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Difference between revisions of "Function.add form key"

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Latest revision as of 05:14, 15 March 2010

add_form_key -- Add a secret token to the form.

Description

  1. void add_form_key (String $form_name)

This functions adds a secret token to any form, a token which should be checked after submission with the check_form_key function to ensure that the received data is the same as the submitted.

Note: This function expects that the {S_FORM_TOKEN} template variable is present in the template file being used!

Parameters

Parameter Usage
form_name The name of the form; has to match the name used in check_form_key, otherwise no restrictions apply.

Examples

Example #1 Add a form token

To add the form token you only have to call the function.

$form_key 'my_form';
add_form_key($form_key);

Example #2 Usage with check_form_key

Basic add_form_key usage with the check_form_key function.

$form_key 'my_form';
add_form_key($form_key);

if (!
check_form_key($form_key))
{
    
$errors[] = $user->lang['FORM_INVALID'];
}

See Also

check_form_key