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<?php function strInArray($haystack, $needle) { $i = 0; foreach ($haystack as $value) { $result = stripos($value,$needle); if ($result !== FALSE) return TRUE; $i++; } return FALSE; } $array = array(12,43,66,21,56,43,43,78,78,100,43,43,43,21); for ($i = 0; $i < count($array); $i++) { if (strInArray($array,$array[$i])) { unset($array[$i]); } } var_dump($array);
Output for git.master, git.master_jit, rfc.property-hooks
array(7) { [7]=> int(78) [8]=> int(78) [9]=> int(100) [10]=> int(43) [11]=> int(43) [12]=> int(43) [13]=> int(21) }

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