Syntax: number array_sum ( array $array ) Description: Calculate the sum of values in an array <?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"; ?> OUTPUT sum(a) = 20 sum(b) = 6.9... Read More »