wp_get_referer

Retrieve referer from '_wp_http_referer' or HTTP referer.

Description

(false|string) wp_get_referer();

If it's the same as the current request URL, will return false.

Returns (false|string)

False on failure. Referer URL on success.

Usage

if ( !function_exists( 'wp_get_referer' ) ) { 
    require_once ABSPATH . WPINC . '/functions.php'; 
} 
 
  
// NOTICE! Understand what this does before running. 
$result = wp_get_referer();

Defined (1)

The function is defined in the following location(s).

/wp-includes/functions.php

function wp_get_referer() { 
    if ( ! function_exists( 'wp_validate_redirect' ) ) { 
        return false; 
    } 
 
    $ref = wp_get_raw_referer(); 
 
    if ( $ref && $ref !== wp_unslash( $_SERVER['REQUEST_URI'] ) && $ref !== home_url() . wp_unslash( $_SERVER['REQUEST_URI'] ) ) { 
        return wp_validate_redirect( $ref, false ); 
    } 
 
    return false; 
}