How can PHP developers effectively troubleshoot and debug errors like the one described in the thread?

Issue: The error described in the thread is likely caused by a syntax error in the PHP code, such as missing a semicolon or using incorrect variable names. To troubleshoot and debug this error, PHP developers can use tools like error reporting, logging, and debugging tools to identify the specific line of code causing the issue.

// Example PHP code snippet to troubleshoot and debug errors
error_reporting(E_ALL);
ini_set('display_errors', 1);

// Your PHP code here
$variable = 'Hello, world';
echo $variable;