Not working : Using file_get_contents to post data - php

Question

I am learning and I am trying post data to 4.php and get the result to printed on range.php.. I have already seen the How to post data in PHP using file_get_contents?
<?php
error_reporting(-1);
$postdata = http_build_query(
array('var1' => 'sugumar',
'var2' => 'doh')
);
$opts = array('http'=>array(
'method'=>'post',
'header'=> 'Content-Type: application/x-www-form-urlencoded',
'content'=> $postdata
)
);
$context = stream_context_create($opts);
$result = file_get_contents('http://localhost/php/4.php', false, $context);
print_r($result);//DOESN'T PRINT ANYTHING
?>
4.php
print_r($_REQUST);
$postdata = http_build_query($_POST);
print_r($postdata);
I want to know why it's not printing anything... please help me..

Answer 1

I have updated your code using code from the PHP manual and changes like adding PHP tags to 4.php and fixing typo in $_REQUEST.
Here is the updated code, which seems to be working for me:
<?php
$data = array ('foo' => 'bar', 'bar' => 'baz');
$data = http_build_query($data);
$context_options = array (
'http' => array (
'method' => 'POST',
'header'=> "Content-type: application/x-www-form-urlencoded\r\n"
. "Content-Length: " . strlen($data) . "\r\n",
'content' => $data
)
);
$context = stream_context_create($context_options);
$result = file_get_contents('http://localhost/php/4.php', false, $context);
var_dump($result);//prints something :)
?>
4.php
<?php
print_r($_REQUEST);
$postdata = http_build_query($_POST);
print_r($postdata);