Snippet to check username / password against a text file

<? 
   // file where there's on each line a username|password 
   $data = file('path/to/file.txt'); // read the file 
    
   for($x = 0; $x < count($data); $x++){
       $parts = explode('|',$data[$x]); 
       $name_check = strpos($parts[0],$_POST['name']); 
       if($name_check === true){ 
            $name = 1; 
       }
       else{ 
            $name = 0; 
       }
 
       $pass_check = strpos($parts[1],$_POST['password']); 
       if($pass_check === true){ 
            $pass = 1; 
       }
       else{ 
            $pass = 0; 
       } 
       
       if($name == 1 && $pass == 1){ 
           echo 'hello '.$_POST['name']; 
       } 
   }   
?>