Zend Engine


Zend Engine - PHP engine. It first appeared in PHP 4, PHP 5 uses its later version, ie Zend Engine 2.

The Zend Engine consists of a source code compiler for bytecode and a virtual machine that executes this code. This breakthrough has enabled many free and commercial applications to run between these two stages. Zend Accelerator, eaccelerator and many more. The engine itself has very few built-in features, most of which are added with extensions. It is responsible for allocating and preserving memory, counting , garbage collection, etc.

The source code is available for free and is shared with the PHP source code.

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