<?php
$array = [
[
['name'=>'John B'],
['age'=>30],
['sizes'=>
[
'weight'=>80,
'height'=>120
]
]
],
[
['name'=>'Marie B'],
['age'=>31],
['sizes'=>
[
'weight'=>60,
'height'=>110
]
]
],
[
['name'=>'Carl M'],
['age'=>12],
['sizes'=>
[
'weight'=>70,
'height'=>100
]
]
],
[
['name'=>'Mike N'],
['age'=>19],
['sizes'=>
[
'weight'=>70,
'height'=>150
]
]
],
[
['name'=>'Nancy N'],
['age'=>15],
['sizes'=>
[
'weight'=>60,
'height'=>150
]
]
],
[
['name'=>'Cory X'],
['age'=>15],
['sizes'=>
[
'weight'=>44,
'height'=>150
]
]
]
];
function method($a,$b)
{
return ($a[2]["sizes"]["weight"] <= $b[2]["sizes"]["weight"]) ? -1 : 1;
}
usort($array, "method");
print_r($array);
?>
- Output for 5.6.38, 7.0.33, 7.1.25 - 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
(
[0] => Array
(
[0] => Array
(
[name] => Cory X
)
[1] => Array
(
[age] => 15
)
[2] => Array
(
[sizes] => Array
(
[weight] => 44
[height] => 150
)
)
)
[1] => Array
(
[0] => Array
(
[name] => Marie B
)
[1] => Array
(
[age] => 31
)
[2] => Array
(
[sizes] => Array
(
[weight] => 60
[height] => 110
)
)
)
[2] => Array
(
[0] => Array
(
[name] => Nancy N
)
[1] => Array
(
[age] => 15
)
[2] => Array
(
[sizes] => Array
(
[weight] => 60
[height] => 150
)
)
)
[3] => Array
(
[0] => Array
(
[name] => Carl M
)
[1] => Array
(
[age] => 12
)
[2] => Array
(
[sizes] => Array
(
[weight] => 70
[height] => 100
)
)
)
[4] => Array
(
[0] => Array
(
[name] => Mike N
)
[1] => Array
(
[age] => 19
)
[2] => Array
(
[sizes] => Array
(
[weight] => 70
[height] => 150
)
)
)
[5] => Array
(
[0] => Array
(
[name] => John B
)
[1] => Array
(
[age] => 30
)
[2] => Array
(
[sizes] => Array
(
[weight] => 80
[height] => 120
)
)
)
)
- 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
(
[0] => Array
(
[0] => Array
(
[name] => Cory X
)
[1] => Array
(
[age] => 15
)
[2] => Array
(
[sizes] => Array
(
[weight] => 44
[height] => 150
)
)
)
[1] => Array
(
[0] => Array
(
[name] => Marie B
)
[1] => Array
(
[age] => 31
)
[2] => Array
(
[sizes] => Array
(
[weight] => 60
[height] => 110
)
)
)
[2] => Array
(
[0] => Array
(
[name] => Nancy N
)
[1] => Array
(
[age] => 15
)
[2] => Array
(
[sizes] => Array
(
[weight] => 60
[height] => 150
)
)
)
[3] => Array
(
[0] => Array
(
[name] => Carl M
)
[1] => Array
(
[age] => 12
)
[2] => Array
(
[sizes] => Array
(
[weight] => 70
[height] => 100
)
)
)
[4] => Array
(
[0] => Array
(
[name] => Mike N
)
[1] => Array
(
[age] => 19
)
[2] => Array
(
[sizes] => Array
(
[weight] => 70
[height] => 150
)
)
)
[5] => Array
(
[0] => Array
(
[name] => John B
)
[1] => Array
(
[age] => 30
)
[2] => Array
(
[sizes] => Array
(
[weight] => 80
[height] => 120
)
)
)
)
preferences:
182.77 ms | 409 KiB | 183 Q