Open In App

PHP Ds\Set count() Function

Improve
Improve
Improve
Like Article
Like
Save Article
Save
Share
Report issue
Report

The Ds\Set::count() function of Ds\Set class in PHP is an inbuilt function which is used to count the number of values present in the Set. This is also referred to as the size of the Set instance.

Syntax:

int public Ds\Set::count()

Parameters: This function does not accept any parameter.

Return Value: This function returns the number of values present in a Set instance.

Below programs illustrate the Ds\Set::count() function:

Program 1:




<?php 
  
// Declare new Set
$set = new \Ds\Set([10, 15, 21]); 
  
// Display the Set element 
var_dump($set); 
  
// Display count of elements 
// present in the Set
echo "Count is : ";
print_r($set->count());
  
?>  


Output:

object(Ds\Set)#1 (3) {
  [0]=>
  int(10)
  [1]=>
  int(15)
  [2]=>
  int(21)
}
Count is : 3

Program 2:




<?php 
  
// Declare new Set
$set = new \Ds\Set(["Geeks", "for", "Keegs"]); 
  
// Display the Set element 
var_dump($set); 
  
// Display count of elements 
// present in the Set
echo "Count is : ";
print_r($set->count());
  
?> 


Output:

object(Ds\Set)#1 (3) {
  [0]=>
  string(5) "Geeks"
  [1]=>
  string(3) "for"
  [2]=>
  string(5) "Keegs"
}
Count is : 3

Reference: http://php.net/manual/en/ds-set.count.php


Last Updated : 22 Aug, 2019
Like Article
Save Article
Previous
Next
Share your thoughts in the comments
Similar Reads