<?php
class SortMadness {
private $data;
public function __construct($data) {
$this->data = $data;
}
public function __toString() {
//$data = array_map(function($item) { return $item; }, $this->data);
$data = array_merge($this->data);
sort($data);
$rs = implode('-', $data);
echo $rs."\n";
return $rs;
}
}
// expected order is ['a','b'],['c','b','a'],['c','b']
$a = [
new SortMadness(array('c','b')),
new SortMadness(array('c','b','a')),
new SortMadness(array('a','b')),
];
sort($a);
print_r($a);
usort($a, 'strcmp');
print_r($a);
- Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
- Array
(
[0] => SortMadness Object
(
[data:SortMadness:private] => Array
(
[0] => a
[1] => b
)
)
[1] => SortMadness Object
(
[data:SortMadness:private] => Array
(
[0] => c
[1] => b
)
)
[2] => SortMadness Object
(
[data:SortMadness:private] => Array
(
[0] => c
[1] => b
[2] => a
)
)
)
a-b
b-c
b-c
a-b-c
a-b
a-b-c
Array
(
[0] => SortMadness Object
(
[data:SortMadness:private] => Array
(
[0] => a
[1] => b
)
)
[1] => SortMadness Object
(
[data:SortMadness:private] => Array
(
[0] => c
[1] => b
[2] => a
)
)
[2] => SortMadness Object
(
[data:SortMadness:private] => Array
(
[0] => c
[1] => b
)
)
)
- Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
- Array
(
[0] => SortMadness Object
(
[data:SortMadness:private] => Array
(
[0] => a
[1] => b
)
)
[1] => SortMadness Object
(
[data:SortMadness:private] => Array
(
[0] => c
[1] => b
)
)
[2] => SortMadness Object
(
[data:SortMadness:private] => Array
(
[0] => c
[1] => b
[2] => a
)
)
)
b-c
a-b
a-b-c
b-c
a-b
a-b-c
Array
(
[0] => SortMadness Object
(
[data:SortMadness:private] => Array
(
[0] => a
[1] => b
)
)
[1] => SortMadness Object
(
[data:SortMadness:private] => Array
(
[0] => c
[1] => b
[2] => a
)
)
[2] => SortMadness Object
(
[data:SortMadness:private] => Array
(
[0] => c
[1] => b
)
)
)
preferences:
144.21 ms | 404 KiB | 179 Q