1--TEST-- 2Test rsort() function : basic functionality 3--FILE-- 4<?php 5/* Prototype : bool rsort(array &$array_arg [, int $sort_flags]) 6 * Description: Sort an array in reverse order 7 * Source code: ext/standard/array.c 8 */ 9 10/* 11 * Test basic functionality of rsort() 12 */ 13 14echo "*** Testing rsort() : basic functionality ***\n"; 15 16// associative array containing unsorted string values 17$unsorted_strings = array( "l" => "lemon", "o" => "orange", "b" => "banana" ); 18 19// array with default keys containing unsorted numeric values 20$unsorted_numerics = array( 100, 33, 555, 22 ); 21 22echo "\n-- Testing rsort() by supplying string array, 'flag' value is defualt --\n"; 23$temp_array = $unsorted_strings; 24var_dump( rsort($temp_array) ); 25var_dump( $temp_array); 26 27echo "\n-- Testing rsort() by supplying numeric array, 'flag' value is defualt --\n"; 28$temp_array = $unsorted_numerics; 29var_dump( rsort($temp_array) ); 30var_dump( $temp_array); 31 32echo "\n-- Testing rsort() by supplying string array, 'flag' = SORT_REGULAR --\n"; 33$temp_array = $unsorted_strings; 34var_dump( rsort($temp_array, SORT_REGULAR) ); 35var_dump( $temp_array); 36 37echo "\n-- Testing rsort() by supplying numeric array, 'flag' = SORT_REGULAR --\n"; 38$temp_array = $unsorted_numerics; 39var_dump( rsort($temp_array, SORT_REGULAR) ); 40var_dump( $temp_array); 41 42echo "\n-- Testing rsort() by supplying string array, 'flag' = SORT_STRING --\n"; 43$temp_array = $unsorted_strings; 44var_dump( rsort($temp_array, SORT_STRING) ); 45var_dump( $temp_array); 46 47echo "\n-- Testing rsort() by supplying numeric array, 'flag' = SORT_NUMERIC --\n"; 48$temp_array = $unsorted_numerics; 49var_dump( rsort($temp_array, SORT_NUMERIC) ); 50var_dump( $temp_array); 51 52echo "Done"; 53?> 54 55--EXPECTF-- 56*** Testing rsort() : basic functionality *** 57 58-- Testing rsort() by supplying string array, 'flag' value is defualt -- 59bool(true) 60array(3) { 61 [0]=> 62 string(6) "orange" 63 [1]=> 64 string(5) "lemon" 65 [2]=> 66 string(6) "banana" 67} 68 69-- Testing rsort() by supplying numeric array, 'flag' value is defualt -- 70bool(true) 71array(4) { 72 [0]=> 73 int(555) 74 [1]=> 75 int(100) 76 [2]=> 77 int(33) 78 [3]=> 79 int(22) 80} 81 82-- Testing rsort() by supplying string array, 'flag' = SORT_REGULAR -- 83bool(true) 84array(3) { 85 [0]=> 86 string(6) "orange" 87 [1]=> 88 string(5) "lemon" 89 [2]=> 90 string(6) "banana" 91} 92 93-- Testing rsort() by supplying numeric array, 'flag' = SORT_REGULAR -- 94bool(true) 95array(4) { 96 [0]=> 97 int(555) 98 [1]=> 99 int(100) 100 [2]=> 101 int(33) 102 [3]=> 103 int(22) 104} 105 106-- Testing rsort() by supplying string array, 'flag' = SORT_STRING -- 107bool(true) 108array(3) { 109 [0]=> 110 string(6) "orange" 111 [1]=> 112 string(5) "lemon" 113 [2]=> 114 string(6) "banana" 115} 116 117-- Testing rsort() by supplying numeric array, 'flag' = SORT_NUMERIC -- 118bool(true) 119array(4) { 120 [0]=> 121 int(555) 122 [1]=> 123 int(100) 124 [2]=> 125 int(33) 126 [3]=> 127 int(22) 128} 129Done