PHP (Hypertext Preprocessor) is a popular scripting language used for creating dynamic web pages. PHP is an integral part of most content management systems (CMS), including PrestaShop, a popular e-commerce platform.

PHP is a server-side scripting language, which means it is interpreted and executed on the server before the resulting HTML code is sent to the user's browser. This allows PHP to create dynamic, interactive web pages and applications.

The PHP version that your website or application runs on can usually be changed in your hosting management panel. Depending on your hosting provider, you may have access to different versions of PHP that you can easily switch between.

It's important to always use the latest stable versions of PHP. This is important for several reasons:

  • Security: New versions of PHP contain security updates that fix known vulnerabilities and bugs. Using older versions of PHP can expose your website to attacks.
  • Performance: New versions of PHP often contain performance enhancements that can speed up your website.
  • Compatibility: Many new versions of CMS, such as PrestaShop, require newer versions of PHP. Using the latest PHP version ensures that you can take advantage of the latest features and updates in PrestaShop.

When choosing the PHP version for your PrestaShop installation, it's important to know the requirements of different versions of PrestaShop. Below we present a compatibility table for several versions of PrestaShop:

Prestashop VersionSupported PHP versions
1.6 5.2 - 7.1
1.6.1.x 5.2 - 7.1
1.7.0 ~ 1.7.4 5.4 - 7.1
1.7.7.x 7.1 - 7.3
1.7.8 7.1 - 7.4
8.0 7.2.5 - 8.1

Remember, information on PHP versions for all PrestaShop versions is not always readily available. Therefore, it's always recommended to use the latest stable versions of PHP and PrestaShop for the best security and performance.

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