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<?php $data = [ [ 'id' => 2, 'position' => 3, ], [ 'id' => 1, 'position' => 2, ], [ 'id' => 1, 'position' => 1, ], [ 'id' => 2, 'position' => 2, ], [ 'id' => 2, 'position' => 1, ], [ 'id' => 1, 'position' => 3, ], ]; usort( $data, function ($a, $b) { if ($a['position'] == $b['position']) { return ($a['id'] < $b['id']) ? -1 : 1;; } return ($a['position'] < $b['position']) ? -1 : 1; } ); usort( $data, function ($a, $b) { if ($a['id'] == $b['id']) { return 0; } return ($a['id'] < $b['id']) ? -1 : 1; } ); var_dump($data);
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
array(6) { [0]=> array(2) { ["id"]=> int(1) ["position"]=> int(1) } [1]=> array(2) { ["id"]=> int(1) ["position"]=> int(2) } [2]=> array(2) { ["id"]=> int(1) ["position"]=> int(3) } [3]=> array(2) { ["id"]=> int(2) ["position"]=> int(1) } [4]=> array(2) { ["id"]=> int(2) ["position"]=> int(2) } [5]=> array(2) { ["id"]=> int(2) ["position"]=> int(3) } }
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 array(6) { [0]=> array(2) { ["id"]=> int(1) ["position"]=> int(1) } [1]=> array(2) { ["id"]=> int(1) ["position"]=> int(2) } [2]=> array(2) { ["id"]=> int(1) ["position"]=> int(3) } [3]=> array(2) { ["id"]=> int(2) ["position"]=> int(1) } [4]=> array(2) { ["id"]=> int(2) ["position"]=> int(2) } [5]=> array(2) { ["id"]=> int(2) ["position"]=> int(3) } }
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
array(6) { [0]=> array(2) { ["id"]=> int(1) ["position"]=> int(3) } [1]=> array(2) { ["id"]=> int(1) ["position"]=> int(1) } [2]=> array(2) { ["id"]=> int(1) ["position"]=> int(2) } [3]=> array(2) { ["id"]=> int(2) ["position"]=> int(3) } [4]=> array(2) { ["id"]=> int(2) ["position"]=> int(1) } [5]=> array(2) { ["id"]=> int(2) ["position"]=> int(2) } }

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