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PHP | Ds\Sequence sum() Function
  • Last Updated : 22 Aug, 2019

The Ds\Sequence::sum() function is an inbuilt function in PHP which is used to return the sum of all values of the sequence.

Syntax:

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

Parameters: This function does not accept any parameters.

Return value: This function returns the sum of all sequence elements in form of integer or float.

Below programs illustrate the Ds\Sequence::sum() function in PHP:



Program 1:




<?php
   
// Create new sequence
$seq new \Ds\Vector([5, 7, 8, 14, 23]);
  
// Use sum() function to find 
// the sum of sequence element
var_dump($seq->sum());
  
?>

Output:

int(57)

Program 2:




<?php
   
// Create new sequence
$seq new \Ds\Vector([5, 7.5, 8.4, 14, 23]);
  
// Use sum() function to find 
// the sum of sequence element
var_dump($seq->sum());
  
?>

Output:

float(57.9)

Reference: http://php.net/manual/en/ds-sequence.sum.php

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