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usort

usort — Sort an array by values using a user-defined comparison function.

Description

usort(
    array &$array, 
    callable $callback
): bool

Sorts array in place by values using a user-supplied comparison function to determine the order.

Parameters

array

The input array.

callback

The comparison function must return an integer less than, equal to, or greater than zero if the first argument is considered to be respectively less than, equal to, or greater than the second.

Return Values

Always returns true.

More information about usort on official PHP documentation site

usort - Popular snippets

PHP 8.1 / usort print_r last run: 2022-10-07 09:46:58
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PHP 8.1 / usort print_r last run: 2022-09-29 17:54:08
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PHP 8.2 / usort var_dump last run: 2023-04-08 11:03:11
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PHP 7.4 / usort print_r last run: 2022-09-29 17:54:53
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PHP 8.1 / usort print_r last run: 2023-10-26 15:21:55
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PHP 8.1 / explode usort last run: 2024-02-04 21:08:19
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PHP 8.1 / print_r usort explode last run: 2022-05-15 10:22:00
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PHP 8.0 / usort explode print_r last run: 2022-04-25 22:09:06
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PHP 8.0 / usort print_r last run: 2022-03-31 05:18:41
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PHP 7.4 / array_keys print_r usort array_search last run: 2022-01-03 21:23:02
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usort - New snippets

PHP 8.0 / usort print_r added at: 2025-01-29 23:05:10
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PHP 8.1 / MariaDB 11.4 usort date added at: 2024-10-23 17:15:09
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PHP 8.1 / MariaDB 11.4 file_get_contents json_decode usort date print_r rsort added at: 2024-10-23 17:15:00
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PHP 8.1 / MariaDB 11.4 file_get_contents json_decode usort date print_r rsort added at: 2024-10-23 17:14:35
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PHP 8.1 / MariaDB 11.4 file_get_contents json_decode usort date print_r rsort added at: 2024-10-23 17:14:30
1
PHP 8.1 / MariaDB 11.4 usort date print_r rsort added at: 2024-10-23 17:13:18
1
PHP 8.1 / MariaDB 11.4 file_get_contents json_decode usort date print_r rsort added at: 2024-10-23 17:13:12
1
PHP 8.1 / MariaDB 11.4 print_r usort date rsort added at: 2024-10-23 17:13:04
1
PHP 8.1 / MariaDB 11.4 file_get_contents json_decode usort date print_r rsort added at: 2024-10-23 17:12:46
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PHP 8.1 / MariaDB 11.4 file_get_contents json_decode usort date print_r rsort added at: 2024-10-23 17:12:25
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