PHP - array_sum

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Metóda - array_sum

(PHP 4 >= 4.0.4, PHP 5, PHP 7)

Returns the sum of all values in an array. Keys do not matter. The function is useful e.g. for calculating an arithmetic mean. It tries to convert string values in the array to numbers using standard conversion.

Procedurálne

• function array_sum (array $array) : number

Parametre

Názov	Dátový typ	Predvolená hodnota	Popis
$array	array		An array containing integer or float values.

Mávratovej hodnoty

Vracia: number

The sum of all values in the array.

Príklady

<?php
$grades =[1, 2, 2, 3, 4, 5];
$average = array_sum($grades) / count($grades);
echo ("An average grade: {$average}");