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<?php $a = function($b) { print "$b\n"; }; $a('lulz'); $b['lulz'] = function($b) { print "$b\n"; }; $b['lulz']('more lulz'); $c = new stdclass(); $c->func = function($b) { print "$b\n"; }; call_user_func_array(array($c, 'func'), array('hahaha nope'));
Output for 8.0.10 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
lulz more lulz Fatal error: Uncaught TypeError: call_user_func_array(): Argument #1 ($callback) must be a valid callback, class stdClass does not have a method "func" in /in/BIN4O:11 Stack trace: #0 {main} thrown in /in/BIN4O on line 11
Process exited with code 255.
Output for 8.0.0 - 8.0.9
lulz more lulz Fatal error: Uncaught TypeError: call_user_func_array(): Argument #1 ($function) must be a valid callback, class stdClass does not have a method "func" in /in/BIN4O:11 Stack trace: #0 {main} thrown in /in/BIN4O on line 11
Process exited with code 255.
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
lulz more lulz Warning: call_user_func_array() expects parameter 1 to be a valid callback, class 'stdClass' does not have a method 'func' in /in/BIN4O on line 11
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/BIN4O on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/BIN4O on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/BIN4O on line 3
Process exited with code 255.

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