PHP array_reduce() Function

This function applies iteratively the function function to the elements of the array, so as to reduce the array to a single value.

Note: If the array is empty and initial is not passed, this function returns NULL.

Returns the resulting value

Syntax

 array_reduce(array,myfunction,initial) 

Example

function myfunction($s1,$s2)
{
return $s1+$s2;
}
$array=array(20,10,15);
print_r(array_reduce($array,"myfunction",5));

Output

50