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PHP - Ds Map hasValue() Function


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Ds\Map::hasValue() function can determine whether the map contain a given value.

Syntax

public bool Ds\Map::hasValue( mixed $value )

Ds\Map::hasValue() function can return true if the value found, or false otherwise.

Example 1

<?php 
   $map = new \Ds\Map(["1" => 10, "2" => 20, "3" => 30]); 
  
   var_dump($map->hasValue(30)); 
?>

Example 2

<?php 
   $map = new \Ds\Map(["1" => "Tutorials", "2" => "Point", "3" => "India"]); 
  
   var_dump($map->hasValue("Point")); 
?>
php_function_reference.htm

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