PHP | ReflectionClass getStartLine() Function

The ReflectionClass::getStartLine() function is an inbuilt function in PHP which is used to return the line number from where the user defined class get started.

Syntax:

int ReflectionClass::getStartLine( void )

Parameters: This function does not accept any parameters.

Return Value: This function returns the line number from where the user defined class get started.

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

Program 1:

<?php

// Defining a class named as Departments
class Departments {}

// Using ReflectionClass over the class Departments
$ReflectionClass = new ReflectionClass('Departments');

// Calling getStartLine() functions
$A = $ReflectionClass->getStartLine();

// Getting the start line number of
// the specified class
var_dump($A);
?>

Output:

int(4)

Program 2:

<?php

// Defining a 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 getStartLine() functions
$A = $ReflectionClass->getStartLine();

// Getting the start line number of
// the specified class
var_dump($A);
?>

Output:

int(4)

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