PHP | ReflectionParameter getDefaultValueConstantName() Function
The ReflectionParameter::getDefaultValueConstantName() function is an inbuilt function in PHP which is used to return the default value’s constant name if default value is constant or null.
Syntax:
string ReflectionParameter::getDefaultValueConstantName ( void )
Parameters: This function does not accept any parameters.
Return Value: This function returns the default value’s constant name if default value is constant or null.
Below programs illustrate the ReflectionParameter::getDefaultValueConstantName() function in PHP:
Program 1:
<?php
class Company1
{
function GFG( $Full_Name = GeeksforGeeks){}
}
class Company2 extends Company1
{
}
$A = new ReflectionParameter([ 'Company2' , 'GFG' ], 0);
$B = $A ->getDefaultValueConstantName();
var_dump( $B );
?>
|
Output:
string(13) "GeeksforGeeks"
Program 2:
<?php
class Department1
{
function HR( $Full_Name = Human_Resource){}
}
class Department2
{
function Coding( $Parameter2 , $Par3 = Parameter3){}
}
class Department3
{
function Marketing( $Parameter4 = Digital_Marketing, $Parameter5 ){}
}
$A = new ReflectionParameter([ 'Department1' , 'HR' ], 0);
$B = new ReflectionParameter([ 'Department2' , 'Coding' ], 1);
$C = new ReflectionParameter([ 'Department3' , 'Marketing' ], 0);
var_dump( $A ->getDefaultValueConstantName());
var_dump( $B ->getDefaultValueConstantName());
var_dump( $C ->getDefaultValueConstantName());
?>
|
Output:
string(14) "Human_Resource"
string(10) "Parameter3"
string(17) "Digital_Marketing"
Reference: https://www.php.net/manual/en/reflectionparameter.getdefaultvalueconstantname.php
Last Updated :
23 Dec, 2019
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