3v4l.org

run code in 300+ PHP versions simultaneously
<?php set_time_limit(0); error_reporting (E_ALL ^ E_NOTICE); $url = "http://www.google.com"; $chars = array(0); $_ = fopen("codes.txt","w"); foreach ($chars as $a) { foreach ($chars as $b) { foreach ($chars as $c) { foreach ($chars as $d) { fwrite($_, "GOOGLE".$a.$b.$c.$d); $__ = curl_init($url.$a.$b.$c.$d); echo $__; curl_setopt($__, CURLOPT_HEADER, 1); curl_setopt($__, CURLOPT_NOBODY, 1); curl_setopt($__, CURLOPT_RETURNTRANSFER, 1); curl_exec($__); fwrite($_, " ".curl_getinfo($__, CURLINFO_CONTENT_LENGTH_DOWNLOAD)); echo curl_getinfo($__, CURLINFO_CONTENT_LENGTH_DOWNLOAD); fwrite($_, "\n"); } } } } fclose($_);

preferences:
52.73 ms | 402 KiB | 5 Q