How can the contents of all POST variables be displayed to troubleshoot issues with data submission in PHP?

To troubleshoot issues with data submission in PHP, you can display the contents of all POST variables to see what data is being submitted. This can help identify any errors or missing data in the form submission process. 

// Display the contents of all POST variables
echo "<pre>";
print_r($_POST);
echo "</pre>";

Keywords

POST variables data submission troubleshooting PHP display

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