wp_get_referer()
Retrieve referer from ‘_wp_http_referer’ or HTTP referer.
Description Description
If it’s the same as the current request URL, will return false.
Return Return
(false|string) False on failure. Referer URL on success.
Source Source
File: 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;
}
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Changelog Changelog
| Version | Description |
|---|---|
| 2.0.4 | Introduced. |
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Example
if ( wp_get_referer() ) { wp_safe_redirect( wp_get_referer() ); } else { wp_safe_redirect( get_home_url() ); }