3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 5; $b = 10; function mytest() { global $a, $b; $b = $a + $b mytest(); echo $b; ?>
Output for 5.4.0 - 5.4.8
Parse error: syntax error, unexpected 'mytest' (T_STRING) in RAurB on line 11
Process exited with code 255.
Output for 5.3.0 - 5.3.18
Parse error: syntax error, unexpected T_STRING in RAurB on line 11
Process exited with code 255.
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174.35 ms | 1395 KiB | 35 Q