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<?php $arr = array(); $arr[] = array("id" => 3, "name" => "joe"); $arr[] = array("id" => 34, "name" => "joe"); $arr[] = array("id" => 1, "name" => "joe"); $arr[] = array("id" => 15, "name" => "joe"); $arr[] = array("id" => 75, "name" => "joe"); $arr[] = array("id" => 2, "name" => "joe"); $arr[] = array("id" => 10, "name" => "joe"); $arr[] = array("id" => 19, "name" => "joe"); var_dump($arr); function cmp($a, $b) { echo $a["id"] - $b["id"] ."\n\r"; return $a["id"] - $b["id"]; } usort($arr, "cmp"); var_dump($arr);
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
array(8) { [0]=> array(2) { ["id"]=> int(3) ["name"]=> string(3) "joe" } [1]=> array(2) { ["id"]=> int(34) ["name"]=> string(3) "joe" } [2]=> array(2) { ["id"]=> int(1) ["name"]=> string(3) "joe" } [3]=> array(2) { ["id"]=> int(15) ["name"]=> string(3) "joe" } [4]=> array(2) { ["id"]=> int(75) ["name"]=> string(3) "joe" } [5]=> array(2) { ["id"]=> int(2) ["name"]=> string(3) "joe" } [6]=> array(2) { ["id"]=> int(10) ["name"]=> string(3) "joe" } [7]=> array(2) { ["id"]=> int(19) ["name"]=> string(3) "joe" } } -31 33 2 19 -12 -41 73 32 13 1 -1 65 5 -8 -7 56 -4 15 array(8) { [0]=> array(2) { ["id"]=> int(1) ["name"]=> string(3) "joe" } [1]=> array(2) { ["id"]=> int(2) ["name"]=> string(3) "joe" } [2]=> array(2) { ["id"]=> int(3) ["name"]=> string(3) "joe" } [3]=> array(2) { ["id"]=> int(10) ["name"]=> string(3) "joe" } [4]=> array(2) { ["id"]=> int(15) ["name"]=> string(3) "joe" } [5]=> array(2) { ["id"]=> int(19) ["name"]=> string(3) "joe" } [6]=> array(2) { ["id"]=> int(34) ["name"]=> string(3) "joe" } [7]=> array(2) { ["id"]=> int(75) ["name"]=> string(3) "joe" } }
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28
array(8) { [0]=> array(2) { ["id"]=> int(3) ["name"]=> string(3) "joe" } [1]=> array(2) { ["id"]=> int(34) ["name"]=> string(3) "joe" } [2]=> array(2) { ["id"]=> int(1) ["name"]=> string(3) "joe" } [3]=> array(2) { ["id"]=> int(15) ["name"]=> string(3) "joe" } [4]=> array(2) { ["id"]=> int(75) ["name"]=> string(3) "joe" } [5]=> array(2) { ["id"]=> int(2) ["name"]=> string(3) "joe" } [6]=> array(2) { ["id"]=> int(10) ["name"]=> string(3) "joe" } [7]=> array(2) { ["id"]=> int(19) ["name"]=> string(3) "joe" } } -19 4 -5 14 12 -60 -13 -41 -15 8 9 -7 -1 -1 array(8) { [0]=> array(2) { ["id"]=> int(1) ["name"]=> string(3) "joe" } [1]=> array(2) { ["id"]=> int(2) ["name"]=> string(3) "joe" } [2]=> array(2) { ["id"]=> int(3) ["name"]=> string(3) "joe" } [3]=> array(2) { ["id"]=> int(10) ["name"]=> string(3) "joe" } [4]=> array(2) { ["id"]=> int(15) ["name"]=> string(3) "joe" } [5]=> array(2) { ["id"]=> int(19) ["name"]=> string(3) "joe" } [6]=> array(2) { ["id"]=> int(34) ["name"]=> string(3) "joe" } [7]=> array(2) { ["id"]=> int(75) ["name"]=> string(3) "joe" } }

preferences:
234.1 ms | 406 KiB | 309 Q