3v4l.org

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<?php old_function Sum $a,$b,$c ( return($a+$b+$c); ); echo Sum(1, 2, 3);
Output for 5.0.0
Parse error: parse error, unexpected T_STRING in /in/c47Qt on line 3
Process exited with code 255.
Output for 4.3.11, 4.4.9
6
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162.84 ms | 996 KiB | 7 Q