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<?php $string ='華中六街'; var_dump($without = preg_split('/\s+/', $string)); var_dump($with = preg_split('/\s+/u', $string)); var_dump($with == $without); $string ='華中 六街'; var_dump($without = preg_split('/\s+/', $string)); var_dump($with = preg_split('/\s+/u', $string)); var_dump($with == $without);
Output for git.master, git.master_jit, rfc.property-hooks
array(1) { [0]=> string(12) "華中六街" } array(1) { [0]=> string(12) "華中六街" } bool(true) array(2) { [0]=> string(6) "華中" [1]=> string(6) "六街" } array(2) { [0]=> string(6) "華中" [1]=> string(6) "六街" } bool(true)

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