array_map() returns an array containing the results of applying the callback to the corresponding value of array (and arrays if more arrays are provided) ...

Compares values only. Ignores indexes of array. Example: array_diff, array_intersect. [prefix] u - will do comparison with user defined function. Letter u can ...

Array_chunk · Is_array · Array_change_key_case · Array_is_list

Notes ¶. Note: array() is a language construct used to represent literal arrays, and not a regular function.

There's a lot of multidimensional array_keys function out there, but each of them only merges all the keys in one flat array. Here's a way to find all the keys ...

Ds\Map::sorted - Returns a copy, sorted by value; Ds\Map::sum - Returns the sum of all values in the map; Ds\Map::toArray - Converts the map to an array; Ds\Map ...

Prior to PHP 8.0.0, a string needle will match an array value of 0 in non-strict mode, and vice versa. That may lead to undesireable results. Similar edge cases ...

Despite PHP's amazing assortment of array functions and juggling maneuvers, I found myself needing a way to get the FULL array key mapping to a specific value.

In_array · Array_search · Array_values · Array_keys

Applies the user-defined callback function to each element of the array array. array_walk() is not affected by the internal array pointer of array . array_walk ...

Array_walk · Array_walk_recursive · Iterator_apply

Returns the new number of elements in the array. Changelog ¶. Version, Description. 7.3.0, This function can now be called with only one parameter ...