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Description

Performs a safe (local) redirect, using wp_redirect().

Checks whether the $location is using an allowed host, if it has an absolute path. A plugin can therefore set or remove allowed host(s) to or from the list. If the host is not allowed, then the redirect defaults to wp-admin on the siteurl instead. This prevents malicious redirects which redirect to another host, but only used in a few places. Note: wp_safe_redirect() does not exit automatically, and should almost always be followed by a call to `exit;`:

• wp_safe_redirect( $url );
• exit;

Exiting can also be selectively manipulated by using wp_safe_redirect() as a conditional in conjunction with the wp_redirect and wp_redirect_status filters:

• if ( wp_safe_redirect( $url ) ) {
• exit;
• }

Usage

$bool = wp_safe_redirect( $location, $status, $x_redirect_by );

Parameters

$location

( string ) required – The path or URL to redirect to.

$status

( int ) optional default: 302 – Optional. HTTP response status code to use. Default '302' (Moved Temporarily).

$x_redirect_by

( string ) optional default: WordPress – Optional. The application doing the redirect. Default 'WordPress'.

Returns

bool False if the redirect was canceled, true otherwise.

Source

File name: wordpress/wp-includes/pluggable.php

  function wp_safe_redirect( $location, $status = 302, $x_redirect_by = 'WordPress' ) {

    // Need to look at the URL the way it will end up in wp_redirect().
    $location = wp_sanitize_redirect( $location );

    
/**
 * Filters the redirect fallback URL for when the provided redirect is not safe (local).
 *
 * @since 4.3.0
 *
 * @param string $fallback_url The fallback URL to use by default.
 * @param int    $status       The HTTP response status code to use.
 */
    $fallback_url = apply_filters( 'wp_safe_redirect_fallback', admin_url(), $status );

    $location = wp_validate_redirect( $location, $fallback_url );

    return wp_redirect( $location, $status, $x_redirect_by );
  }
 

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