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<?php class O extends ArrayObject { public function offsetSet($k, $v): void { var_dump(__METHOD__); } } $o = new O(); $o[] = 1; var_dump($o);
Output for rfc.property-hooks, git.master_jit, git.master
string(12) "O::offsetSet" object(O)#1 (1) { ["storage":"ArrayObject":private]=> array(0) { } }

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