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taras/redirect-to-www.php

Forked from mikeschinkel/redirect-to-www.php
Last active July 13, 2016 19:07
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MU-Plugin for WordPress to redirect from non-www to www domain
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redirect-to-www.php
<?php
if ( ! preg_match( '#wp-json#', $_SERVER['REQUEST_URI'] ) && ! preg_match( '#wp-content#', $_SERVER['REQUEST_URI'] ) && ! preg_match( '#^www.#', $_SERVER['HTTP_HOST'] ) ) {
$https = 443 === $_SERVER['SERVER_PORT'] ? 's' : '';
header( "Location: http{$https}://www.{$_SERVER['HTTP_HOST']}", true, 301 );
die();
}
@mikeschinkel
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You can collapse the first line down to this:

if ( ! preg_match( '#wp-(json|content)#', $_SERVER['REQUEST_URI'] )  && ! preg_match( '#^www.#', $_SERVER['HTTP_HOST'] ) ) {

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