In PrestaShop, the
_PS_VERSION_ constant is defined in the
config/defines.inc.php file, which is located in the root directory of your PrestaShop installation. This constant stores the version number of the PrestaShop software you are using.
The definition of
_PS_VERSION_ typically looks like this:
The actual version number may vary depending on the version of PrestaShop you have installed.
You can find the version of your PrestaShop installation by looking for this constant in the
defines.inc.php file or by checking the “Back Office” (admin panel) of your PrestaShop store, as the version number is often displayed there as well. It’s essential to know your PrestaShop version for compatibility, support, and security reasons.