What are common reasons for PHP installation issues on a web server?

Common reasons for PHP installation issues on a web server include missing PHP modules, incorrect configuration settings, and file permission problems. To solve these issues, ensure that all required PHP modules are installed, check and adjust PHP configuration settings as needed, and make sure that file permissions are correctly set for PHP files. 

// Example code snippet to check PHP modules
if (!extension_loaded('mysqli')) {
    echo 'The mysqli extension is not loaded.';
}

Keywords

PHP installation web server errors troubleshooting

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