array_reduce()
array_reduce - Iteratively reduce the array to a single value using a callback function
Syntax
mixed array_reduce (
array $input,
callback $function,
mixed $initial)
Arguments
- input - The input array.
- function - The callback function.
- initial - If the optional initial is available, it will be used at the beginning of the process, or as a final result in case the array is empty.
Description
array_reduce() applies iteratively the function function to the elements of the array input, so as to reduce the array to a single value.
Version
PHP 4.0.5, 5
Return value
Returns the resulting value.