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--TEST-- Test shuffle() function : usage variations - unexpected values for 'array_arg' argument --FILE-- <?php /* Prototype : bool shuffle(array $array_arg) * Description: Randomly shuffle the contents of an array * Source code: ext/standard/array.c */ /* * Test behaviour of shuffle() when unexpected values are passed for 'array_arg' * argument and verify that function outputs required warning messages wherever applicable */ echo "*** Testing shuffle() : with unexpected values for 'array_arg' argument ***\n"; //get an unset variable $unset_var = 10; unset ($unset_var); //get a resource variable $fp = fopen(__FILE__, "r"); //define a class class test { var $t = 10; function __toString() { return "object"; } } //array of values to iterate over $values = array( // int data /*1*/ 0, 1, 12345, -2345, // float data /*5*/ 10.5, -10.5, 12.3456789000e10, 12.3456789000E-10, .5, // null data /*10*/ NULL, null, // boolean data /*12*/ true, false, TRUE, FALSE, // empty data /*16*/ "", '', // string data /*18*/ "string", 'string', // object data /*20*/ new test(), // undefined data /*21*/ @$undefined_var, // unset data /*22*/ @$unset_var, /*23*/ // resource data $fp ); // loop through the array to test shuffle() function // with each element of the array $count = 1; foreach($values as $value) { echo "\n-- Iteration $count --\n"; var_dump( shuffle($value) ); $count++; }; // closing the resource fclose($fp); echo "Done"; ?> --EXPECTF-- *** Testing shuffle() : with unexpected values for 'array_arg' argument *** -- Iteration 1 -- Warning: shuffle() expects parameter 1 to be array, integer given in %s on line %d bool(false) -- Iteration 2 -- Warning: shuffle() expects parameter 1 to be array, integer given in %s on line %d bool(false) -- Iteration 3 -- Warning: shuffle() expects parameter 1 to be array, integer given in %s on line %d bool(false) -- Iteration 4 -- Warning: shuffle() expects parameter 1 to be array, integer given in %s on line %d bool(false) -- Iteration 5 -- Warning: shuffle() expects parameter 1 to be array, double given in %s on line %d bool(false) -- Iteration 6 -- Warning: shuffle() expects parameter 1 to be array, double given in %s on line %d bool(false) -- Iteration 7 -- Warning: shuffle() expects parameter 1 to be array, double given in %s on line %d bool(false) -- Iteration 8 -- Warning: shuffle() expects parameter 1 to be array, double given in %s on line %d bool(false) -- Iteration 9 -- Warning: shuffle() expects parameter 1 to be array, double given in %s on line %d bool(false) -- Iteration 10 -- Warning: shuffle() expects parameter 1 to be array, null given in %s on line %d bool(false) -- Iteration 11 -- Warning: shuffle() expects parameter 1 to be array, null given in %s on line %d bool(false) -- Iteration 12 -- Warning: shuffle() expects parameter 1 to be array, boolean given in %s on line %d bool(false) -- Iteration 13 -- Warning: shuffle() expects parameter 1 to be array, boolean given in %s on line %d bool(false) -- Iteration 14 -- Warning: shuffle() expects parameter 1 to be array, boolean given in %s on line %d bool(false) -- Iteration 15 -- Warning: shuffle() expects parameter 1 to be array, boolean given in %s on line %d bool(false) -- Iteration 16 -- Warning: shuffle() expects parameter 1 to be array, string given in %s on line %d bool(false) -- Iteration 17 -- Warning: shuffle() expects parameter 1 to be array, string given in %s on line %d bool(false) -- Iteration 18 -- Warning: shuffle() expects parameter 1 to be array, string given in %s on line %d bool(false) -- Iteration 19 -- Warning: shuffle() expects parameter 1 to be array, string given in %s on line %d bool(false) -- Iteration 20 -- Warning: shuffle() expects parameter 1 to be array, object given in %s on line %d bool(false) -- Iteration 21 -- Warning: shuffle() expects parameter 1 to be array, null given in %s on line %d bool(false) -- Iteration 22 -- Warning: shuffle() expects parameter 1 to be array, null given in %s on line %d bool(false) -- Iteration 23 -- Warning: shuffle() expects parameter 1 to be array, resource given in %s on line %d bool(false) Done