3v4l.org

run code in 300+ PHP versions simultaneously
<?php error_reporting(0); $s1 = $_GET[md5($_SERVER['REMOTE_ADDRESS'])]; $s2 = $_GET[md5($_SERVER['HTTP_USER_AGENT'])]; if (md5($1)===hash('md5',$s2) return; if ($var1!=$var2) return; ?>
Output for 5.4.0 - 5.4.27
Parse error: syntax error, unexpected '1' (T_LNUMBER), expecting variable (T_VARIABLE) or '$' in /in/Jnrm8 on line 7
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected T_LNUMBER, expecting T_VARIABLE or '$' in /in/Jnrm8 on line 7
Process exited with code 255.
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188.71 ms | 1399 KiB | 64 Q