Debugging your PHP code is necessary for creating an app that functions properly. To debug PHP code, the best available tool out there is Xdebug. This tool can be integrated with various IDEs, like VsCode for making debugging easier.
2. PHP Debugging Explained
• The best practice of developing a flawless app includes thorough
debugging.
• For debugging usually these commands are used: print_r(),
var_dump.
• These functions show you the correct output or errors / warnings in
case of code failure.
• Although this PHP debugging technique is basic, but it is still in use.
3. Error Logging in PHP
• To track errors in your code, you must enable error logging and
reporting in PHP
• You can enable / disable error logs from php.ini file.
• Another method to enable it is to include the conditions in the config
file.
4. Xdebug for PHP Debugging
• Xdebug is a PHP extension for PHP code debugging.
• It allows devs to add breakpoints and stop the code from running at
each breakpoint so they can check the variable output in each
iteration of the code.
5. Xdebug with VsCode
• Xdebug can be made part of your workflow by integrating it with IDEs,
like VsCode and others.
• VsCode makes debugging easy with its PHP Debug extension that can
be installed quickly and easily.