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--TEST-- Test asort() function : usage variations - unexpected values for 'sort_flags' argument --FILE-- <?php /* Prototype : proto bool asort(array &array_arg [, int sort_flags]) * Description: Sort an array and maintain index association Elements will be arranged from lowest to highest when this function has completed. * Source code: ext/standard/array.c */ /* * Testing asort() by providing different unexpected values for flag argument */ echo "*** Testing asort() : usage variations ***\n"; //get an unset variable $unset_var = 10; unset ($unset_var); // resource variable $fp = fopen(__FILE__, "r"); // temperory array for checking unexpected behavior $unsorted_values = array(1 => 10, 2 => 2, 3 => 45); //array of values to iterate over $unexpected_values = array( // int data /*1*/ -2345, // float data /*2*/ 10.5, -10.5, 10.5e2, 10.6E-2, .5, // null data /*7*/ NULL, null, // boolean data /*9*/ true, false, TRUE, FALSE, // empty data /*13*/ "", '', // string data /*15*/ "string", 'string', // object data /*16*/ new stdclass(), // undefined data /*17*/ @undefined_var, // unset data /*18*/ @unset_var, // resource variable /*19*/ $fp ); // loop though each element of the array and check the working of asort() // when $flag argument is supplied with different values from $unexpected_values echo "\n-- Testing asort() by supplying different unexpected values for 'sort_flags' argument --\n"; $counter = 1; for($index = 0; $index < count($unexpected_values); $index ++) { echo "-- Iteration $counter --\n"; $value = $unexpected_values [$index]; $temp_array = $unsorted_values; var_dump( asort($temp_array, $value) ); var_dump($temp_array); $counter++; } echo "Done"; ?> --EXPECTF-- *** Testing asort() : usage variations *** -- Testing asort() by supplying different unexpected values for 'sort_flags' argument -- -- Iteration 1 -- bool(true) array(3) { [2]=> int(2) [1]=> int(10) [3]=> int(45) } -- Iteration 2 -- bool(true) array(3) { [1]=> int(10) [2]=> int(2) [3]=> int(45) } -- Iteration 3 -- bool(true) array(3) { [2]=> int(2) [1]=> int(10) [3]=> int(45) } -- Iteration 4 -- bool(true) array(3) { [2]=> int(2) [1]=> int(10) [3]=> int(45) } -- Iteration 5 -- bool(true) array(3) { [2]=> int(2) [1]=> int(10) [3]=> int(45) } -- Iteration 6 -- bool(true) array(3) { [2]=> int(2) [1]=> int(10) [3]=> int(45) } -- Iteration 7 -- bool(true) array(3) { [2]=> int(2) [1]=> int(10) [3]=> int(45) } -- Iteration 8 -- bool(true) array(3) { [2]=> int(2) [1]=> int(10) [3]=> int(45) } -- Iteration 9 -- bool(true) array(3) { [2]=> int(2) [1]=> int(10) [3]=> int(45) } -- Iteration 10 -- bool(true) array(3) { [2]=> int(2) [1]=> int(10) [3]=> int(45) } -- Iteration 11 -- bool(true) array(3) { [2]=> int(2) [1]=> int(10) [3]=> int(45) } -- Iteration 12 -- bool(true) array(3) { [2]=> int(2) [1]=> int(10) [3]=> int(45) } -- Iteration 13 -- Warning: asort() expects parameter 2 to be long, string given in %s on line %d bool(false) array(3) { [1]=> int(10) [2]=> int(2) [3]=> int(45) } -- Iteration 14 -- Warning: asort() expects parameter 2 to be long, string given in %s on line %d bool(false) array(3) { [1]=> int(10) [2]=> int(2) [3]=> int(45) } -- Iteration 15 -- Warning: asort() expects parameter 2 to be long, string given in %s on line %d bool(false) array(3) { [1]=> int(10) [2]=> int(2) [3]=> int(45) } -- Iteration 16 -- Warning: asort() expects parameter 2 to be long, string given in %s on line %d bool(false) array(3) { [1]=> int(10) [2]=> int(2) [3]=> int(45) } -- Iteration 17 -- Warning: asort() expects parameter 2 to be long, object given in %s on line %d bool(false) array(3) { [1]=> int(10) [2]=> int(2) [3]=> int(45) } -- Iteration 18 -- Warning: asort() expects parameter 2 to be long, string given in %s on line %d bool(false) array(3) { [1]=> int(10) [2]=> int(2) [3]=> int(45) } -- Iteration 19 -- Warning: asort() expects parameter 2 to be long, string given in %s on line %d bool(false) array(3) { [1]=> int(10) [2]=> int(2) [3]=> int(45) } -- Iteration 20 -- Warning: asort() expects parameter 2 to be long, resource given in %s on line %d bool(false) array(3) { [1]=> int(10) [2]=> int(2) [3]=> int(45) } Done