@ 2020-06-16T06:20:11Z <?php
$array = [
['number' => 2, 'letter' => 'a', 'price' => 9.99],
['number' => 3, 'letter' => 'b', 'price' => 9.99],
['number' => 1, 'letter' => 'c', 'price' => 9.50],
['number' => 1, 'letter' => 'd', 'price' => 10],
['number' => 1, 'letter' => 'e', 'price' => 9.99],
];
$sortingParams[] = array_column($array, 'number'); // 1-dimensional
$sortingParams[] = SORT_ASC; // this is omittable as well because it is assumed (just for demo)
$sortingParams[] = array_column($array, 'price'); // 1-dimensional
$sortingParams[] = SORT_DESC;
$sortingParams[] = SORT_NUMERIC; // this is omittable as well because it is assumed (just for demo)
$sortingParams[] = &$array; // this is the actual master array which should be modified
array_multisort(...$sortingParams); // unpack with splat operator
var_export($array);
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Output for 7.1.0 - 7.1.33 , 7.2.0 - 7.2.34 , 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 (
'number' => 1,
'letter' => 'd',
'price' => 10,
),
1 =>
array (
'number' => 1,
'letter' => 'e',
'price' => 9.99,
),
2 =>
array (
'number' => 1,
'letter' => 'c',
'price' => 9.5,
),
3 =>
array (
'number' => 2,
'letter' => 'a',
'price' => 9.99,
),
4 =>
array (
'number' => 3,
'letter' => 'b',
'price' => 9.99,
),
) 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 (
'number' => 1,
'letter' => 'd',
'price' => 10,
),
1 =>
array (
'number' => 1,
'letter' => 'e',
'price' => 9.99,
),
2 =>
array (
'number' => 1,
'letter' => 'c',
'price' => 9.5,
),
3 =>
array (
'number' => 2,
'letter' => 'a',
'price' => 9.99,
),
4 =>
array (
'number' => 3,
'letter' => 'b',
'price' => 9.99,
),
) Output for 5.6.0 - 5.6.40 , 7.0.0 - 7.0.33 array (
0 =>
array (
'number' => 1,
'letter' => 'd',
'price' => 10,
),
1 =>
array (
'number' => 1,
'letter' => 'e',
'price' => 9.9900000000000002,
),
2 =>
array (
'number' => 1,
'letter' => 'c',
'price' => 9.5,
),
3 =>
array (
'number' => 2,
'letter' => 'a',
'price' => 9.9900000000000002,
),
4 =>
array (
'number' => 3,
'letter' => 'b',
'price' => 9.9900000000000002,
),
) Output for 5.5.0 - 5.5.38 Parse error: syntax error, unexpected '.' in /in/dbq2F on line 17
Process exited with code 255 . Output for 5.4.0 - 5.4.45 Parse error: syntax error, unexpected '.', expecting ')' in /in/dbq2F on line 17
Process exited with code 255 . Output for 4.4.2 - 4.4.9 , 5.1.0 - 5.1.6 , 5.2.0 - 5.2.17 , 5.3.0 - 5.3.29 Parse error: syntax error, unexpected '[' in /in/dbq2F on line 2
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 '[' in /in/dbq2F on line 2
Process exited with code 255 . Output for 4.3.2 - 4.3.4 Parse error: parse error in /in/dbq2F on line 2
Process exited with code 255 . preferences:dark mode live preview
333.57 ms | 401 KiB | 461 Q