_usort_by_first_member()
Sorts a multidimensional array by first member of each top level member.
Used by uasort() as a callback, should not be used directly.
Internal function — this function is designed to be used by the kernel itself. It is not recommended to use this function in your code.
No Hooks.
Return
Int.
Usage
_usort_by_first_member( $a, $b );
- $a(array) (required)
- -
- $b(array) (required)
- -
Changelog
| Since 2.9.0 | Introduced. |
_usort_by_first_member() usort by first member code WP 6.8
function _usort_by_first_member( $a, $b ) {
return strnatcasecmp( $a[0], $b[0] );
}