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<?php $string = "car apple computer car"; $string2 = "car apple computer"; function hasSameWords($string) { $array = explode(' ', $string); $count = count($array); $unique = array_unique($array); $uniqueCount = count($unique); return $uniqueCount < $count; } echo hasSameWords($string) ? 'true' : 'false'; echo hasSameWords($string2) ? 'true' : 'false';
Output for git.master, git.master_jit, rfc.property-hooks
truefalse

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