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<?php $a = function($b) { print "$b\n"; }; $a('lulz'); $b['lulz'] = $a; $b['lulz']('more lulz'); class Lulz { } $d = new Lulz(); $d->do = $a; $d->do('nope'); call_user_func_array(array($d, 'do'), array('nope')); $c = new stdclass(); $c->do = $a; $c->do('nope'); call_user_func_array(array($c, 'do'), array('nope'));
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
lulz more lulz Deprecated: Creation of dynamic property Lulz::$do is deprecated in /in/VWlfi on line 12 Fatal error: Uncaught Error: Call to undefined method Lulz::do() in /in/VWlfi:13 Stack trace: #0 {main} thrown in /in/VWlfi on line 13
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
lulz more lulz Fatal error: Uncaught Error: Call to undefined method Lulz::do() in /in/VWlfi:13 Stack trace: #0 {main} thrown in /in/VWlfi on line 13
Process exited with code 255.
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28
lulz more lulz Fatal error: Call to undefined method Lulz::do() in /in/VWlfi on line 13
Process exited with code 255.
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/VWlfi 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/VWlfi on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/VWlfi on line 3
Process exited with code 255.

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