Fix http host port for Wordpress #tags: WordPress

functions.php

<?php

add_action('init', function () {
	if(!empty($_SERVER['HTTP_HOST']) && substr($_SERVER['HTTP_HOST'],-3)==':80')
    $_SERVER['HTTP_HOST'] =  substr($_SERVER['HTTP_HOST'],0,-3);

	if(!empty($_SERVER['HTTP_X_FORWARDED_HOST']) && substr($_SERVER['HTTP_X_FORWARDED_HOST'],-3)==':80')
	    $_SERVER['HTTP_X_FORWARDED_HOST'] =  substr($_SERVER['HTTP_X_FORWARDED_HOST'],0,-3);
}, 1);