Yes, updating to the latest stable PHP version is generally safe and highly recommended, as long as your applications are compatible. New PHP releases often include critical security patches, performance improvements, and bug fixes that help protect your website from known vulnerabilities.
Before updating:
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Back up your entire website, including files and databases.
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If possible, test the update in a staging environment first to ensure everything works correctly before applying it to your live site.
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Check that your CMS, themes, and plugins support the PHP version you're upgrading to.
Taking these precautions helps ensure a smooth and safe upgrade.