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<?php $a = array(1, 2, 3, 4, 5 ); $step = 2; function myfunc($value, $key) { global $step; if ($value == $step) echo '$ '; echo "$value "; } array_walk_recursive($a, 'myfunc');
Output for git.master, git.master_jit, rfc.property-hooks
1 $ 2 3 4 5

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