--TEST-- Test reset() function : usage variations - Pass different data types as $array_arg arg. --FILE-- <?php /* Prototype : mixed reset(array $array_arg) * Description: Set array argument's internal pointer to the first element and return it * Source code: ext/standard/array.c */ /* * Pass different data types as $array_arg argument to reset() to test behaviour */ echo "*** Testing reset() : usage variations ***\n"; //get an unset variable $unset_var = 10; unset ($unset_var); // get a class class classA { public function __toString() { return "Class A object"; } } // heredoc string $heredoc = <<<EOT hello world EOT; // get a resource variable $fp = fopen(__FILE__, "r"); // unexpected values to be passed to $array_arg argument $inputs = array( // int data /*1*/ 0, 1, 12345, -2345, // float data /*5*/ 10.5, -10.5, 12.3456789000e10, 12.3456789000E-10, .5, // null data /*10*/ NULL, null, // boolean data /*12*/ true, false, TRUE, FALSE, // empty data /*16*/ "", '', array(), // string data /*19*/ "string", 'string', $heredoc, // object data /*22*/ new classA(), // undefined data /*23*/ @$undefined_var, // unset data /*24*/ @$unset_var, // resource variable /*25*/ $fp ); // loop through each element of $inputs to check the behavior of reset() $iterator = 1; foreach($inputs as $input) { echo "\n-- Iteration $iterator --\n"; var_dump( reset($input) ); $iterator++; }; fclose($fp); ?> ===DONE=== --EXPECTF-- *** Testing reset() : usage variations *** -- Iteration 1 -- Warning: reset() expects parameter 1 to be array, integer given in %s on line %d NULL -- Iteration 2 -- Warning: reset() expects parameter 1 to be array, integer given in %s on line %d NULL -- Iteration 3 -- Warning: reset() expects parameter 1 to be array, integer given in %s on line %d NULL -- Iteration 4 -- Warning: reset() expects parameter 1 to be array, integer given in %s on line %d NULL -- Iteration 5 -- Warning: reset() expects parameter 1 to be array, double given in %s on line %d NULL -- Iteration 6 -- Warning: reset() expects parameter 1 to be array, double given in %s on line %d NULL -- Iteration 7 -- Warning: reset() expects parameter 1 to be array, double given in %s on line %d NULL -- Iteration 8 -- Warning: reset() expects parameter 1 to be array, double given in %s on line %d NULL -- Iteration 9 -- Warning: reset() expects parameter 1 to be array, double given in %s on line %d NULL -- Iteration 10 -- Warning: reset() expects parameter 1 to be array, null given in %s on line %d NULL -- Iteration 11 -- Warning: reset() expects parameter 1 to be array, null given in %s on line %d NULL -- Iteration 12 -- Warning: reset() expects parameter 1 to be array, boolean given in %s on line %d NULL -- Iteration 13 -- Warning: reset() expects parameter 1 to be array, boolean given in %s on line %d NULL -- Iteration 14 -- Warning: reset() expects parameter 1 to be array, boolean given in %s on line %d NULL -- Iteration 15 -- Warning: reset() expects parameter 1 to be array, boolean given in %s on line %d NULL -- Iteration 16 -- Warning: reset() expects parameter 1 to be array, string given in %s on line %d NULL -- Iteration 17 -- Warning: reset() expects parameter 1 to be array, string given in %s on line %d NULL -- Iteration 18 -- bool(false) -- Iteration 19 -- Warning: reset() expects parameter 1 to be array, string given in %s on line %d NULL -- Iteration 20 -- Warning: reset() expects parameter 1 to be array, string given in %s on line %d NULL -- Iteration 21 -- Warning: reset() expects parameter 1 to be array, string given in %s on line %d NULL -- Iteration 22 -- Warning: reset() expects parameter 1 to be array, object given in %s on line %d NULL -- Iteration 23 -- Warning: reset() expects parameter 1 to be array, null given in %s on line %d NULL -- Iteration 24 -- Warning: reset() expects parameter 1 to be array, null given in %s on line %d NULL -- Iteration 25 -- Warning: reset() expects parameter 1 to be array, resource given in %s on line %d NULL ===DONE===