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<?php $options = array(true, 'foo', 100, false); array_walk($options, function(&$val) { $val = (is_bool($val)) ? ( ($val) ? 'true' : 'false' ) : $val; }); var_dump($options);
Output for git.master, git.master_jit, rfc.property-hooks
array(4) { [0]=> string(4) "true" [1]=> string(3) "foo" [2]=> int(100) [3]=> string(5) "false" }

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