PHP | ReflectionClass getInterfaceNames() Function Last Updated : 30 Nov, 2019 Summarize Comments Improve Suggest changes Share Like Article Like Report The ReflectionClass::getInterfaceNames() function is an inbuilt function in PHP which is used to return an array of interface names as values. Syntax: array ReflectionClass::getInterfaceNames( void ) Parameters: This function does not accept any parameters. Return Value: This function returns an array of interface names as values. Below programs illustrate the ReflectionClass::getInterfaceNames() function in PHP: Program 1: php <?php // Defining some interfaces interface Colleges { } interface Departments { } interface Students { } interface Companies { } // Initialising a class of Interfaces class Interfaces implements Colleges, Departments, Students, Companies { } // Using ReflectionClass over the class Interfaces $A = new ReflectionClass("Interfaces"); // Calling the getInterfaceNames() function $B = $A->getInterfaceNames(); // Getting the name of the specified Interfaces print_r($B); ?> Output: Array ( [0] => Colleges [1] => Departments [2] => Students [3] => Companies ) Program 2: php <?php // Using ReflectionClass $ReflectionClass = new ReflectionClass('ReflectionClass'); // Calling getInterfaceNames() functions $A = $ReflectionClass->getInterfaceNames(); // Getting the name of the interfaces var_dump($A); ?> Output: array(1) { [0]=> string(9) "Reflector" } Reference: https://www.php.net/manual/en/reflectionclass.getinterfacenames.php Comment More infoAdvertise with us Next Article PHP | ReflectionClass implementsInterface() Function K Kanchan_Ray Follow Improve Article Tags : Web Technologies PHP PHP-function PHP- ReflectionClass PHP- Reflection +1 More Similar Reads PHP | ReflectionClass getInterfaces() Function The ReflectionClass::getInterfaces() function is an inbuilt function in PHP which is used to return an associative array of interfaces. These returned array is containing keys as interface names and the array values as ReflectionClass objects. Syntax: array ReflectionClass::getInterfaces( void ) Par 2 min read PHP | ReflectionClass getTraitNames() Function The ReflectionClass::getTraitNames() function is an inbuilt function in PHP which is used to return an array of name of traits used by the user-defined class. Syntax: array ReflectionClass::getTraitNames( void ) Parameters: This function does not accept any parameters. Return Value: This function re 1 min read PHP | ReflectionClass isInterface() Function The ReflectionClass::isInterface() function is an inbuilt function in PHP which is used to check the specified class is an interface or not. Syntax: bool ReflectionClass::isInterface( void ) Parameters: This function does not accept any parameters. Return Value: This function returns TRUE if the spe 1 min read 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 1 min read PHP | ReflectionClass implementsInterface() Function The ReflectionClass::implementsInterface() function is an inbuilt function in PHP which is used to check the specified interface is present or not. Syntax: bool ReflectionClass::implementsInterface( string $interface ) Parameters: This function accepts a single parameter $interface which holds the s 2 min read PHP | ReflectionClass getConstants() Function The ReflectionClass::getConstants() function is an inbuilt function in PHP which is used to return an array of the specified constant names. Syntax: array ReflectionClass::getConstants( void ) Parameters: This function does not accept any parameter. Return Value: This function returns an array of th 2 min read Like