Php 5 and php 7

The performance of PHP 7 and PHP 5 is a major difference. Supposing that you have written a PHP code in PHP 5, if you run the same code in both the versions, the performance of PHP 7 will be significantly higher than PHP 5. PHP is powered by Zend engine even since the release of PHP 4. PHP 5 uses Zend II but PHP 7 uses a brand new model of engine called PHP-NG or Next Generation. This new PHPNG engine improves the performance as much as twice with optimized memory usage. This has been proved by the benchmark provided by the company. As a matter of fact, the new engine requires fewer servers to serve the same number of users as before.

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