In the given PHP code snippet, what is the purpose of the "<META HTTP-EQUIV='refresh' CONTENT='0; URL=countries_add.php?fehler=1'>" line?

The "<META HTTP-EQUIV='refresh' CONTENT='0; URL=countries_add.php?fehler=1'>" line is used to automatically redirect the user to the "countries_add.php" page with an additional query parameter "fehler=1" after a certain delay specified in the "CONTENT" attribute. This is commonly used for redirection after a form submission or to handle error messages. 

&lt;?php
// Your PHP code here

// Redirect to countries_add.php after 0 seconds with error parameter
header(&quot;Refresh:0; url=countries_add.php?fehler=1&quot;);
exit;
?&gt;

Keywords

PHP META tag HTTP-EQUIV refresh URL

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