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<?php $v = array(10, 20); $a = 'v'; $$a[0] = 5; // $v is [5, 20] var_dump($v); $v = array(10, 20); $a = 'v'; ${$a[0]} = 5; // $v is 5 var_dump($v); $v = array(10, 20); $a = 'v'; ${$a}[0] = 5; // $ gets first shot at $a, $v is [5, 20] var_dump($v);
Output for git.master, git.master_jit, rfc.property-hooks
array(2) { [0]=> int(5) [1]=> int(20) } int(5) array(2) { [0]=> int(5) [1]=> int(20) }

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