note 116518 added to function.array-search

$array = ['a', 'b', 'c']; $key = array_search('a', $array); //$key = 0 if ($key) { //even a element is found in array, but if (0) means false //... } //the correct way if (false !== $key) { //.... } It's what the document stated "may also return a non-Boolean value which evaluates to FALSE." ---- Server IP: 72.52.91.14 Probable Submitter: 92.29.4.233 ---- Manual Page -- http://php.net/manual/en/function.array-search.php Edit -- https://master.php.net/note/edit/116518 Del: integrated -- https://master.php.net/note/delete/116518/integrated Del: useless -- https://master.php.net/note/delete/116518/useless Del: bad code -- https://master.php.net/note/delete/116518/bad+code Del: spam -- https://master.php.net/note/delete/116518/spam Del: non-english -- https://master.php.net/note/delete/116518/non-english Del: in docs -- https://master.php.net/note/delete/116518/in+docs Del: other reasons-- https://master.php.net/note/delete/116518 Reject -- https://master.php.net/note/reject/116518 Search -- https://master.php.net/manage/user-notes.php