPS'], 'off') ? 'http://' : 'https://' ; }, $url ); // URLをパースする if (!$p = parse_url($url)) { throw new BadMethodCallException('URLのパースに失敗しました'); } // 相対URLで書かれた場合には絶対URLに補正して再パースさせる if (!isset($p['host'])) { $url = rtrim($GLOBALS['SITE_URL'], '/') . '/' . ltrim($url, '/'); if (!$p = parse_url($url) or !isset($p['host']) or !isset($p['scheme'])) { throw new BadMethodCallException('URLのパースに失敗しました'); } } // クエリ―ストリングをパースして連想配列にする parse_str(isset($p['query']) ? $p['query'] : '', $query); // URLを組み立てていく $user_and_pass[] = isset($p['user']) ? $p['user'] : null; $user_and_pass[] = isset($p['pass']) ? $p['pass'] : null; $host_and_port[] = $p['host']; $host_and_port[] = isset($p['port']) ? $p['port'] : null; $server[] = implode(':', array_filter($user_and_pass, 'is_scalar')); $server[] = implode(':', array_filter($host_and_port, 'is_scalar')); $server_and_path[] = implode('@', array_filter($server, 'strlen')); $server_and_path[] = isset($p['path']) ? ltrim($p['path'], '/') : ''; $sp_and_query[] = implode('/', $server_and_path); $sp_and_query[] = http_build_query($params + $query, '', '&'); $spq_and_fragment[] = implode('?', array_filter($sp_and_query, 'strlen')); $spq_and_fragment[] = isset($p['fragment']) ? $p['fragment'] : null; $scheme_and_spqf[] = $p['scheme']; $scheme_and_spqf[] = implode('#', array_filter($spq_and_fragment, 'is_scalar')); $url = implode('://', $scheme_and_spqf); // 改行コードやNULLバイトを削除する $url = str_replace(array("\r", "\n", "\0"), '', $url); return $url; } $SITE_URL = '///user:' . "\n\0\n" . 'pass@exam' . "\n" . 'ple.com:87/p'."\n".'ublic'; var_dump(redirect("\n" . 'test.php?a=b'));

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