Why is my php_intl.dll Installation Failing, and How Can I Fix It?

Troubleshooting php_intl.dll Installation

When attempting to install the php_intl.dll extension, encountering difficulties is not uncommon. To address this issue, the following tips and procedures can be helpful:

Firstly, ensure that the necessary dynamic link libraries (DLLs) are available within a directory along with your PHP executable path. These DLLs are crucial for the proper functioning of the php_intl.dll extension:

• icudt36.dll
• icuin36.dll
• icuio36.dll
• icule36.dll
• iculx36.dll
• icutu36.dll
• icuuc36.dll

Typically, these DLLs are located in the PHP directory. However, it is crucial to check if this directory is included in your system's PATH variable. In default configurations, it is not.

To amend this, navigate to your system's Advanced System Settings (via the "Control Panel" or by pressing the "Windows key PAUSE"). Subsequently, select the Advanced tab (or Advanced System Settings in older Windows versions). Click on the "Environment Variables" button. Locate the "PATH" variable within the System Variables list and append the appropriate directory containing the DLLs. Remember that this directory needs to be part of the global path, not merely the user's path.

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