--TEST-- Test array_diff_ukey() function : usage variation - Passing unexpected values to second argument --FILE-- 5, 'blue' => 6, 'yellow' => 7, 'cyan' => 8); $array3 = array('blue' => 1, 'red' => 2, 'green' => 3, 'purple' => 4); //Initialize key_comp_func of type callback function key_compare_func($key1, $key2) { if ($key1 == $key2) { return 0; } return ($key1 > $key2)? 1:-1; } //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 = << 0, 'int 1' => 1, 'int 12345' => 12345, 'int -12345' => -2345, // 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' => $fp, ); // loop through each element of the array for arr2 foreach($inputs as $key =>$value) { echo "\n--$key--\n"; var_dump( array_diff_ukey($array1, $value, 'key_compare_func') ); var_dump( array_diff_ukey($array1, $value, $array3, 'key_compare_func') ); }; fclose($fp); ?> ===DONE=== --EXPECTF-- *** Testing array_diff_ukey() : usage variation *** --int 0-- Warning: array_diff_ukey(): Expected parameter 2 to be an array, int given in %s on line %d NULL Warning: array_diff_ukey(): Expected parameter 2 to be an array, int given in %s on line %d NULL --int 1-- Warning: array_diff_ukey(): Expected parameter 2 to be an array, int given in %s on line %d NULL Warning: array_diff_ukey(): Expected parameter 2 to be an array, int given in %s on line %d NULL --int 12345-- Warning: array_diff_ukey(): Expected parameter 2 to be an array, int given in %s on line %d NULL Warning: array_diff_ukey(): Expected parameter 2 to be an array, int given in %s on line %d NULL --int -12345-- Warning: array_diff_ukey(): Expected parameter 2 to be an array, int given in %s on line %d NULL Warning: array_diff_ukey(): Expected parameter 2 to be an array, int given in %s on line %d NULL --float 10.5-- Warning: array_diff_ukey(): Expected parameter 2 to be an array, float given in %s on line %d NULL Warning: array_diff_ukey(): Expected parameter 2 to be an array, float given in %s on line %d NULL --float -10.5-- Warning: array_diff_ukey(): Expected parameter 2 to be an array, float given in %s on line %d NULL Warning: array_diff_ukey(): Expected parameter 2 to be an array, float given in %s on line %d NULL --float 12.3456789000e10-- Warning: array_diff_ukey(): Expected parameter 2 to be an array, float given in %s on line %d NULL Warning: array_diff_ukey(): Expected parameter 2 to be an array, float given in %s on line %d NULL --float -12.3456789000e10-- Warning: array_diff_ukey(): Expected parameter 2 to be an array, float given in %s on line %d NULL Warning: array_diff_ukey(): Expected parameter 2 to be an array, float given in %s on line %d NULL --float .5-- Warning: array_diff_ukey(): Expected parameter 2 to be an array, float given in %s on line %d NULL Warning: array_diff_ukey(): Expected parameter 2 to be an array, float given in %s on line %d NULL --uppercase NULL-- Warning: array_diff_ukey(): Expected parameter 2 to be an array, null given in %s on line %d NULL Warning: array_diff_ukey(): Expected parameter 2 to be an array, null given in %s on line %d NULL --lowercase null-- Warning: array_diff_ukey(): Expected parameter 2 to be an array, null given in %s on line %d NULL Warning: array_diff_ukey(): Expected parameter 2 to be an array, null given in %s on line %d NULL --lowercase true-- Warning: array_diff_ukey(): Expected parameter 2 to be an array, bool given in %s on line %d NULL Warning: array_diff_ukey(): Expected parameter 2 to be an array, bool given in %s on line %d NULL --lowercase false-- Warning: array_diff_ukey(): Expected parameter 2 to be an array, bool given in %s on line %d NULL Warning: array_diff_ukey(): Expected parameter 2 to be an array, bool given in %s on line %d NULL --uppercase TRUE-- Warning: array_diff_ukey(): Expected parameter 2 to be an array, bool given in %s on line %d NULL Warning: array_diff_ukey(): Expected parameter 2 to be an array, bool given in %s on line %d NULL --uppercase FALSE-- Warning: array_diff_ukey(): Expected parameter 2 to be an array, bool given in %s on line %d NULL Warning: array_diff_ukey(): Expected parameter 2 to be an array, bool given in %s on line %d NULL --empty string DQ-- Warning: array_diff_ukey(): Expected parameter 2 to be an array, string given in %s on line %d NULL Warning: array_diff_ukey(): Expected parameter 2 to be an array, string given in %s on line %d NULL --empty string SQ-- Warning: array_diff_ukey(): Expected parameter 2 to be an array, string given in %s on line %d NULL Warning: array_diff_ukey(): Expected parameter 2 to be an array, string given in %s on line %d NULL --string DQ-- Warning: array_diff_ukey(): Expected parameter 2 to be an array, string given in %s on line %d NULL Warning: array_diff_ukey(): Expected parameter 2 to be an array, string given in %s on line %d NULL --string SQ-- Warning: array_diff_ukey(): Expected parameter 2 to be an array, string given in %s on line %d NULL Warning: array_diff_ukey(): Expected parameter 2 to be an array, string given in %s on line %d NULL --mixed case string-- Warning: array_diff_ukey(): Expected parameter 2 to be an array, string given in %s on line %d NULL Warning: array_diff_ukey(): Expected parameter 2 to be an array, string given in %s on line %d NULL --heredoc-- Warning: array_diff_ukey(): Expected parameter 2 to be an array, string given in %s on line %d NULL Warning: array_diff_ukey(): Expected parameter 2 to be an array, string given in %s on line %d NULL --instance of classWithToString-- Warning: array_diff_ukey(): Expected parameter 2 to be an array, object given in %s on line %d NULL Warning: array_diff_ukey(): Expected parameter 2 to be an array, object given in %s on line %d NULL --instance of classWithoutToString-- Warning: array_diff_ukey(): Expected parameter 2 to be an array, object given in %s on line %d NULL Warning: array_diff_ukey(): Expected parameter 2 to be an array, object given in %s on line %d NULL --undefined var-- Warning: array_diff_ukey(): Expected parameter 2 to be an array, null given in %s on line %d NULL Warning: array_diff_ukey(): Expected parameter 2 to be an array, null given in %s on line %d NULL --unset var-- Warning: array_diff_ukey(): Expected parameter 2 to be an array, null given in %s on line %d NULL Warning: array_diff_ukey(): Expected parameter 2 to be an array, null given in %s on line %d NULL --resource-- Warning: array_diff_ukey(): Expected parameter 2 to be an array, resource given in %s on line %d NULL Warning: array_diff_ukey(): Expected parameter 2 to be an array, resource given in %s on line %d NULL ===DONE===