<?php
$array = array(array('date'=>'2014-12-01', 'price'=>'123.00'), array('date'=>'2013-12-01', 'price'=>'123.00'), array('date'=>'2014-02-01', 'price'=>'123.00'), array('date'=>'2014-03-01', 'price'=>'123.00'));
var_dump($array);
function date_compare($a, $b)
{
$t1 = strtotime($a['date']);
$t2 = strtotime($b['date']);
return $t1 - $t2;
}
usort($array, 'date_compare');
var_dump($array);
- Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 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 - 8.3.6
- array(4) {
[0]=>
array(2) {
["date"]=>
string(10) "2014-12-01"
["price"]=>
string(6) "123.00"
}
[1]=>
array(2) {
["date"]=>
string(10) "2013-12-01"
["price"]=>
string(6) "123.00"
}
[2]=>
array(2) {
["date"]=>
string(10) "2014-02-01"
["price"]=>
string(6) "123.00"
}
[3]=>
array(2) {
["date"]=>
string(10) "2014-03-01"
["price"]=>
string(6) "123.00"
}
}
array(4) {
[0]=>
array(2) {
["date"]=>
string(10) "2013-12-01"
["price"]=>
string(6) "123.00"
}
[1]=>
array(2) {
["date"]=>
string(10) "2014-02-01"
["price"]=>
string(6) "123.00"
}
[2]=>
array(2) {
["date"]=>
string(10) "2014-03-01"
["price"]=>
string(6) "123.00"
}
[3]=>
array(2) {
["date"]=>
string(10) "2014-12-01"
["price"]=>
string(6) "123.00"
}
}
preferences:
254.32 ms | 407 KiB | 345 Q