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<?php $in=array(1=>'a', 2=>'b', 3=>array('aa', 'bb')); $in[3]['cc']=&$in[3]; var_export($in);
Output for git.master, git.master_jit, rfc.property-hooks
Warning: var_export does not handle circular references in /in/gmD6r on line 5 array ( 1 => 'a', 2 => 'b', 3 => array ( 0 => 'aa', 1 => 'bb', 'cc' => NULL, ), )

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