(PHP 4 >= 4.0.4, PHP 5, PHP 7, PHP 8)
array_sum — Calculate the sum of values in an array
arrayThe input array.
Returns the sum of values as an integer or float; 0 if the
array is empty.
| Version | Description |
|---|---|
| 8.3.0 |
Now emits E_WARNING when array values
cannot be converted to int or float.
Previously arrays and objects where ignored whilst every other value was cast to int.
Moreover, objects that define a numeric cast (e.g. GMP) are now cast instead of ignored.
|
Example #1 array_sum() examples
<?php
$a = array(2, 4, 6, 8);
echo "sum(a) = " . array_sum($a) . "\n";
$b = array("a" => 1.2, "b" => 2.3, "c" => 3.4);
echo "sum(b) = " . array_sum($b) . "\n";
?>The above example will output:
sum(a) = 20 sum(b) = 6.9