What are the potential reasons for a PHP script working on localhost but not on a web server?

The potential reasons for a PHP script working on localhost but not on a web server could include differences in server configurations, file paths, or PHP versions. To troubleshoot this issue, ensure that all necessary files are properly uploaded to the web server, check for any server-specific configurations that may be affecting the script's functionality, and verify that the PHP version on the web server is compatible with the script. 

// Example code snippet to check for PHP version compatibility
if (version_compare(PHP_VERSION, '7.0.0') < 0) {
    echo "This script requires PHP 7.0.0 or higher to run.";
    exit;
}

Keywords

localhost web server PHP script configuration error_reporting

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