Which php version is better?

The current versions of the PHP language include the following:

Previous to PHP5.2: autoload, PDO and MySQLi, type constraints

PHP5.2: JSON support

PHP5.3: with deprecated features, anonymous functions, new magic methods, namespaces, late static binding, Heredoc and Nowdoc, const, ternary operator

PHP5.4: Short Open Tag, array abbreviation, Traits, built-in Web server, details modified

PHP5.5: yield, list() used for foreach, details modified

PHP5.6 : Constant enhancement, variable function parameters, namespace enhancement

PHP 7.0.2: Compared with PHP5.6, the performance has been improved a lot, and has many new features

Usually the PHP version The newer the better. For example, PHP 5.6 and 7.0 versions will be much faster than the following 5.3/5.2. However, some programs do not support the new version of PHP, so you can only choose stability and compatibility based on the website program. Best program ever. It is currently recommended to use the PHP5.3.X version. If the webmaster has higher performance requirements, he can choose the PHP5.6.X or even PHP7.0 version.

Although the overall performance of the PHP7.0 version is much higher than that of the PHP5. /5.4/5.6 versions are generally more stable.

This is the introduction of which PHP version has better stability. When the website CMS supports it, usually the higher the PHP version chosen, the better the stability and performance will be.

Recommended tutorial: PHP video tutorial

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