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- <?php
- // PHP 5.6
- usort($array, function($a, $b) {
- if ($a == $b) {
- return 0;
- }
- return ($a < $b) ? -1 : 1;
- });
- // PHP 7 with spaceship operator
- usort($array, function($a, $b) {
- return $a <=> $b;
- });
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