Why is My Php-intl Extension Not Showing Up After Installation on XAMPP?

Troubleshooting Php-intl Installation on XAMPP

Problem Description:

Installing and activating the intl extension on XAMPP for Mac OS X is proving challenging. Despite following the steps outlined in various tutorials, the php -m | grep intl command still returns an empty result, indicating that the extension is not installed.

Diagnostic and Solution:

To address this issue, a series of steps are recommended:

1. Verify PHP Path: Ensure that the correct PHP path is set. If using XAMPP, it should point to /Applications/XAMPP/xamppfiles/bin/php.
2. Install ICU4C: Using the Homebrew package manager, install ICU4C with the command brew install icu4c.

3. Install Intl Pecl: Update the Pecl channels and install the intl extension using the following commands:

   root$: sudo pecl update-channels
   root$: sudo pecl install intl 

4. Uncomment intl.so: In the /Applications/XAMPP/xamppfiles/etc/php.ini file, add or uncomment the line extension=intl.so.
5. Restart Apache: Restart the Apache server for the changes to take effect.

Additional Notes:

• Autoconf may need to be installed prior to installing intl. This can be done using Homebrew (brew install autoconf automake) or by running the commands provided in the specified answer.
• If the issue persists, consider checking for any php.ini overrides or other potential conflicts.

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