wp_referer_field() WordPress Function
The wp_referer_field function is used to create a hidden form field with the current URL of the page. This is used to help prevent spam by allowing WordPress to know where a form submission came from.
wp_referer_field( bool $echo = true ) #
Retrieve or display referer hidden field for forms.
Description
The referer link is the current Request URI from the server super global. The input name is ‘_wp_http_referer’, in case you wanted to check manually.
Parameters
- $echo
(bool)(Optional) Whether to echo or return the referer field.
Default value: true
Return
(string) Referer field HTML markup.
Source
File: wp-includes/functions.php
function wp_referer_field( $echo = true ) {
$referer_field = '<input type="hidden" name="_wp_http_referer" value="' . esc_attr( wp_unslash( $_SERVER['REQUEST_URI'] ) ) . '" />';
if ( $echo ) {
echo $referer_field;
}
return $referer_field;
}
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Changelog
| Version | Description |
|---|---|
| 2.0.4 | Introduced. |