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HomeBackend DevelopmentPHP ProblemWhich version of PHP is better and more stable?

Often webmasters ask me which version of PHP is better when setting up the environment? Which version is more stable? Here Huoduan Network expresses its views.

Generally speaking, the newer the version, the better. For example, PHP5.6/7.0 is much faster than the previous 5.3/5.2, but many programs do not support the new PHP version. At this time, it depends on your program, if you want to be compatible with more programs, it is recommended to use PHP5.3.X version. If you want to pursue higher performance, PHP5.6.X or even PHP7.0 is recommended.

From the perspective of website development, the higher the PHP version, the better. After all, the new version has improved in all aspects. For example, many people’s functional calculation tests of PHP7.0 are more than 3 times faster than 5.X. , but many well-known domestic CMS cannot perfectly support PHP7.0, and many virtual hosts only support 5.2/5.3/5.4, making 7.0 difficult to popularize.

This site is currently using PHP5.6.18. Since there are other programs on the server that use a certain PHP framework, they are not perfectly compatible with PHP7.0, so we have to give up upgrading to 7.0.

PHP language is one of the most used open source scripting languages ​​at present. Many websites will choose to change the language for construction. Since there are many versions of PHP language, webmasters often ask Which PHP version is stable? Sex is Better for consultation, and then the editor will analyze this issue for everyone.

Webmasters who know about American hosts all know that American hosts support the use of PHP language to build websites, especially Linux. Its compatibility with PHP language is better than Windows hosts, so the website built The stability is also improved.

The current versions of the PHP language include the following:

Before PHP5.2: autoload, PDO and MySQLi, type constraints

PHP5.2: JSON support

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

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

PHP5.5: yield, list() is 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 greatly improved, and it has many new features.

Usually, the newer the PHP version, the better. For example, PHP5.6 and 7.0 versions will be much faster than the following 5.3/5.2, but some programs do not support the new version of PHP, so Only choose the program with the best stability and compatibility based on the website program. 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 learning: php video tutorial

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