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<?php class A { public $a; public $b; public $c; public function __construct($a, $b, $c) { $this->a = $a; $this->b = $b; $this->c = $c; } } $arr = Array( new A('a1235d', 'f', 'M'), new A('a1235d', 'm', 'L'), new A('a1235d', 'm', 'S'), new A('a1234d', 'm', 'L'), new A('a1234d', 'm', 'S'), new A('a1236d', 'm', 'S'), new A('a1236d', 'm', 'M'), new A('a1234d', 'f', 'S'), new A('a1236d', 'f', 'S'), new A('a1236d', 'f', 'M'), new A('a1235d', 'f', 'S'), new A('a1234d', 'm', 'M'), new A('a1235d', 'm', 'M'), new A('a1234d', 'f', 'M'), new A('a1235d', 'f', 'L'), new A('a1236d', 'm', 'L'), new A('a1236d', 'f', 'L'), new A('a1234d', 'f', 'L') ); function sort_by_a($arr) { usort($arr, function($a, $b) { if ($a->a == $b->a) { return 0; } return strcmp($a->a, $b->a) ? -1 : 1; }); return $arr; } function sort_by_b($arr) { usort($arr, function($a, $b) { if ($a->b == $b->b) { return 0; } return strcmp($a->b, $b->b) ? -1 : 1; }); return $arr; } function sort_by_c($arr) { usort($arr, function($a, $b) { if ($a->c == $b->c) { return 0; } return strcmp($a->c, $b->c) ? -1 : 1; }); return $arr; } function printarr($arr) { foreach ($arr as $a) echo $a->a."\t".$a->b."\t".$a->c."\n"; echo "\n"; } printarr($arr); $arr = sort_by_c($arr); printarr($arr); $arr = sort_by_b($arr); printarr($arr); $arr = sort_by_a($arr); printarr($arr);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
a1235d f M a1235d m L a1235d m S a1234d m L a1234d m S a1236d m S a1236d m M a1234d f S a1236d f S a1236d f M a1235d f S a1234d m M a1235d m M a1234d f M a1235d f L a1236d m L a1236d f L a1234d f L a1235d f M a1235d m L a1235d f L a1236d m L a1236d f L a1235d f S a1236d m M a1236d f M a1236d m S a1234d f S a1236d f S a1234d m M a1235d m M a1234d f M a1234d m S a1234d m L a1235d m S a1234d f L a1235d f M a1234d m M a1235d f L a1235d m S a1236d f L a1235d f S a1235d m M a1234d m L a1236d f M a1234d m S a1234d f S a1236d f S a1235d m L a1234d f M a1236d m L a1236d m M a1236d m S a1234d f L a1235d f M a1234d m M a1236d m L a1236d m M a1236d m S a1235d m L a1236d f S a1234d m L a1234d m S a1236d f M a1234d f S a1235d f S a1235d m M a1234d f M a1236d f L a1235d f L a1235d m S a1234d f L
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
a1235d f M a1235d m L a1235d m S a1234d m L a1234d m S a1236d m S a1236d m M a1234d f S a1236d f S a1236d f M a1235d f S a1234d m M a1235d m M a1234d f M a1235d f L a1236d m L a1236d f L a1234d f L a1235d f M a1235d f S a1236d f L a1236d m L a1235d f L a1234d f M a1235d m M a1234d m M a1236d f M a1235d m L a1236d f S a1234d f S a1236d m M a1236d m S a1234d m S a1234d m L a1235d m S a1234d f L a1235d f M a1236d f S a1235d m S a1234d m L a1234d m S a1236d m S a1236d m M a1234d f S a1235d m L a1235d f S a1236d f M a1234d m M a1235d m M a1234d f M a1235d f L a1236d m L a1236d f L a1234d f L a1235d f M a1236d f M a1236d f L a1236d m L a1235d f L a1234d f M a1235d m M a1234d m M a1235d f S a1236d f S a1235d m L a1234d f S a1236d m M a1236d m S a1234d m S a1234d m L a1235d m S a1234d f L
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
a1235d f M a1235d m L a1235d m S a1234d m L a1234d m S a1236d m S a1236d m M a1234d f S a1236d f S a1236d f M a1235d f S a1234d m M a1235d m M a1234d f M a1235d f L a1236d m L a1236d f L a1234d f L a1235d m M a1234d m M a1235d f S a1234d f M a1235d f L a1234d f L a1236d f L a1236d m L a1236d f M a1236d f S a1234d m L a1235d m S a1235d m L a1234d m S a1236d m S a1234d f S a1236d m M a1235d f M a1235d m L a1235d m S a1234d m L a1234d m S a1236d m S a1235d f M a1236d m M a1234d f S a1236d f S a1236d f M a1234d f M a1235d f S a1234d m M a1235d f L a1234d f L a1236d m L a1236d f L a1235d m M a1234d m M a1235d f S a1234d f M a1235d f L a1234d f L a1235d m M a1236d f L a1236d m L a1236d f M a1236d f S a1234d m S a1234d m L a1235d m S a1236d m S a1235d f M a1234d f S a1236d m M a1235d m L
preferences:
238.86 ms | 403 KiB | 335 Q