PHP | ReflectionClass getFileName() Function

The ReflectionClass::getFileName() function is an inbuilt function in PHP which is used to return the filename of the file in which the class has been defined or returns false if the file is not found.

Syntax:

string ReflectionClass::getFileName( void )

Parameters: This function does not accept any parameters.

Return Value: This function returns the filename of the file in which the class has been defined or returns false if the file is not found.

Below programs illustrate the ReflectionClass::getFileName() function in PHP:



Program 1:

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<?php
   
// Defining a user-defined class
// named as Departments
class Departments {
    static $Dept1 = 'CSE';
    private static $Dept2 = 'ECE';
    public static $Dept3 = 'EE';
}
   
// Using ReflectionClass over the class Departments
$ReflectionClass = new ReflectionClass('Departments');
   
// Calling getFileName() functions
$A = $ReflectionClass->getFileName();
   
// Getting the name of the file 
// in which the class has been defined
var_dump($A);
?>

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Output:

string(23) "C:\xampp\htdocs\gfg.php"

Program 2:

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<?php
   
// Using ReflectionClass 
$ReflectionClass = new ReflectionClass('ReflectionClass');
   
// Calling getFileName() functions
$A = $ReflectionClass->getFileName();
   
// Getting the name of the file 
// in which the class has been defined
var_dump($A);
?>

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Output:

bool(false)

Reference: https://www.php.net/manual/en/reflectionclass.getfilename.php




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