PHP | ReflectionParameter getDefaultValue() Function Last Updated : 23 Dec, 2019 Comments Improve Suggest changes Like Article Like Report The ReflectionParameter::getDefaultValue() function is an inbuilt function in PHP which is used to return the default value of the parameter for the specified user-defined function or method. Syntax: mixed ReflectionParameter::getDefaultValue ( void ) Parameters: This function does not accept any parameters. Return Value: This function returns the default value of the parameter for the specified user-defined function or method. Below programs illustrate the ReflectionParameter::getDefaultValue() function in PHP: Program 1: php <?php // Initializing a user-defined class Company1 class Company1 { function GFG($Full_Name = 'GeeksforGeeks'){} } // Initializing a subclass Company2 class Company2 extends Company1 { } // Using the ReflectionParameter over the above class $A = new ReflectionParameter(['Company2', 'GFG'], 0); // Calling the getDefaultValue() function $B = $A->getDefaultValue(); // Getting the default value of the parameter var_dump($B); ?> Output: string(13) "GeeksforGeeks" Program 2: php <?php // Initializing some user-defined classes class Department1 { function HR( $Full_Name = 'Human Resource'){} } class Department2 { function Coding( $Parameter2, $Par3 = 'Parameter3'){} } class Department3 { function Marketing( $Parameter4 = 'Digital Marketing', $Parameter5){} } // Using the ReflectionParameter over the above classes $A = new ReflectionParameter(['Department1', 'HR'], 0); $B = new ReflectionParameter(['Department2', 'Coding'], 1); $C = new ReflectionParameter(['Department3', 'Marketing'], 0); // Calling the getDefaultValue() function and // getting the default value of the parameter var_dump($A->getDefaultValue()); var_dump($B->getDefaultValue()); var_dump($C->getDefaultValue()); ?> Output: string(14) "Human Resource" string(10) "Parameter3" string(17) "Digital Marketing" Reference: https://www.php.net/manual/en/reflectionparameter.getdefaultvalue.php Comment More infoAdvertise with us Next Article PHP | ReflectionParameter getDefaultValue() Function K Kanchan_Ray Follow Improve Article Tags : Web Technologies PHP PHP-function PHP- Reflection Similar Reads 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 ac 2 min read PHP | ReflectionParameter isDefaultValueConstant() Function The ReflectionParameter::isDefaultValueConstant() function is an inbuilt function in PHP which is used to return TRUE if the default value is constant, and FALSE otherwise. Syntax: bool ReflectionParameter::isDefaultValueConstant ( void ) Parameters: This function does not accept any parameters. Ret 2 min read PHP | ReflectionParameter isDefaultValueAvailable() Function The ReflectionParameter::isDefaultValueAvailable() function is an inbuilt function in PHP which is used to return TRUE if a default value is available, otherwise FALSE Syntax: bool ReflectionParameter::isDefaultValueAvailable ( void ) Parameters: This function does not accept any parameters. Return 2 min read PHP | ReflectionParameter getType() Function The ReflectionParameter::getType() function is an inbuilt function in PHP which is used to return the type of the specified parameter. Syntax: ReflectionType ReflectionParameter::getType ( void ) Parameters: This function does not accept any parameters. Return Value: This function returns the type o 2 min read PHP | ReflectionParameter getName() Function The ReflectionParameter::getName() function is an inbuilt function in PHP which is used to return the name of the specified parameter. Syntax: string ReflectionParameter::getName ( void ) Parameters: This function does not accept any parameters. Return Value: This function returns the name of the sp 2 min read Like