hublify.array_sum

Summarizes the values of an (sub)array.

Syntax

array_sum(array $array, string $subKey = null) int|float

Parameter

@param array $array A 1-dimensional (or 2-dimensional) numeric or associative array.

@param string|int|null $subKey Possibility to summarize the values of a 2-dimensional array. If NULL a 1-dimensional array is expected.

Return

Returns the summarized values. If $array is not an array or empty 0 is returned.

Examples

Yet to come...

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