abc123

 Use second argument to return just 1 variable.
 parse_url() demo: 

   proto: http://
   user:  johndoe
   pass:  abc123
   host:  example.com
   port:  8080
   path:  index.html

abc123

 Use second argument to return just 1 variable.
 parse_url() demo: 

   proto: http://
   user:  johndoe
   pass:  abc123
   host:  example.com
   port:  8080
   path:  index.html

