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PHP Function class_exists()
Syntax
class_exists ( $class_name [,$autoload] );
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Definition and Usage
This function checks if the given class have been defined. Returns TRUE if class_name is a defined class, FALSE otherwise.
Paramters
Parameter | Description |
class_name | Required. The class name. |
autoload | Optional. Whether to call __autoload or not by default. |
Return Value
Returns TRUE if class_name is a defined class, FALSE otherwise.
Example
Following is the usage of this function:
<?php
if (class_exists('MyClass')) {
$myclass = new MyClass();
}
?>
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