--TEST-- Test array_intersect_key() function : usage variation - Passing unexpected values to second argument --FILE-- 1, 'red' => 2, 'green' => 3, 'purple' => 4); $array3 = array('green' => 5, 'blue' => 6, 'yellow' => 7, 'cyan' => 8); //get an unset variable $unset_var = 10; unset ($unset_var); //resource variable $fp = fopen(__FILE__, "r"); // define some classes class classWithToString { public function __toString() { return "Class A object"; } } class classWithoutToString { } // heredoc string $heredoc = << 1, 'two' => 2); //array of values to iterate over $inputs = array( // int data 'int 0' => 0, 'int 1' => 1, 'int 12345' => 12345, 'int -12345' => -12345, // float data 'float 10.5' => 10.5, 'float -10.5' => -10.5, 'float 12.3456789000e10' => 12.3456789000e10, 'float -12.3456789000e10' => -12.3456789000e10, 'float .5' => .5, // null data 'uppercase NULL' => NULL, 'lowercase null' => null, // boolean data 'lowercase true' => true, 'lowercase false' =>false, 'uppercase TRUE' =>TRUE, 'uppercase FALSE' =>FALSE, // empty data 'empty string DQ' => "", 'empty string SQ' => '', // string data 'string DQ' => "string", 'string SQ' => 'string', 'mixed case string' => "sTrInG", 'heredoc' => $heredoc, // object data 'instance of classWithToString' => new classWithToString(), 'instance of classWithoutToString' => new classWithoutToString(), // undefined data 'undefined var' => @$undefined_var, // unset data 'unset var' => @$unset_var, // resource data 'resource var' => $fp, ); // loop through each element of the array for array2 foreach($inputs as $key =>$value) { echo "\n--$key--\n"; try { var_dump( array_intersect_key($array1, $value) ); } catch (TypeError $e) { echo $e->getMessage(), "\n"; } try { var_dump( array_intersect_key($array1, $value, $array3) ); } catch (TypeError $e) { echo $e->getMessage(), "\n"; } } fclose($fp); ?> --EXPECT-- *** Testing array_intersect_key() : usage variation *** --int 0-- array_intersect_key(): Argument #2 must be of type array, int given array_intersect_key(): Argument #2 must be of type array, int given --int 1-- array_intersect_key(): Argument #2 must be of type array, int given array_intersect_key(): Argument #2 must be of type array, int given --int 12345-- array_intersect_key(): Argument #2 must be of type array, int given array_intersect_key(): Argument #2 must be of type array, int given --int -12345-- array_intersect_key(): Argument #2 must be of type array, int given array_intersect_key(): Argument #2 must be of type array, int given --float 10.5-- array_intersect_key(): Argument #2 must be of type array, float given array_intersect_key(): Argument #2 must be of type array, float given --float -10.5-- array_intersect_key(): Argument #2 must be of type array, float given array_intersect_key(): Argument #2 must be of type array, float given --float 12.3456789000e10-- array_intersect_key(): Argument #2 must be of type array, float given array_intersect_key(): Argument #2 must be of type array, float given --float -12.3456789000e10-- array_intersect_key(): Argument #2 must be of type array, float given array_intersect_key(): Argument #2 must be of type array, float given --float .5-- array_intersect_key(): Argument #2 must be of type array, float given array_intersect_key(): Argument #2 must be of type array, float given --uppercase NULL-- array_intersect_key(): Argument #2 must be of type array, null given array_intersect_key(): Argument #2 must be of type array, null given --lowercase null-- array_intersect_key(): Argument #2 must be of type array, null given array_intersect_key(): Argument #2 must be of type array, null given --lowercase true-- array_intersect_key(): Argument #2 must be of type array, true given array_intersect_key(): Argument #2 must be of type array, true given --lowercase false-- array_intersect_key(): Argument #2 must be of type array, false given array_intersect_key(): Argument #2 must be of type array, false given --uppercase TRUE-- array_intersect_key(): Argument #2 must be of type array, true given array_intersect_key(): Argument #2 must be of type array, true given --uppercase FALSE-- array_intersect_key(): Argument #2 must be of type array, false given array_intersect_key(): Argument #2 must be of type array, false given --empty string DQ-- array_intersect_key(): Argument #2 must be of type array, string given array_intersect_key(): Argument #2 must be of type array, string given --empty string SQ-- array_intersect_key(): Argument #2 must be of type array, string given array_intersect_key(): Argument #2 must be of type array, string given --string DQ-- array_intersect_key(): Argument #2 must be of type array, string given array_intersect_key(): Argument #2 must be of type array, string given --string SQ-- array_intersect_key(): Argument #2 must be of type array, string given array_intersect_key(): Argument #2 must be of type array, string given --mixed case string-- array_intersect_key(): Argument #2 must be of type array, string given array_intersect_key(): Argument #2 must be of type array, string given --heredoc-- array_intersect_key(): Argument #2 must be of type array, string given array_intersect_key(): Argument #2 must be of type array, string given --instance of classWithToString-- array_intersect_key(): Argument #2 must be of type array, classWithToString given array_intersect_key(): Argument #2 must be of type array, classWithToString given --instance of classWithoutToString-- array_intersect_key(): Argument #2 must be of type array, classWithoutToString given array_intersect_key(): Argument #2 must be of type array, classWithoutToString given --undefined var-- array_intersect_key(): Argument #2 must be of type array, null given array_intersect_key(): Argument #2 must be of type array, null given --unset var-- array_intersect_key(): Argument #2 must be of type array, null given array_intersect_key(): Argument #2 must be of type array, null given --resource var-- array_intersect_key(): Argument #2 must be of type array, resource given array_intersect_key(): Argument #2 must be of type array, resource given