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run code in 200+ php & hhvm versions
Bugs & Features
<?php namespace foo; $foo = function (&$arg) { var_dump($arg); }; $a = 'bar'; $b =& $a; $x = "call_user_func_array"; $x($foo, [$b]); \call_user_func_array($foo, [$b]);
based on eN3Ml
Output for 7.1.0 - 7.2.0
Warning: Parameter 1 to foo\{closure}() expected to be a reference, value given in /in/uMI9v on line 13 string(3) "bar" Warning: Parameter 1 to foo\{closure}() expected to be a reference, value given in /in/uMI9v on line 14 string(3) "bar"
Output for 7.0.0 - 7.0.20
Warning: Parameter 1 to foo\{closure}() expected to be a reference, value given in /in/uMI9v on line 13 Warning: Parameter 1 to foo\{closure}() expected to be a reference, value given in /in/uMI9v on line 14
Output for 5.4.0 - 5.6.28
string(3) "bar" string(3) "bar"
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/uMI9v on line 13
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_STRING in /in/uMI9v on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_STRING in /in/uMI9v on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/uMI9v on line 3
Process exited with code 255.