Return the sum of all values in the array (5 + 15 + 25).
| <?php $a=array(5,15,25); echo array_sum($a); ?> | 
The array_sum() function returns the total sum of all the values in the array.
| array_sum(array) | 
| Parameter | Description | 
| array | Required. Specifies the array to sum. | 
| Return Value: | Returns the total sum of all values in an array. | 
| PHP Version: | 4.0.4+ | 
| PHP Changelog: | In PHP versions prior to 4.2.1, the function modified the original array and converted strings to numbers, which often resulted in them being converted to zero depending on their value. | 
Return the total of all values in the array (52.2 + 13.7 + 0.9).
| <?php $a=array(“a”=>52.2,“b”=>13.7,“c”=>0.9); echo array_sum($a); ?> |