What are common issues users face when trying to install Pear packages in PHP?

Common issues users face when trying to install Pear packages in PHP include outdated Pear installation, missing dependencies, and permission errors. To solve these issues, users can update their Pear installation using the command `pear upgrade pear`, install any missing dependencies with `pear install <package_name>`, and ensure proper permissions are set for the Pear installation directory.

// Update Pear installation
shell_exec(&#039;pear upgrade pear&#039;);

// Install missing dependencies
shell_exec(&#039;pear install &lt;package_name&gt;&#039;);

// Set proper permissions for Pear installation directory
// Replace &#039;/path/to/pear&#039; with the actual path to the Pear installation directory
shell_exec(&#039;chmod -R 755 /path/to/pear&#039;);