Описание тега ksort
This is a PHP function to sort arrays by keys. Returns either TRUE or FALSE.
ksort()
takes in an array as argument and sorts this array by keys/indexes. Since the passed array is taken as pass-by-reference, the original array itself is updated/sorted.
Short Info
Sorts an array by key, maintaining key to data correlations. This is useful mainly for associative arrays. The function returns TRUE
on success or FALSE
on failure.
Usage
bool ksort ( array &$array [, int $sort_flags = SORT_REGULAR ] )
bool
is the return value type.array
is passed variable type.$sort_flags
is optional parameter to modify sorting feature.
More information on the sort_flags
is available here.
Miscellaneous
The functionkrsort()
can be used to sort an array by key in reverse order.