1--TEST-- 2Test asort() function : usage variations - sorting arrays with/without keys, 'sort_flags' as default/SORT_REGULAR 3--FILE-- 4<?php 5/* Prototype : bool asort ( array &$array [, int $sort_flags] ) 6 * Description: Sort an array and maintain index association. 7 Elements will be arranged from lowest to highest when this function has completed. 8 * Source code: ext/standard/array.c 9*/ 10 11/* 12 * Testing asort() by providing arrays with key values for $array argument with following flag values. 13 * 1.flag value as default 14 * 2.SORT_REGULAR - compare items normally 15 */ 16 17echo "*** Testing asort() : usage variations ***\n"; 18 19// list of arrays with/without key values 20$various_arrays = array ( 21 array(5 => 55, 66, 22, 33, 11), 22 array ("a" => "orange", "banana", "c" => "apple"), 23 array(1, 2, 3, 4, 5, 6), 24 array("first", 5 => "second", "third"), 25 array(1, 1, 8 => 1, 4 => 1, 19, 3 => 13), 26 array('bar' => 'baz', "foo" => 1), 27 array('a'=>1,'b'=>array('e'=>2,'f'=>3),'c'=>array('g'=>4),'d'=>5), 28); 29 30$count = 1; 31echo "\n-- Testing asort() by supplying various arrays with key values --\n"; 32 33// loop through to test asort() with different arrays, 34// to test the new keys for the elements in the sorted array 35foreach ($various_arrays as $array) { 36 echo "\n-- Iteration $count --\n"; 37 38 echo "- With default sort_flag -\n"; 39 $temp_array = $array; 40 var_dump(asort($temp_array) ); 41 var_dump($temp_array); 42 43 echo "- Sort_flag = SORT_REGULAR -\n"; 44 $temp_array = $array; 45 var_dump(asort($temp_array, SORT_REGULAR) ); 46 var_dump($temp_array); 47 $count++; 48} 49 50echo "Done\n"; 51?> 52--EXPECT-- 53*** Testing asort() : usage variations *** 54 55-- Testing asort() by supplying various arrays with key values -- 56 57-- Iteration 1 -- 58- With default sort_flag - 59bool(true) 60array(5) { 61 [9]=> 62 int(11) 63 [7]=> 64 int(22) 65 [8]=> 66 int(33) 67 [5]=> 68 int(55) 69 [6]=> 70 int(66) 71} 72- Sort_flag = SORT_REGULAR - 73bool(true) 74array(5) { 75 [9]=> 76 int(11) 77 [7]=> 78 int(22) 79 [8]=> 80 int(33) 81 [5]=> 82 int(55) 83 [6]=> 84 int(66) 85} 86 87-- Iteration 2 -- 88- With default sort_flag - 89bool(true) 90array(3) { 91 ["c"]=> 92 string(5) "apple" 93 [0]=> 94 string(6) "banana" 95 ["a"]=> 96 string(6) "orange" 97} 98- Sort_flag = SORT_REGULAR - 99bool(true) 100array(3) { 101 ["c"]=> 102 string(5) "apple" 103 [0]=> 104 string(6) "banana" 105 ["a"]=> 106 string(6) "orange" 107} 108 109-- Iteration 3 -- 110- With default sort_flag - 111bool(true) 112array(6) { 113 [0]=> 114 int(1) 115 [1]=> 116 int(2) 117 [2]=> 118 int(3) 119 [3]=> 120 int(4) 121 [4]=> 122 int(5) 123 [5]=> 124 int(6) 125} 126- Sort_flag = SORT_REGULAR - 127bool(true) 128array(6) { 129 [0]=> 130 int(1) 131 [1]=> 132 int(2) 133 [2]=> 134 int(3) 135 [3]=> 136 int(4) 137 [4]=> 138 int(5) 139 [5]=> 140 int(6) 141} 142 143-- Iteration 4 -- 144- With default sort_flag - 145bool(true) 146array(3) { 147 [0]=> 148 string(5) "first" 149 [5]=> 150 string(6) "second" 151 [6]=> 152 string(5) "third" 153} 154- Sort_flag = SORT_REGULAR - 155bool(true) 156array(3) { 157 [0]=> 158 string(5) "first" 159 [5]=> 160 string(6) "second" 161 [6]=> 162 string(5) "third" 163} 164 165-- Iteration 5 -- 166- With default sort_flag - 167bool(true) 168array(6) { 169 [0]=> 170 int(1) 171 [1]=> 172 int(1) 173 [8]=> 174 int(1) 175 [4]=> 176 int(1) 177 [3]=> 178 int(13) 179 [9]=> 180 int(19) 181} 182- Sort_flag = SORT_REGULAR - 183bool(true) 184array(6) { 185 [0]=> 186 int(1) 187 [1]=> 188 int(1) 189 [8]=> 190 int(1) 191 [4]=> 192 int(1) 193 [3]=> 194 int(13) 195 [9]=> 196 int(19) 197} 198 199-- Iteration 6 -- 200- With default sort_flag - 201bool(true) 202array(2) { 203 ["bar"]=> 204 string(3) "baz" 205 ["foo"]=> 206 int(1) 207} 208- Sort_flag = SORT_REGULAR - 209bool(true) 210array(2) { 211 ["bar"]=> 212 string(3) "baz" 213 ["foo"]=> 214 int(1) 215} 216 217-- Iteration 7 -- 218- With default sort_flag - 219bool(true) 220array(4) { 221 ["a"]=> 222 int(1) 223 ["d"]=> 224 int(5) 225 ["c"]=> 226 array(1) { 227 ["g"]=> 228 int(4) 229 } 230 ["b"]=> 231 array(2) { 232 ["e"]=> 233 int(2) 234 ["f"]=> 235 int(3) 236 } 237} 238- Sort_flag = SORT_REGULAR - 239bool(true) 240array(4) { 241 ["a"]=> 242 int(1) 243 ["d"]=> 244 int(5) 245 ["c"]=> 246 array(1) { 247 ["g"]=> 248 int(4) 249 } 250 ["b"]=> 251 array(2) { 252 ["e"]=> 253 int(2) 254 ["f"]=> 255 int(3) 256 } 257} 258Done 259