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# If a function can return a function, then a function can also take a function 
# as an argument

# Defining a function which we will pass as an argument to another function
def scream(word = 'yes'):
    return '%s!' %(word.upper())

# Function taking a function as argument
def do_something_before(func):
    

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# Script to show how functions can return functions

def get_talk(type = 'shout'):
    
    # We define some functions here on the fly.
    def shout(word = 'yes'):
	return '%s!' %(word.capitalize())
    
    def whisper(word = 'yes'):
	return '%s...' %(word.lower())

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# Script to show how to define functions inside functions and its scope

def talk():
    
    # We can define a function inside a function like this. In this case we define a
    # function whisper() inside the funtion talk()
    def whisper(word = 'yes'):
	return '%s...' %(word)

    # And we can use the function whisper right away inside the wrapping function

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# Script to show how functions are just objects

def shout(word = 'yes'):
    return '%s!' %(word.capitalize())

print shout() # Outputs: Yes!

scream = shout
# As functions are just objects, we can assign them just like a variable assignment

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<?php
$file_path = '/home/siddharthsaha/Desktop/production.html';
$data = array(
    'owner' => 'siddharth saha'
);
$request = new HttpRequest($url, HttpRequest::METH_POST);
$request->addPostFields($data); # Adding the data with the POST method
$request->addPostFile('test_file', $file_path); # The file has to be posted with a separate method.

$request->send();

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<?php

$url = 'http://localhost/tests/upload_file'; #URL for the service
$file_path = '/home/siddharthsaha/Desktop/production.html'; # File to be uploaded
$data = array(
    'owner' => 'siddharth saha',
    'test_file' => '@' . $file_path # For files, you have to append a @ before the filepath.
);

# Make the curl request exactly as in the POST example above.

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<?php

$url = 'http://localhost/tests/upload_file'; #URL for the service
$file_path = '/home/siddharthsaha/Desktop/production.html'; # File to be uploaded
$data = array(
    'owner' => 'siddharth saha',
    'test_file' => '@' . $file_path # For files, you have to append a @ before the filepath.
);

# Make the curl request exactly as in the POST example above.

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<?php
# Include Requests.php and autoload the internal classes
$data = array(
    'owner' => 'siddharth saha',
    'test_file' => '@' . $file_path # File name to be pre-pended with @
);
$response = Requests::request($url, array(), $data, Requests::POST);
if ($response->success) {
    $response = json_decode($response->body);
}

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<?php
# Include Requests.php and autoloader

$response = Requests::request($url, array(), $data, Requests::POST); # empty array for headers if you want to send any
if ($response->success) {
    $response = json_decode($response->body);
}
?>

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<?php
require_once('./requests/library/Requests.php'); # have to require this single file
Requests::register_autoloader(); # needed by Requests class to autoload internal classes

$response = Requests::request($url, array(), $data); # The empty array is for headers if you want to send any
if ($response->success) {
    $response = json_decode($response->body);
}
?>