通过SSH将HostGator服务器PHP从5.6升级到7.0后CodeIgniter报错

Hey there, let's tackle this issue you're running into. The error you're seeing is a classic extension compatibility mismatch, and it's totally fixable. Let's break it down step by step:

Why This Error Happens #

The core warning spells it out clearly: your SourceGuardian extension (a tool used to encrypt PHP code) was compiled specifically for PHP 5.6 (module API=20121212), but you're now running PHP 7.0 which uses a newer, incompatible module API (20151012). PHP requires extensions to match its API version exactly, so it can't load the old SourceGuardian module during startup—this is what's breaking your CodeIgniter app.

Solutions to Fix the Issue #

1. Disable SourceGuardian (If You Don't Need It) #

First, double-check if your CodeIgniter project actually relies on SourceGuardian-encrypted code. If it doesn't, you can simply turn off the extension:

• Log into your HostGator cPanel, then navigate to PHP Version Manager (or use File Manager to locate your PHP 7.0 php.ini file—common paths include /opt/php70/etc/php.ini or inside your public_html folder).
• Open the php.ini file and search for lines related to SourceGuardian, like extension=ixed.5.6.lin.
• Comment out that line by adding a ; at the start: ;extension=ixed.5.6.lin.
• Save the file and restart your PHP service (you can do this by switching to a different PHP version in cPanel and switching back, or reach out to HostGator support for a manual restart).

2. Install PHP 7.0-Compatible SourceGuardian (If You Need It) #

If your project uses SourceGuardian-encrypted code, you'll need the correct version of the extension for PHP 7.0:

• Download the SourceGuardian extension built for PHP 7.0 (make sure it's matched to your server's Linux OS, since HostGator uses Linux servers).
• Upload the new extension file (typically named ixed.7.0.lin) to your PHP 7.0 extension directory. To find this path, create a temporary PHP file with <?php phpinfo(); ?>, upload it to your server, and look for the extension_dir value in the output.
• Update your PHP 7.0 php.ini file: replace the old SourceGuardian line with extension=ixed.7.0.lin.
• Save the file and restart PHP, then test your CodeIgniter app to confirm it works.

3. Bonus: Verify CodeIgniter Compatibility #

While you're troubleshooting, make sure your CodeIgniter version supports PHP 7.0. CodeIgniter 3.x is fully compatible, but if you're still on version 2.x, you'll need to upgrade to 3.x to avoid other potential bugs with PHP 7.0.

If you hit any roadblocks, HostGator's support team can help with extension installation or php.ini edits—just send them a ticket explaining the issue.

内容的提问来源于stack exchange，提问作者Zakky