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<?php function appendZ($array) { $array[0] .= 'z'; $array[1] .= 'z'; $array[2] .= 'z'; $array[3] .= 'z'; } $a = ['a', 'b', 'c', 'd']; $v = &$a[2]; appendZ($a); print_r($a);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => a [1] => b [2] => cz [3] => d )

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