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<?php $arr = array(1); $a =& $arr[0]; //$a and $arr[0] are in the same reference set $arr2 = $arr; //not an assignment-by-reference! $arr2[0]++; var_export($a); echo '<br/>'; var_export($arr); echo '<br/>'; var_export($arr2);
Output for git.master, git.master_jit, rfc.property-hooks
2<br/>array ( 0 => 2, )<br/>array ( 0 => 2, )

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