array_sum Calculate the sum of values in an array &reftitle.description; intfloatarray_sum arrayarray array_sum returns the sum of values in an array. &reftitle.parameters; array The input array. &reftitle.returnvalues; Returns the sum of values as an integer or float; 0 if the array is empty. &reftitle.examples; 1.2, "b" => 2.3, "c" => 3.4); echo "sum(b) = " . array_sum($b) . "\n"; ?> ]]> &example.outputs;