WordPress at a glance

wp_referer_field() WP 1.0

Retrieve or display referer hidden field for forms.

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.

No Hooks.

Return

String. Referer field HTML markup.

Usage

wp_referer_field( $echo );
$echo(true/false)
Whether to echo or return the referer field.
Default: true

Code of wp_referer_field: wp-includes/functions.php VER 4.9.8

<?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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