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Depending on opendir restrictions, when using absolute paths for templates, the following error may be thrown:
file_exists(): open_basedir restriction in effect. File(/views/templates/hook/displayContentWrapperTop.tpl) is not within the allowed path(s): (/var/webroot:/tmp:/usr/share/php:/usr/share/pear) in /var/webroot/classes/module/Module.php on line 2509
This pull request fixes the PHP warning described above that may arise when fetching a template HTML content.
Tested on PrestaShop 1.7.8.7 and 1.7.8.9.