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<?php function up(&$text) { $text = strtoupper($text); } $array = array("hi", "bye", "how", "bY", array("test", "trial", array("hover"))); array_walk_recursive($array, 'up'); print_r($array); ?>
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => HI [1] => BYE [2] => HOW [3] => BY [4] => Array ( [0] => TEST [1] => TRIAL [2] => Array ( [0] => HOVER ) ) )

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