What debugging techniques can be employed in PHP, such as using echo statements or debuggers, to troubleshoot code that is not functioning as expected?

Issue: When troubleshooting PHP code that is not functioning as expected, you can employ various debugging techniques such as using echo statements to output variable values or using debuggers like Xdebug to step through the code line by line. PHP Code Snippet: 

// Example code snippet with echo statements for debugging
$variable1 = 10;
$variable2 = 20;

echo "Value of variable1: " . $variable1 . "<br>";
echo "Value of variable2: " . $variable2 . "<br>";

// Example code snippet using Xdebug debugger
// Install Xdebug extension and configure it in php.ini file
// Set breakpoints in your code and run it in debug mode to step through the code

Keywords

echo statements debuggers PHP debugging techniques troubleshooting code malfunction

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