The Ds\Collection::isEmpty() function is an inbuilt function in PHP which is used to returns whether collection is empty.
Syntax:
Ds\Collection::isEmpty ( void ) : bool
Parameters: This function does not accepts any parameters.
Return Value: It returns True if collection is empty or False otherwise.
Below programs illustrate the Ds\Collection::isEmpty() function in PHP:
Example 1:
<?php   // Create a collection $collection = new \Ds\Vector([10, 15, 21, 13, 16, 18]);   // Use isEmpty function $res = $collection->isEmpty();   // Display the result var_dump($res);   // Create a collection $collection = new \Ds\Vector();   // Use isEmpty function $res = $collection->isEmpty();   // Display the result var_dump($res); ?> |
Output:
bool(false) bool(true)
Example 2:
<?php   // Create a collection $collection = new \Ds\Vector();   // display output var_dump($collection->isEmpty());   // Create a collection $collection = new \Ds\Vector([1, 3, 5, 2, 6]);   // Display output var_dump($collection->isEmpty());   ?> |
Output:
bool(true) bool(false)
Reference: http://php.net/manual/en/ds-collection.isempty.php
Whether you’re preparing for your first job interview or aiming to upskill in this ever-evolving tech landscape, neveropen Courses are your key to success. We provide top-quality content at affordable prices, all geared towards accelerating your growth in a time-bound manner. Join the millions we’ve already empowered, and we’re here to do the same for you. Don’t miss out – check it out now!
