<?php

echo file_get_contents("test.txt");

?>

file_get_contents() in php get content ของเว็บไซต์หรือไฟล์

<?php
    $homepage = file_get_contents('demo.txt');
    echo $homepage;
?>

<?php
    $homepage = file_get_contents('http://www.google.com/');
    echo $homepage;
?>

อื่นๆ

<?php
$opts = array(
  'http'=>array(
    'method'=>"GET",
    'header'=>"Accept-language: en\r\n" .
              "Cookie: foo=bar\r\n"
  )
);

$context = stream_context_create($opts);

/* Sends an http request to www.example.com
   with additional headers shown above */
$fp = fopen('http://www.example.com', 'r', false, $context);
fpassthru($fp);
fclose($fp);
?>