Alert: This function’s access is marked private. This means it is not intended for use by plugin or theme developers, only in other core functions. It is listed here for completeness.
_usort_by_first_member( array $a, array $b ): int
Sorts a multidimensional array by first member of each top level member.
Description
Used by uasort() as a callback, should not be used directly.
Parameters
-
$aarray Required -
-
$barray Required -
Return
int
Source
File: wp-admin/includes/import.php.
View all references
function _usort_by_first_member( $a, $b ) {
return strnatcasecmp( $a[0], $b[0] );
}
Changelog
| Version | Description |
|---|---|
| 2.9.0 | Introduced. |