3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $url = 'http://www.example.com/redirecting_page.php'; $fp = fopen($url, 'r'); $meta_data = stream_get_meta_data($fp); print_r($meta_data); foreach ($meta_data['wrapper_data'] as $response) { /* Были ли мы переадресованы? */ if (strtolower(substr($response, 0, 10)) == 'location: ') { /* Сохранить в $url адрес, куда нас переадресовали */ $url = substr($response, 10); } } ?>
based on R3cdP
Output for 5.3.18 - 5.4.45, 5.5.33, 5.6.18 - 5.6.19, 7.0.4, 7.0.20, 7.1.5 - 7.2.0
Warning: fopen(): php_network_getaddresses: getaddrinfo failed: System error in /in/NG0OI on line 4 Warning: fopen(http://www.example.com/redirecting_page.php): failed to open stream: php_network_getaddresses: getaddrinfo failed: System error in /in/NG0OI on line 4 Warning: stream_get_meta_data() expects parameter 1 to be resource, boolean given in /in/NG0OI on line 6 Warning: Invalid argument supplied for foreach() in /in/NG0OI on line 11
Output for 5.5.24 - 5.5.32, 5.5.34 - 5.6.17, 5.6.20 - 7.0.3, 7.0.5 - 7.0.6, 7.1.0
Warning: fopen(): php_network_getaddresses: getaddrinfo failed: Name or service not known in /in/NG0OI on line 4 Warning: fopen(http://www.example.com/redirecting_page.php): failed to open stream: php_network_getaddresses: getaddrinfo failed: Name or service not known in /in/NG0OI on line 4 Warning: stream_get_meta_data() expects parameter 1 to be resource, boolean given in /in/NG0OI on line 6 Warning: Invalid argument supplied for foreach() in /in/NG0OI on line 11