wp_redirect() WP 1.0

Redirects to another page.

Note: wp_redirect() does not exit automatically, and should almost always be followed by a call to exit;:

wp_redirect( $url );
exit;

Exiting can also be selectively manipulated by using wp_redirect() as a conditional in conjunction with the 'wp_redirect' and {@see 'wp_redirect_location'} filters:

if ( wp_redirect( $url ) ) {
	exit;
}

Return

true/false. False if the redirect was cancelled, true otherwise.

Usage

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

$location(string) (required)

The path or URL to redirect to.

$status(int)

HTTP response status code to use. (Moved Temporarily).
Default: '302'

$x_redirect_by(string)

The application doing the redirect.
Default: 'WordPress'

Notes

• Global. true/false. $is_IIS

Changelog

Code of wp redirect: wp-includes/pluggable.php ^{WP 5.4.2}

<?php
function wp_redirect( $location, $status = 302, $x_redirect_by = 'WordPress' ) {
	global $is_IIS;

	/**
	 * Filters the redirect location.
	 *
	 * @since 2.1.0
	 *
	 * @param string $location The path or URL to redirect to.
	 * @param int    $status   The HTTP response status code to use.
	 */
	$location = apply_filters( 'wp_redirect', $location, $status );

	/**
	 * Filters the redirect HTTP response status code to use.
	 *
	 * @since 2.3.0
	 *
	 * @param int    $status   The HTTP response status code to use.
	 * @param string $location The path or URL to redirect to.
	 */
	$status = apply_filters( 'wp_redirect_status', $status, $location );

	if ( ! $location ) {
		return false;
	}

	if ( $status < 300 || 399 < $status ) {
		wp_die( __( 'HTTP redirect status code must be a redirection code, 3xx.' ) );
	}

	$location = wp_sanitize_redirect( $location );

	if ( ! $is_IIS && PHP_SAPI != 'cgi-fcgi' ) {
		status_header( $status ); // This causes problems on IIS and some FastCGI setups.
	}

	/**
	 * Filters the X-Redirect-By header.
	 *
	 * Allows applications to identify themselves when they're doing a redirect.
	 *
	 * @since 5.1.0
	 *
	 * @param string $x_redirect_by The application doing the redirect.
	 * @param int    $status        Status code to use.
	 * @param string $location      The path to redirect to.
	 */
	$x_redirect_by = apply_filters( 'x_redirect_by', $x_redirect_by, $status, $location );
	if ( is_string( $x_redirect_by ) ) {
		header( "X-Redirect-By: $x_redirect_by" );
	}

	header( "Location: $location", true, $status );

	return true;
}

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