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My site on IONOS is still running on PHP 5.4 and I need it moved to the latest stable PHP release available on the server (currently PHP 8.x). The installation is completely standard—no frameworks like WordPress or Laravel, no home-grown scripts to worry about, and no known security issues waiting to be patched—so the work is largely a straight migration and compatibility check. You will: • create a full backup of both files and database before touching anything • switch the hosting environment to the newest PHP version through the IONOS control panel or .htaccess, whichever is appropriate • resolve any deprecated function calls that may appear after the switch and confirm error-free operation • run basic functionality tests (forms, email sending, file uploads, etc.) to prove the site behaves exactly as it does now, only on PHP 8 • hand over the updated site along with a short change log and rollback plan Success is when the live site loads without warnings, errors, or broken styling while running on PHP 8.x, with all tests passed and the backup safely stored. SSH, SFTP and phpMyAdmin access can be granted as soon as we agree on a start time, and I’m ready to sign off the moment the site is stable.
Project ID: 40522302
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Hi, Are you looking for someone who can safely upgrade your PHP version without causing any issues? I can help with that! I will start by creating a complete backup of your files and database, ensuring everything is secure. Then, I’ll switch your hosting environment to PHP 8.x, and resolve any deprecated function calls that might arise during the process. I will perform essential functionality tests, like forms and file uploads, to ensure everything works seamlessly after the upgrade. You’ll receive the updated site, a change log, and a rollback plan for peace of mind. I aim for a smooth transition with no errors, warnings, or styling issues. I’ve been working with PHP for over 9 years and have extensive experience with migrations and compatibility checks. Let me know when you’d like to get started! Best Regards, Mohsin H
£30 GBP in 1 day
8.2
8.2
131 freelancers are bidding on average £26 GBP for this job

Hi, I can safely upgrade your site from PHP 5.4 to the latest PHP 8.x version on IONOS. I'll take a full backup first, switch the PHP environment, resolve any compatibility issues that appear, and thoroughly test forms, emails, uploads, and core functionality to ensure everything works exactly as before. I'll also provide a brief changelog and rollback plan once the site is stable.
£25 GBP in 1 day
9.2
9.2

With over 5 years of PHP migration experience, I understand the critical need to update your IONOS site to PHP 8.x for optimal performance. I will ensure a smooth transition by handling all aspects of the migration process, from creating comprehensive backups to resolving any post-switch deprecated function calls. My past projects on PHP upgrades have resulted in seamless transitions with minimal downtime. Question: Have you encountered any specific compatibility challenges during previous PHP updates? Regards, Yogesh Kumar
£10 GBP in 8 days
8.5
8.5

Hi there, I can see the hidden risk here: the real challenge isn’t just changing PHP versions, it’s making sure an older standard site survives the jump cleanly with no warnings, broken forms, or styling regressions. I’ve handled many PHP upgrade and compatibility jobs on shared hosting, including backup-first migrations, deprecated function fixes, and post-switch validation on live sites. I’ll start with a full files/database backup, move IONOS to the latest stable PHP 8.x option, then check the site for deprecated calls and test the key flows you mentioned, forms, email sending, uploads, and page rendering, before I hand back a short change log and rollback plan. I’ve shared an initial estimate based on your description, and once we go over a few technical or functional details, I’ll confirm the exact cost and delivery schedule. I’d like to confirm how the site sends mail today, whether the PHP switch is available directly in IONOS or needs .htaccess, and if there are any custom plugins or legacy includes hiding in the codebase. Looking forward to your reply so we can finalize the exact plan. Thanks, Asad
£20 GBP in 3 days
8.4
8.4

Hi, I can upgrade your site from PHP 5.4 to PHP 8.x with ease. First, I will create a full backup of your files and database to ensure safety. Then, I’ll switch the environment to the latest PHP version and check for any deprecated function calls that need addressing. After the switch, I’ll run functionality tests on forms, email, and uploads to ensure everything works perfectly, just as it does now. I’ll provide a change log and a rollback plan once everything is set up. With over 10+ years of experience in PHP, I am confident that I can execute this upgrade smoothly. Let me know when you’d like to get started! Best Regards, Priyanka
£20 GBP in 1 day
8.5
8.5

Hello, I will migrate your website from PHP 5.4 to 8.5 latest version, fix all compatible issues and check all forms. I will make sure 100% work properly. Looking forward to your reply to start this work immediately. I am available online for 8 - 10 hours per day as a full-time freelancer.
£20 GBP in 2 days
8.4
8.4

I have expertise in PHP version migrations, compatibility fixes, and IONOS hosting upgrades with zero-downtime deployments.
£100 GBP in 7 days
8.2
8.2

Hello, I see you need to migrate an existing website on IONOS from PHP 5.4 to PHP 8.x while ensuring the site continues to function exactly as it does today. With 10+ years of experience in PHP, server management, and website maintenance, I can safely handle the upgrade and resolve any compatibility issues. What I will handle: • Create a complete backup of files and database before any changes • Upgrade the hosting environment to the latest PHP version available on IONOS • Identify and fix deprecated PHP functions and compatibility issues • Test forms, email delivery, file uploads, and core website functionality • Verify that styling, layouts, and user experience remain unchanged • Provide a rollback plan and detailed change log after completion I have completed similar PHP upgrades for legacy websites and understand the common issues that arise when moving from PHP 5.x to PHP 8.x. Could you share the website URL and approximate size of the site so I can estimate the migration and testing time accurately? I am available to start immediately and can ensure a smooth, low-risk upgrade process. Best regards
£20 GBP in 3 days
8.1
8.1

Hi, I will carefully create a full backup of your files and database before upgrading your IONOS website from PHP 5.4 to the latest PHP 8.x version. I will switch the hosting environment, resolve any deprecated function calls, conduct functionality tests, and provide a comprehensive change log and rollback plan. Let's discuss further to ensure a successful migration. Regards, Sai Bhaskar
£20 GBP in 1 day
7.8
7.8

Hello, I can handle the PHP 5.4 → PHP 8.x migration on your IONOS hosting and ensure the site remains fully functional after the upgrade. My process: • Create complete backups of website files and database before making any changes • Review the current codebase for PHP 8 compatibility issues before switching versions • Upgrade the hosting environment to the latest stable PHP version available on IONOS • Identify and fix deprecated functions, syntax issues, and compatibility warnings introduced by PHP 8 • Verify forms, email functionality, file uploads, database connections, and key site features • Check for hidden errors in logs even if they are not visible on the frontend • Confirm the site loads correctly without warnings, styling issues, or broken functionality After completion, you'll receive: • Fully operational website running on PHP 8.x • Backup copies preserved for rollback if needed • Brief change log detailing modifications made • Clear rollback plan for additional safety I have experience upgrading legacy PHP applications and resolving compatibility issues that commonly appear when moving from PHP 5.x to modern PHP versions, ensuring a smooth transition without disrupting the live site. Ali Asif
£50 GBP in 1 day
7.6
7.6

Hi sir, I can manage share task in job summery with quality features and functions. I am expert self-motivated and hardworking PHP Developer and we can ensure complete customer satisfaction and 100% quality work. Let’s chat Thanks
£29 GBP in 1 day
7.8
7.8

Hello, I’d be happy to help you upgrade your IONOS website from PHP 5.4 to the latest PHP 8.x version. It sounds like a straightforward migration, and I appreciate that you’ve highlighted the lack of frameworks or custom scripts, which simplifies the process. With over 7+ years of experience in PHP and web development, I will start by creating a full backup of your files and database to ensure everything is secure. Then, I’ll switch the PHP version via the IONOS control panel or .htaccess, depending on what’s best for your setup. After that, I’ll address any deprecated function calls and perform thorough testing to ensure all site functionalities, like forms and email sending, operate smoothly. One question I have is if there are any specific functionalities or features on your site that you’d like me to pay extra attention to during testing. Best regards, Ivan Mandinski
£15 GBP in 2 days
7.6
7.6

hello sir, your website is using very old version of PHP. May I know your website name so that I can take a look then I wll tell you my final price. I am ready to upgrade. Thanks
£15 GBP in 3 days
7.3
7.3

★★★★★★ START NOW ★★★★★★ Message me so we talk in detail.. Hello, I can Upgrade IONOS Website PHP Version perfectly !! I placed bid after checking your requirements. If you want you can ask me any questions regarding your requirement. I'm interested in working on your project. And don't worry about work. First, check my work if you are happy Then pay me. Please let me know if you require any detailed information. Waiting for your reply. I hope you respond to me. Thanks Sunil
£15 GBP in 1 day
7.5
7.5

Hi, I understand your requirement and can handle this project with a clean, professional approach focused on performance and usability. I have 3+ years of experience working with HTML, PHP, and MySQL, delivering solutions that are reliable and easy to manage. For your project, I will ensure a smooth migration from PHP 5.4 to the latest stable PHP version, handling the backup and compatibility checks meticulously. One suggestion is to implement additional logging during the migration to monitor any potential issues immediately. I've worked on similar projects where I successfully upgraded PHP versions without any disruptions to the client’s services. I can complete this within a few days, pending your approval and access provisions. Quick question: Will you require a detailed report on the testing outcomes after the upgrade? Regards, Khurshid Ahmed
£25 GBP in 1 day
7.1
7.1

Hi, I can safely migrate your website from PHP 5.4 to PHP 8.x, create full backups, resolve compatibility issues, and thoroughly test all functionality before deployment. Can you please share the website URL so I can review the current setup before starting? I can start immediately and provide a smooth migration with a rollback plan and change log. Regards Saju
£18 GBP in 7 days
7.0
7.0

PHP 5.4 to 8.x is a big jump but very manageable on a standard site with no framework overhead — I've done this exact migration on IONOS multiple times. I'll start with a full backup of files and database, then grep the codebase for deprecated functions that break between versions — the usual culprits are `mysql_*` calls needing `mysqli_*` or PDO replacement, removed `ereg` functions, and changed default behaviors around string handling and error reporting. After fixing those, I'll switch the PHP version via the IONOS panel, test forms, email, uploads, and every user-facing page for warnings or broken behavior, and document every change with a rollback plan in case you ever need to revert. I can start as soon as you share access.
£10 GBP in 1 day
7.2
7.2

Hi, I am Wordpress,PHP programmer having 10 years of experience. I am very good in wordpress,php,mysql,joomla.
£35 GBP in 3 days
7.5
7.5

With over a decade of experience in web development and a strong command of both WordPress and PHP, I can confidently handle your project to upgrade your website's PHP version. I understand the importance of running the latest stable PHP release for both security and performance reasons, especially with no frameworks like Wordpress or Laravel to complicate the process. My deep familiarity with IONOS control panel and .htaccess will ensure that hosting environment switch to the newest PHP version will be done efficiently. My extensive experience in debugging and resolving deprecated function calls will guarantee smooth compatibility transition as I run basic functionality tests to ensure every aspect works seamlessly on PHP 8. You can relax and entrust me with your site's upgrade, as a backup plan will be established throughout the process to mitigate any potential risks. Choose me for this endeavor because my work is rooted in achieving 100% client satisfaction - your website will not only load smoothly on PHP 8.x but will also exhibit enhanced security and performance features that come with the upgrade. Let's start transitioning your platform without further hesitation; secure SSH, SFTP and phpMyAdmin access means I'm able to start right away! I'm excited by the prospect of collaborating with you and look forward to bringing your vision for your Website to life!
£10 GBP in 1 day
6.8
6.8

Hello, I can help migrate your website from PHP 5.4 to the latest PHP 8.x version available on your IONOS hosting while ensuring the site remains stable and fully functional. My approach will be: • Create a complete backup of files and database before any changes • Switch the hosting environment to PHP 8.x through IONOS • Identify and fix any deprecated PHP functions or compatibility issues • Test key functionality including forms, email sending, file uploads, and database operations • Verify there are no warnings, errors, or styling issues after migration • Provide a brief change log and rollback plan for safety Since the site is a standard PHP installation without a framework, this should be a straightforward migration, but I will still perform a thorough compatibility review before making the switch. I can start as soon as access is provided and will ensure the transition is completed with minimal downtime. Best regards, Rakesh
£20 GBP in 7 days
7.0
7.0

Hi! My name is Marjan and I'm here to offer you my services as a skilled applicant with over a decade of experience working on Freelancer.com. l believe I am the best fit candidate for this project due to my extensive experience; I would like to have a discussion to get to know that we both are on the same page. Once the scope will be locked, I will start working on it right away.
£150 GBP in 7 days
6.9
6.9

Hanwell, United Kingdom
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Member since Feb 24, 2014
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