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PHP | ReflectionClass getExtension() Function

Last Updated : 30 Nov, 2019
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The ReflectionClass::getExtension() function is an inbuilt function in PHP which is used to return the ReflectionExtension object which represents the extension for the defined class, or NULL for the user-defined classes. Syntax:
ReflectionExtension ReflectionClass::getExtension( void )
Parameters: This function does not accept any parameters. Return Value: This function returns a ReflectionExtension object which represents the extension for the defined class, or NULL for the user-defined classes. Below programs illustrate the ReflectionClass::getExtension() function in PHP: Program 1:
Output:
NULL
Program 2:
Output:
object(ReflectionExtension)#2 (1) {
  ["name"]=>
  string(10) "Reflection"
}
Reference: https://www.php.net/manual/en/reflectionclass.getextension.php

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