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 class_exists() Function.
The built-in class_exists() function in PHP checks whether the given class have been defined. This PHP function returns TRUE if class_name is a defined class, otherwise it returns FALSE.
The built-in class_exists() function in PHP checks whether the given class have been defined. This PHP function returns TRUE if class_name is a defined class, otherwise it returns FALSE.
Syntax
Following below is the syntax to use this function -
class_exists ( $class_name [,$autoload] );
Parameter Details
Sr.No | Parameter & Description |
---|---|
1 | class_name(Required) The class name. |
2 | autoload(Optional) Whether to call __autoload or not by default. |
Return Value
This built-in PHP function returns true if the class_name is a defined class, otherwise it returns false.
Example
Try out the below example -
<?php if (class_exists('HelloWorld')) { $helloworld = new HelloWorld(); } ?>
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 PHP get_class_methods Function.
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Feel free to ask your questions where necessary and we 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.