{"id":14613,"date":"2025-05-22T12:26:47","date_gmt":"2025-05-22T10:26:47","guid":{"rendered":"https:\/\/xneelo.co.za\/insights\/?p=14613"},"modified":"2025-10-09T12:59:34","modified_gmt":"2025-10-09T10:59:34","slug":"whats-new-in-php-8-4","status":"publish","type":"post","link":"https:\/\/xneelo.co.za\/insights\/whats-new-in-php-8-4\/","title":{"rendered":"What\u2019s new in PHP 8.4?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/xneelo.co.za\/insights\/understanding-php-web-hosting\/\">PHP<\/a> is the engine that drives dynamic content on your website; it&#8217;s also constantly changing and improving, which is why you\u2019ll often see release notifications for updated versions.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">These updates provide better security and improved performance. <a href=\"https:\/\/www.php.net\/releases\/8.4\/en.php\">PHP 8.4 <\/a>is no different and this latest update includes many new features, such as:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Bug fixes and general cleanup<\/li>\n\n\n\n<li>Improved troubleshooting&nbsp;<\/li>\n\n\n\n<li>Clearer error messages<\/li>\n\n\n\n<li>Property hooks<\/li>\n\n\n\n<li>Asymmetric visibility<\/li>\n\n\n\n<li>Updated DOM API<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">You can read about the updates in detail <a href=\"https:\/\/www.php.net\/releases\/8.4\/en.php\">here<\/a>.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">While these changes exist at the code level, website owners should understand that each update includes essential security and stability improvements, code maintenance, and support resources. These updates help ensure that your website continues to perform optimally.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-how-to-prepare-for-your-php-upgrade\"><strong>How to prepare for your PHP upgrade<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Follow these steps to ensure a smooth transition to PHP 8.4:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Back up your website<\/strong><br>Always create a complete backup before making any significant changes.<\/li>\n\n\n\n<li><strong>Update WordPress<\/strong><br>Make sure you&#8217;re running the latest WordPress version.<\/li>\n\n\n\n<li><strong>Update plugins and themes<\/strong><br>Ensure all components are current and compatible with the latest PHP version.<\/li>\n\n\n\n<li><strong>Test in a staging environment<\/strong><br>If possible, perform the upgrade in a testing environment first.<\/li>\n\n\n\n<li><strong>Check compatibility<\/strong><br>Use tools like the <a href=\"https:\/\/xneelo.co.za\/help-centre\/control-panel\/php-compatibility-scanner\/\">PHP Compatibility <\/a>Scanner to identify potential issues before upgrading.<\/li>\n\n\n\n<li><strong>Upgrade your PHP version<\/strong><br>Change your PHP version <a href=\"https:\/\/xneelo.co.za\/help-centre\/control-panel\/how-to-upgrade-your-php-version-via-the-xneelo-control-panel\/\">in your xneelo Control Panel.<\/a><\/li>\n\n\n\n<li><strong>Test your live site<\/strong><br>After upgrading, thoroughly check all functionality.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-wordpress-compatibility-with-php-8-4\"><strong>WordPress compatibility with PHP 8.4<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">PHP 8.4 is compatible only with the latest version of WordPress. Before upgrading your PHP version, please ensure:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Your WordPress version installation is up-to-date<\/li>\n\n\n\n<li>Your plugins are compatible with PHP 8.4<\/li>\n\n\n\n<li>Your theme works with PHP 8.4<\/li>\n\n\n\n<li>You have a recent backup of your website<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Some older plugins or themes might not be compatible with PHP 8.4. Testing in a staging environment is strongly recommended before updating your live site.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Why upgrade to PHP 8.4 now?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">At xneelo, we update the version of PHP used on our servers to ensure the latest security and performance benefits are in use. Older versions can cause incompatibility issues with tools and frameworks and even security vulnerabilities.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/xneelo.co.za\/insights\/what-is-php-and-why-we-update-it-regularly\/\">Read more about how and why we update your PHP here.<\/a><\/p>\n","protected":false,"plain":"<!-- wp:paragraph -->\n<p><a href=\"https:\/\/xneelo.co.za\/insights\/understanding-php-web-hosting\/\">PHP<\/a> is the engine that drives dynamic content on your website; it's also constantly changing and improving, which is why you\u2019ll often see release notifications for updated versions.&nbsp;<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p>These updates provide better security and improved performance. <a href=\"https:\/\/www.php.net\/releases\/8.4\/en.php\">PHP 8.4 <\/a>is no different and this latest update includes many new features, such as:<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:list -->\n<ul class=\"wp-block-list\"><!-- wp:list-item -->\n<li>Bug fixes and general cleanup<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Improved troubleshooting&nbsp;<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Clearer error messages<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Property hooks<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Asymmetric visibility<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Updated DOM API<\/li>\n<!-- \/wp:list-item --><\/ul>\n<!-- \/wp:list -->\n\n<!-- wp:paragraph -->\n<p>You can read about the updates in detail <a href=\"https:\/\/www.php.net\/releases\/8.4\/en.php\">here<\/a>.&nbsp;<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p>While these changes exist at the code level, website owners should understand that each update includes essential security and stability improvements, code maintenance, and support resources. These updates help ensure that your website continues to perform optimally.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\" id=\"h-how-to-prepare-for-your-php-upgrade\"><strong>How to prepare for your PHP upgrade<\/strong><\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p>Follow these steps to ensure a smooth transition to PHP 8.4:<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:list {\"ordered\":true} -->\n<ol class=\"wp-block-list\"><!-- wp:list-item -->\n<li><strong>Back up your website<\/strong><br>Always create a complete backup before making any significant changes.<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li><strong>Update WordPress<\/strong><br>Make sure you're running the latest WordPress version.<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li><strong>Update plugins and themes<\/strong><br>Ensure all components are current and compatible with the latest PHP version.<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li><strong>Test in a staging environment<\/strong><br>If possible, perform the upgrade in a testing environment first.<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li><strong>Check compatibility<\/strong><br>Use tools like the <a href=\"https:\/\/xneelo.co.za\/help-centre\/control-panel\/php-compatibility-scanner\/\">PHP Compatibility <\/a>Scanner to identify potential issues before upgrading.<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li><strong>Upgrade your PHP version<\/strong><br>Change your PHP version <a href=\"https:\/\/xneelo.co.za\/help-centre\/control-panel\/how-to-upgrade-your-php-version-via-the-xneelo-control-panel\/\">in your xneelo Control Panel.<\/a><\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li><strong>Test your live site<\/strong><br>After upgrading, thoroughly check all functionality.<\/li>\n<!-- \/wp:list-item --><\/ol>\n<!-- \/wp:list -->\n\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\" id=\"h-wordpress-compatibility-with-php-8-4\"><strong>WordPress compatibility with PHP 8.4<\/strong><\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p>PHP 8.4 is compatible only with the latest version of WordPress. Before upgrading your PHP version, please ensure:<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:list {\"ordered\":true} -->\n<ol class=\"wp-block-list\"><!-- wp:list-item -->\n<li>Your WordPress version installation is up-to-date<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Your plugins are compatible with PHP 8.4<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Your theme works with PHP 8.4<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>You have a recent backup of your website<\/li>\n<!-- \/wp:list-item --><\/ol>\n<!-- \/wp:list -->\n\n<!-- wp:paragraph -->\n<p>Some older plugins or themes might not be compatible with PHP 8.4. Testing in a staging environment is strongly recommended before updating your live site.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\"><strong>Why upgrade to PHP 8.4 now?<\/strong><\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p>At xneelo, we update the version of PHP used on our servers to ensure the latest security and performance benefits are in use. Older versions can cause incompatibility issues with tools and frameworks and even security vulnerabilities.&nbsp;<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p><a href=\"https:\/\/xneelo.co.za\/insights\/what-is-php-and-why-we-update-it-regularly\/\">Read more about how and why we update your PHP here.<\/a><\/p>\n<!-- \/wp:paragraph -->"},"excerpt":{"rendered":"<p>PHP 8.4 offers many new features, including better security and improved performance.<\/p>\n","protected":false},"author":36,"featured_media":14616,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":true,"lsx_disable_title":"0","_searchwp_excluded":"","inline_featured_image":false,"footnotes":""},"categories":[1523],"tags":[6554,1991,2017],"content_group":[],"class_list":["post-14613","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-php","tag-security","tag-wordpress"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - 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