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PHP | ReflectionClass getStartLine() Function

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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

Last Updated : 30 Nov, 2019
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