array_sum
Calculate the sum of values in an array.
Description
numberarray_sum
arrayarray
array_sum returns the sum of values
in an array as an integer or float.
<function>array_sum</function> examples
1.2, "b" => 2.3, "c" => 3.4);
echo "sum(b) = " . array_sum($b) . "\n";
?>
]]>
The printout of the program above will be:
PHP versions prior to 4.2.1 modified the passed array
itself and converted strings to numbers (which most
of the time converted them to zero, depending on
their value).