What is the difference between a PHP interpreter and a PHP handler?

Here is the difference between a PHP interpreter and a PHP handler:

PHP Interpreter

• A PHP interpreter is a program that reads and executes PHP code directly.
• It takes PHP code as input, interprets it, and generates the output.
• The most popular PHP interpreter is the Zend Engine, which is used in the official PHP implementation.
• The interpreter compiles the PHP code into an internal format called opcodes, which are then executed by the engine.
• Examples of PHP interpreters include the Zend Engine, HHVM (HipHop Virtual Machine), and Phalanger.

PHP Handler

• A PHP handler is a module or extension that allows a web server to process PHP code.
• It is responsible for handling incoming HTTP requests and...