In cases where a PHP script works on one hosting environment but not on another, what steps can be taken to troubleshoot and resolve compatibility issues effectively?

The issue may be due to differences in PHP versions, server configurations, or installed extensions between the two hosting environments. To troubleshoot and resolve compatibility issues effectively, you can start by checking the PHP version and configuration settings on both hosting environments. Make sure that all required extensions are installed and enabled. Additionally, review the error logs to identify any specific issues that may be causing the script to fail. 

// Check PHP version and configuration settings
echo phpversion();
phpinfo();

// Check for required extensions
if (!extension_loaded('mysqli')) {
    echo 'mysqli extension is not loaded';
}

// Review error logs
error_reporting(E_ALL);
ini_set('display_errors', 1);

// Your PHP script code here

Keywords

PHP hosting environment compatibility issues troubleshooting error types

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