Php www to non www redirect

$url = $_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI'];

if (preg_match('/www./', $url)){

  $url = str_replace('www.','https://', $url);

  header( "HTTP/1.1 301 Moved Permanently" );
  header( 'Location: ' . $url );
  exit;
}

Similar codes

40 votes176 views6 answers
Php remove last character from string
PHP
1 vote179 views1 answer
Generate a unique id
PHP
0 vote294 views1 answer
Form mvc php
PHP
0 vote199 views1 answer
Show dot dot after some words php
PHP
12 votes182 views2 answers
Php while loop array
PHP
0 vote182 views1 answer
$tmpmembershipfee = MembershipFee::orderBy('created_at','DESC') ->first();
PHP
0 vote203 views1 answer
Laravel vue browser cache auto clear
PHP Laravel
0 vote164 views4 answers
How to redirect to another page after login in laravel
PHP
18 votes220 views6 answers
Install laravel auth
PHP Laravel
2 votes184 views3 answers
Reset array keys php
PHP