3v4l.org

run code in 300+ PHP versions simultaneously
<?php $length = 32; $bytes = openssl_random_pseudo_bytes($length * 2); echo substr(str_replace(array('/', '+', '='), '', base64_encode($bytes)), 0, $length)
Output for 5.4.0 - 5.4.25, 5.5.0 - 5.5.9
Parse error: syntax error, unexpected end of file, expecting ',' or ';' in /in/6vTQU on line 4
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected $end, expecting ',' or ';' in /in/6vTQU on line 4
Process exited with code 255.
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196.04 ms | 1395 KiB | 72 Q