3v4l.org

run code in 300+ PHP versions simultaneously
<?php $v = 42; func f(&$param) { $param = 0; } call_user_func_array('f', array(&$v)); echo $v;
Output for 5.4.0 - 5.4.13
Parse error: syntax error, unexpected 'f' (T_STRING) in /in/lGNoW on line 4
Process exited with code 255.
Output for 5.3.0 - 5.3.23
Parse error: syntax error, unexpected T_STRING in /in/lGNoW on line 4
Process exited with code 255.
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166.31 ms | 1395 KiB | 45 Q