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--TEST-- Test array_walk_recursive() --FILE-- <?php function foo($value) { echo $value . " foo\n"; } function bar($value) { echo $value . " bar\n"; } $arr = array (1,2,3); var_dump (array_walk_recursive ($arr, 'foo')); var_dump (array_walk_recursive ($arr, 'bar')); ?> --EXPECT-- 1 foo 2 foo 3 foo bool(true) 1 bar 2 bar 3 bar bool(true)