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Sunday, November 20, 2022

[FIXED] How do I remove the URL protocol and slash from user input in PHP

 November 20, 2022     function, php, preg-replace     No comments   

Issue

Example user input

http://example.com/
http://example.com/topic/
http://example.com/topic/cars/
http://www.example.com/topic/questions/

I want a PHP function to make the output like

example.com
example.com/topic/
example.com/topic/cars/
www.example.com/topic/questions/

Solution

You should use an array of "disallowed" terms and use strpos and str_replace to dynamically remove them from the passed-in URL:

function remove_http($url) {
   $disallowed = array('http://', 'https://');
   foreach($disallowed as $d) {
      if(strpos($url, $d) === 0) {
         return str_replace($d, '', $url);
      }
   }
   return $url;
}


Answered By - Jacob Relkin
Answer Checked By - Senaida (PHPFixing Volunteer)
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