How can debugging techniques be utilized to troubleshoot issues related to strip_tags function not working as expected in PHP form processing?

Issue: If the strip_tags function is not working as expected in PHP form processing, it could be due to incorrect usage or unexpected input data. To troubleshoot this issue, check the input data being passed to the strip_tags function and ensure that it is formatted correctly. Additionally, verify that the function is being applied in the correct context within the form processing code.

// Example PHP code snippet to fix strip_tags function issue in form processing
$input_data = "<p>Hello, <b>World</b>!</p>";
$clean_data = strip_tags($input_data);
echo $clean_data;