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PHP - Ds Map isEmpty() Function


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Ds\Map::isEmpty() function can return whether the map is empty.

Syntax

public bool Ds\Map::isEmpty( void )

Ds\Map::isEmpty() function doesn't have any parameters.

Ds\Map::isEmpty() function can return true if the map is empty, or false otherwise.

Example 1

<?php 
   $map = new \Ds\Map(); 
   var_dump($map->isEmpty()); 
?>

Example 2

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

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