How can the use of $HTTP_POST_VARS instead of $_POST lead to parse errors in PHP code?

Using $HTTP_POST_VARS instead of $_POST can lead to parse errors in PHP code because $HTTP_POST_VARS is a deprecated variable that is not supported in newer versions of PHP. To solve this issue, simply replace $HTTP_POST_VARS with $_POST in your code to ensure compatibility with current PHP versions. 

// Before fix
$value = $HTTP_POST_VARS['key'];

// After fix
$value = $_POST['key'];

Keywords

$HTTP_POST_VARS $_POST parse errors PHP code

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