1--TEST-- 2Test sort() function : usage variations - sort mixed values, 'sort_flag' as defualt/SORT_REGULAR (OK to fail as result is unpredectable) 3--FILE-- 4<?php 5/* Prototype : bool sort ( array &$array [, int $sort_flags] ) 6 * Description: This function sorts an array. 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 sort() by providing mixed value array for $array argument with following flag values. 13 * flag value as defualt 14 * SORT_REGULAR - compare items normally 15*/ 16 17echo "*** Testing sort() : usage variations ***\n"; 18 19// mixed value array 20$mixed_values = array ( 21 array(), 22 array(array(33, -5, 6), array(11), array(22, -55), array() ), 23 -4, "4", 4.00, "b", "5", -2, -2.0, -2.98989, "-.9", "True", "", 24 NULL, "ab", "abcd", 0.0, -0, "abcd\x00abcd\x00abcd", '', true, false 25); 26 27echo "\n-- Testing sort() by supplying mixed value array, 'flag' value is defualt --\n"; 28$temp_array = $mixed_values; 29var_dump(sort($temp_array) ); 30var_dump($temp_array); 31 32echo "\n-- Testing sort() by supplying mixed value array, 'flag' value is SORT_REGULAR --\n"; 33$temp_array = $mixed_values; 34var_dump(sort($temp_array, SORT_REGULAR) ); 35var_dump($temp_array); 36 37echo "Done\n"; 38?> 39--EXPECTF-- 40*** Testing sort() : usage variations *** 41 42-- Testing sort() by supplying mixed value array, 'flag' value is defualt -- 43bool(true) 44array(22) { 45 [0]=> 46 int(-4) 47 [1]=> 48 float(-2.98989) 49 [2]=> 50 int(-2) 51 [3]=> 52 float(-2) 53 [4]=> 54 string(0) "" 55 [5]=> 56 string(0) "" 57 [6]=> 58 NULL 59 [7]=> 60 bool(false) 61 [8]=> 62 bool(true) 63 [9]=> 64 string(3) "-.9" 65 [10]=> 66 float(0) 67 [11]=> 68 int(0) 69 [12]=> 70 string(1) "4" 71 [13]=> 72 string(1) "5" 73 [14]=> 74 string(4) "True" 75 [15]=> 76 string(2) "ab" 77 [16]=> 78 string(4) "abcd" 79 [17]=> 80 string(14) "abcdabcdabcd" 81 [18]=> 82 string(1) "b" 83 [19]=> 84 float(4) 85 [20]=> 86 array(0) { 87 } 88 [21]=> 89 array(4) { 90 [0]=> 91 array(3) { 92 [0]=> 93 int(33) 94 [1]=> 95 int(-5) 96 [2]=> 97 int(6) 98 } 99 [1]=> 100 array(1) { 101 [0]=> 102 int(11) 103 } 104 [2]=> 105 array(2) { 106 [0]=> 107 int(22) 108 [1]=> 109 int(-55) 110 } 111 [3]=> 112 array(0) { 113 } 114 } 115} 116 117-- Testing sort() by supplying mixed value array, 'flag' value is SORT_REGULAR -- 118bool(true) 119array(22) { 120 [0]=> 121 int(-4) 122 [1]=> 123 float(-2.98989) 124 [2]=> 125 int(-2) 126 [3]=> 127 float(-2) 128 [4]=> 129 string(0) "" 130 [5]=> 131 string(0) "" 132 [6]=> 133 NULL 134 [7]=> 135 bool(false) 136 [8]=> 137 bool(true) 138 [9]=> 139 string(3) "-.9" 140 [10]=> 141 float(0) 142 [11]=> 143 int(0) 144 [12]=> 145 string(1) "4" 146 [13]=> 147 string(1) "5" 148 [14]=> 149 string(4) "True" 150 [15]=> 151 string(2) "ab" 152 [16]=> 153 string(4) "abcd" 154 [17]=> 155 string(14) "abcdabcdabcd" 156 [18]=> 157 string(1) "b" 158 [19]=> 159 float(4) 160 [20]=> 161 array(0) { 162 } 163 [21]=> 164 array(4) { 165 [0]=> 166 array(3) { 167 [0]=> 168 int(33) 169 [1]=> 170 int(-5) 171 [2]=> 172 int(6) 173 } 174 [1]=> 175 array(1) { 176 [0]=> 177 int(11) 178 } 179 [2]=> 180 array(2) { 181 [0]=> 182 int(22) 183 [1]=> 184 int(-55) 185 } 186 [3]=> 187 array(0) { 188 } 189 } 190} 191Done 192