Echo an $_POST in PHP

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独厮守ぢ
独厮守ぢ 2021-01-05 01:03

How can I print a $_POST?

Example:

echo $_POST[\'data\'];

This returns nothing...

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3条回答
  • 2021-01-05 01:54

    You can also wrap your code with <pre> tags to make your array prints out nicer instead of just 1 continuous line. A trick that was shown by a member on this site.

    <pre>
    <?php var_dump($_POST); ?>
    </pre>
    
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  • 2021-01-05 02:00

    Your code is correct.

    You can use either:

    var_dump($_POST);
    

    or

    print_r($_POST);
    

    to print out the entire POST array for debugging.

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  • 2021-01-05 02:00

    You can only show the values of keys that exist. array_keys() returns an array containing the keys that exist in the array. If there is no output for a key despite the fact that the key exists then the array may contain an empty value for that key.

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