PHP ssh2 extension Error "Unable to load dynamic library 'php_ssh2.dll'

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If you encounter the error "Unable to load dynamic library 'php_ssh2.dll'" when trying to use the PHP ssh2 extension, it typically indicates that the extension is not properly installed or enabled in your PHP configuration. To resolve this issue, you can follow these steps:

  1. Ensure that the ssh2 extension is installed:

    • Verify that the ssh2 extension is installed on your system. You may need to install it if it's missing.
    • The ssh2 extension requires libssh2 library to be installed on the system as well.
    • Refer to the documentation or package manager of your operating system to install the necessary dependencies.

  2. Locate the correct php.ini file:

    • Find the php.ini file used by your PHP installation. The location of the file can vary depending on your operating system and PHP configuration.
    • The php.ini file contains the configuration settings for PHP.

  3. Enable the ssh2 extension in php.ini:

    • Open the php.ini file with a text editor.
    • Search for the line that begins with "extension=" (without quotes).
    • Uncomment (remove the semicolon) the line extension=ssh2 if it exists, or add it if it's missing.
    • Save the changes and close the php.ini file.

  4. Restart the web server:

    • Restart the web server or the PHP service to apply the changes made to the php.ini file.
    • This step ensures that the php_ssh2.dll library is loaded properly.

After following these steps, the "Unable to load dynamic library 'php_ssh2.dll'" error should no longer occur. You should be able to use the ssh2 extension in your PHP code without any issues.

Remember to verify that the ssh2 extension is compatible with your PHP version and the operating system you are using. Additionally, consult the documentation and resources specific to your PHP installation and operating system for further guidance on installing and enabling PHP extensions.