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<?php $x['a']['b']['c']['d']['e']='y'; $x['aaa']='FirstLevel'; $x['a']['_parent'] = &$x; $x['a']['b']['_parent'] = &$x['a']; $x['a']['b']['c']['_parent'] = &$x['a']['b']; $x['a']['b']['c']['d']['_parent'] = &$x['a']['b']['c']; print_r($x);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [a] => Array ( [b] => Array ( [c] => Array ( [d] => Array ( [e] => y [_parent] => Array *RECURSION* ) [_parent] => Array *RECURSION* ) [_parent] => Array *RECURSION* ) [_parent] => Array *RECURSION* ) [aaa] => FirstLevel )

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