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<?php $array = [ 495 => (object)['date' => '2009-10-31 18:24:09'], 582 => (object)['date' => '2010-2-11 12:01:42'], 121 => (object)['date' => '2008-12-1 18:24:09'], 333 => (object)['date' => '2019-9-9 15:15:15'], 987 => (object)['date' => '2009-2-20 6:06:33'], ]; uasort( $array, function($a, $b) { echo "compare\n"; return strtotime($a->date) <=> strtotime($b->date); } ); var_export($array); echo "\n---\n"; $array = [ 495 => (object)['date' => '2009-10-31 18:24:09'], 582 => (object)['date' => '2010-2-11 12:01:42'], 121 => (object)['date' => '2008-12-1 18:24:09'], 333 => (object)['date' => '2019-9-9 15:15:15'], 987 => (object)['date' => '2009-2-20 6:06:33'], ]; $dates = array_map('strtotime', array_column($array, 'date')); array_multisort($dates, $array); var_export($array);
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.4, 8.3.6 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0
compare compare compare compare compare compare compare compare array ( 121 => (object) array( 'date' => '2008-12-1 18:24:09', ), 987 => (object) array( 'date' => '2009-2-20 6:06:33', ), 495 => (object) array( 'date' => '2009-10-31 18:24:09', ), 582 => (object) array( 'date' => '2010-2-11 12:01:42', ), 333 => (object) array( 'date' => '2019-9-9 15:15:15', ), ) --- array ( 0 => (object) array( 'date' => '2008-12-1 18:24:09', ), 1 => (object) array( 'date' => '2009-2-20 6:06:33', ), 2 => (object) array( 'date' => '2009-10-31 18:24:09', ), 3 => (object) array( 'date' => '2010-2-11 12:01:42', ), 4 => (object) array( 'date' => '2019-9-9 15:15:15', ), )
Output for 8.4.15
/bin/php-8.4.15: error while loading shared libraries: libm.so.6: cannot open shared object file: No such file or directory
Process exited with code 127.
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 compare compare compare compare compare compare compare compare array ( 121 => (object) array( 'date' => '2008-12-1 18:24:09', ), 987 => (object) array( 'date' => '2009-2-20 6:06:33', ), 495 => (object) array( 'date' => '2009-10-31 18:24:09', ), 582 => (object) array( 'date' => '2010-2-11 12:01:42', ), 333 => (object) array( 'date' => '2019-9-9 15:15:15', ), ) --- array ( 0 => (object) array( 'date' => '2008-12-1 18:24:09', ), 1 => (object) array( 'date' => '2009-2-20 6:06:33', ), 2 => (object) array( 'date' => '2009-10-31 18:24:09', ), 3 => (object) array( 'date' => '2010-2-11 12:01:42', ), 4 => (object) array( 'date' => '2019-9-9 15:15:15', ), )
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