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<?php $o = new stdClass(); $b = 'a'; $o->a = array ( 'foo' => 1, 'bar' => 2 ); $r = &$o->$b; unset($r['foo']); var_dump($o);
Output for git.master, git.master_jit, rfc.property-hooks
object(stdClass)#1 (1) { ["a"]=> &array(1) { ["bar"]=> int(2) } }

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