Hey, I hope this answer will help you...
Zend Framework (ZF) is an open source, object-oriented web application framework implemented in PHP 7 and licensed under the New BSD License. ... Zend Framework provides to users a support of the Model View Controller (MVC) in combination with Front Controller solution.
Zend Engine is used internally by PHP as a compiler and Runtime engine. PHP Scripts are loaded into memory and compiled into Zend opcodes. These opcodes are executed and the HTML generated is sent to the client. ... The interpreter part analyzes the input code, translates it, and executes it.
