PHP - Ds Sequence sum() Function

Ds\Sequence::sum() function can return the sum of all values in a sequence.

Syntax

public abstract number Ds\Sequence::sum( void )

Ds\Sequence::sum() function doesn't have any parameters. This function can return the sum of all values in a sequence as either float or int depending on values in a sequence.

Example 1

<?php 
   $seq = new \Ds\Vector([5, 7, 8, 14, 23]); 

   var_dump($seq->sum()); 
?>

Example-2

<?php 
   $seq = new \Ds\Vector([5, 7.5, 8.4, 14, 23]); 
   
   var_dump($seq->sum()); 
?>