PHP - Ds Set contains() Function

Ds\Set::contains() function can determine if the set contains all values.

Syntax

public bool Ds\Set::contains([ mixed $...values ] )

Ds\Set::contains() function can return false if any of the provided values are not in the set, or true otherwise.

Example 1

<?php  
   $set = new \Ds\Set(["T", "u", "t", "o", "r", 1, 3, 5]);  
  
   var_dump($set->contains("T"));   
   var_dump($set->contains("r");  
   var_dump($set->contains("a"));   
   var_dump($set->contains(7));   
   var_dump($set->contains(3));    
?>

Example 2

<?php  
   $set = new \Ds\Set(["T", "u", "t", "o", "r", 1, 3, 5]);  
  
   var_dump($set->contains("T", "t"));   
   var_dump($set->contains("r", "o", 5);  
   var_dump($set->contains("a", "7"));   
   var_dump($set->contains(5, 2));   
   var_dump($set->contains(7, "3"));    
?>