3v4l.org

run code in 300+ PHP versions simultaneously
<?php print "ssh -p ".escapeshellarg("22"23"). " uptime";
Output for 5.4.0 - 5.4.13
Parse error: syntax error, unexpected '23' (T_LNUMBER) in /in/rd90h on line 2
Process exited with code 255.
Output for 5.3.0 - 5.3.23
Parse error: syntax error, unexpected T_LNUMBER in /in/rd90h on line 2
Process exited with code 255.

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