Monday, November 9, 2020

PHP | class_exists() Function

PHP class_exists() Function


Hello dear readers! welcome back to another edition of our tutorial on PHP. In this tutorial guide, we are going to be discussing about the PHP class_exists() Function.

The built-in class_exists() function checks whether the given class have been defined. It returns TRUE if class_name is a defined class, otherwise FALSE.

Syntax

Following below is the syntax to use this function -

class_exists ( $class_name [,$autoload] );

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Parameter Details

Sr.NoParameter & Description
1

class_name(Required)

The class name.

2

autoload(Optional)

Whether to call __autoload or not by default.


Return Value

This PHP function returns TRUE if the class_name is a defined class, otherwise FALSE.

Example

Try out the below example -

<?php
   if (class_exists('HelloWorld')) {
      $helloworld = new HelloWorld();
   }
?> 


Alright guys! This is where we are rounding up for this tutorial post. In our next tutorial guide, we are going to be discussing about PHP get_class_methods Functions.

Feel free to ask your questions where necessary and i will attend to them as soon as possible. If this tutorial was helpful to you, you can use the share button to share this tutorial.

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Thanks for reading and bye for now.
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