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PHP Ds\Set count() Function

Last Updated : 11 Jul, 2025
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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:
Output:
object(Ds\Set)#1 (3) {
  [0]=>
  int(10)
  [1]=>
  int(15)
  [2]=>
  int(21)
}
Count is : 3
Program 2:
Output:
object(Ds\Set)#1 (3) {
  [0]=>
  string(5) "Geeks"
  [1]=>
  string(3) "for"
  [2]=>
  string(5) "Keegs"
}
Count is : 3
Reference: https://www.php.net/manual/en/ds-set.count.php

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