array list help functions (sorting arrays objects) (tag)

apply_filters_ref_array()

Executes the functions attached to the specified hook (filter). Parameters are passed in an array. Allows passing a parameter by reference.

wp_array_slice_assoc()

Leaves elements from the first array whose keys (indexes) match the values of the second array.

wp_filter_object_list()

Filters the given array of objects by the specified key=>value parameters.

wp_is_numeric_array()

Checks if the specified variable is an numeric-indexed array.

wp_list_filter()

Filters an array of objects (or an array of arrays) and retrieves from the array those objects that have the specified parameter.

wp_list_pluck()

Collects a specified field from nested arrays of a multidimensional array.

wp_list_sort()

Sorts an array of objects or an array of arrays by one or more fields.

wp_recursive_ksort()

Sorts an array and all nested arrays by key in ascending order (a-z).