3v4l.org

run code in 300+ PHP versions simultaneously
<?php function byref_function(&$a, &b) { } $array = array(1, 2); call_user_func_array(byref_function, $array);
Output for 5.4.0 - 5.4.28
Parse error: syntax error, unexpected 'b' (T_STRING), expecting variable (T_VARIABLE) in /in/FAQa6 on line 3
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected T_STRING, expecting T_VARIABLE in /in/FAQa6 on line 3
Process exited with code 255.
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187.26 ms | 1395 KiB | 65 Q