Hello folks! welcome back to a new edition of our tutorial on PHP. In this tutorial guide, we are going to be studying about the PHP Ds\Pair::isEmpty() Function.
The built-in PHP Ds\Pair::isEmpty() function returns whether the pair is empty.
The built-in PHP Ds\Pair::isEmpty() function returns whether the pair is empty.
Syntax
Following below is the syntax to use this function -
public bool Ds\Pair::isEmpty( void )
Parameter Details
This built-in PHP function does not have any parameters.
Return Value
This PHP function returns TRUE if the pair is empty, otherwise FALSE.
Example1
Try out the following example below -
<?php $map = new \Ds\Map(["1" => "Web", "2" => "Design", "3" => "Tutorialz", "4" => "Nigeria"]); var_dump($map->isEmpty()); ?>
Example2
Try out the following example below -
<?php $map = new \Ds\Map(); var_dump($map->isEmpty()); ?>
Alright guys! This is where we are going to be rounding up for this tutorial post. In our next tutorial, we are going to be discussing about the Ds\Pair::jsonSerialize() Function in PHP.
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Thanks for reading and bye for now.