3v4l.org

run code in 300+ PHP versions simultaneously
<?php $fp = fsockopen ("slashdot.org", 80); if ($fp) { fwrite($fp, "GET / HTTP/1.1\r\nHOST: slashdot.org\r\n\r\n"); while (!feof($fp)) { print fread($fp,256); } fclose ($fp); } else { print "Fatal error\n"; }

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47.2 ms | 402 KiB | 5 Q