<?php
$arr = array(
'56'=>array('class_name'=>'6','name'=>'jack','date'=>'2014'),
'61'=>array('class_name'=>'2','name'=>'mary','date'=>'2012'),
'57'=>array('class_name'=>'5','name'=>'lilei','date'=>'2015')
);
uasort($arr, function($a, $b) {
if( $a['class_name'] === $b['class_name'] ){
return $a['date'] - $b['date'];
}
return $a['class_name'] - $b['class_name'];
});
print_r($arr);
- Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 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
(
[61] => Array
(
[class_name] => 2
[name] => mary
[date] => 2012
)
[57] => Array
(
[class_name] => 5
[name] => lilei
[date] => 2015
)
[56] => Array
(
[class_name] => 6
[name] => jack
[date] => 2014
)
)
- 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
(
[61] => Array
(
[class_name] => 2
[name] => mary
[date] => 2012
)
[57] => Array
(
[class_name] => 5
[name] => lilei
[date] => 2015
)
[56] => Array
(
[class_name] => 6
[name] => jack
[date] => 2014
)
)
- Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
- Parse error: syntax error, unexpected T_FUNCTION in /in/lcaHT on line 9
Process exited with code 255. - Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
- Parse error: parse error, unexpected T_FUNCTION in /in/lcaHT on line 9
Process exited with code 255. - Output for 4.3.2 - 4.3.4
- Parse error: parse error in /in/lcaHT on line 9
Process exited with code 255.
preferences:
228.09 ms | 401 KiB | 358 Q