--TEST-- Test array_search() function : usage variations - different haystack values --FILE-- 'd', 3, ".001" =>-67, "-.051" =>"k", 0.091 =>"-.08", "e" =>"5", "y" =>NULL, NULL =>"", 0, TRUE, FALSE, -27.39999999999, " ", "abcd\x00abcd\x00\abcd\x00abcdefghij", "abcd\nabcd\tabcd\rabcd\0abcd" ); $array_type = array(TRUE, FALSE, 1, 0, -1, "1", "0", "-1", NULL, array(), "PHP", ""); /* loop to do loose and strict type check of elements in $array_type on elements in $misc_array using array_search(); checking PHP type comparison tables */ $counter = 1; foreach($array_type as $type) { echo "-- Iteration $counter --\n"; //loose type checking var_dump( array_search($type,$misc_array ) ); //strict type checking var_dump( array_search($type,$misc_array,true) ); //loose type checking var_dump( array_search($type,$misc_array,false) ); $counter++; } echo "Done\n"; ?> --EXPECTF-- *** Testing array_search() with different haystack values *** -- Iteration 1 -- int(0) int(3) int(0) -- Iteration 2 -- string(1) "y" int(4) string(1) "y" -- Iteration 3 -- int(3) bool(false) int(3) -- Iteration 4 -- string(3) "key" int(2) string(3) "key" -- Iteration 5 -- int(3) bool(false) int(3) -- Iteration 6 -- int(3) bool(false) int(3) -- Iteration 7 -- int(2) bool(false) int(2) -- Iteration 8 -- int(3) bool(false) int(3) -- Iteration 9 -- string(1) "y" string(1) "y" string(1) "y" -- Iteration 10 -- string(1) "y" bool(false) string(1) "y" -- Iteration 11 -- int(2) bool(false) int(2) -- Iteration 12 -- string(1) "y" string(0) "" string(1) "y" Done