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<?php $a = function($b) { print "$b\n"; }; $a('lulz'); $b['lulz'] = $a; $b['lulz']('more lulz'); class Lulz { public $do; function __construct(callable $callable) { $this->do = $callable; } } $d = new Lulz(); $d->do('nope'); call_user_func_array(array($d, 'do'), array('nope')); $c = new stdclass(); $c->do = $a; $c->do('nope'); call_user_func_array(array($c, 'do'), array('nope'));
Output for git.master, git.master_jit, rfc.property-hooks
lulz more lulz Fatal error: Uncaught ArgumentCountError: Too few arguments to function Lulz::__construct(), 0 passed in /in/oGrJE on line 15 and exactly 1 expected in /in/oGrJE:11 Stack trace: #0 /in/oGrJE(15): Lulz->__construct() #1 {main} thrown in /in/oGrJE on line 11
Process exited with code 255.

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