3v4l.org

run code in 300+ PHP versions simultaneously
<?php function a(&$a) { } $b = 3; a(&3);
Output for 5.4.18 - 5.4.19
Parse error: syntax error, unexpected '3' (T_LNUMBER) in /in/qQDPC on line 5
Process exited with code 255.
Output for 5.4.0 - 5.4.17
Parse error: syntax error, unexpected '3' (T_LNUMBER) in /in/TtqP9 on line 5
Process exited with code 255.
Output for 5.3.0 - 5.3.27
Parse error: syntax error, unexpected T_LNUMBER in /in/TtqP9 on line 5
Process exited with code 255.
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174.49 ms | 1395 KiB | 55 Q