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<?php $arr = ['11/01/2012', '03/16/2022', '12/26/2021', '01/01/2014', '09/02/2013']; usort($arr, function ($a, $b) { return strtotime($a) - strtotime($b); }); print_r($arr);
Output for 7.3.33, 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0
Array ( [0] => 11/01/2012 [1] => 09/02/2013 [2] => 01/01/2014 [3] => 12/26/2021 [4] => 03/16/2022 )
Output for 8.4.15
/bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.

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