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curl's Introduction

curl

A basic CURL wrapper for PHP (see http://php.net/curl for more information about the libcurl extension for PHP)

The reason for this fork is to add support for getting the original request object. This allows us to check for http headers.

The library is in active use for the crawler on https://foderpriser.dk and [https://fyringsolie-online.dk](Fyringsolie online)

Installation

Click the download link above or git clone [email protected]:veqryn/curl.git

To install into your project, add these lines to your composer.json:

"require": {
    "veqryn/curl": "*"
}

Usage

Initialization

Simply require and initialize the Curl class like so:

require_once('vendor/autoload.php');

use veqryn\Curl\Curl;
use veqryn\Curl\CurlResponse;
use veqryn\Curl\CurlException;

// ...

$curl = new Curl();

Performing a Request

The Curl object supports 5 types of requests: HEAD, GET, POST, PUT, and DELETE. You must specify a url to request and optionally specify an associative array or string of variables to send along with it.

$response = $curl->head($url, $vars = array());
$response = $curl->get($url, $vars = array()); # The Curl object will append the array of $vars to the $url as a query string
$response = $curl->post($url, $vars = array());
$response = $curl->put($url, $vars = array());
$response = $curl->delete($url, $vars = array());

To use a custom request methods, you can call the request method:

$response = $curl->request('YOUR_CUSTOM_REQUEST_TYPE', $url, $vars = array());

All of the built in request methods like put and get simply wrap the request method. For example, the post method is implemented like:

public function post($url, $vars = array(), $enctype = null) {
        return $this->request('POST', $url, $vars, $enctype);
    }

Examples:

$response = $curl->get('google.com?q=test');

# The Curl object will append '&some_variable=some_value' to the url
$response = $curl->get('google.com?q=test', array('some_variable' => 'some_value'));

$response = $curl->post('test.com/posts', array('title' => 'Test', 'body' => 'This is a test'));

All requests return a CurlResponse object (see below) or throw a CurlException if an error occurred. You can access the error string with the $curl->error() method.

The CurlResponse Object

A normal CURL request will return the headers and the body in one response string. This class parses the two and places them into separate properties.

For example

$response = $curl->get('google.com');
echo $response->body; # A string containing everything in the response except for the headers
print_r($response->headers); # An associative array containing the response headers

Which would display something like

<html>
<head>
<title>Google.com</title>
</head>
<body>
Some more html...
</body>
</html>

Array
(
    [Http-Version] => 1.0
    [Status-Code] => 200
    [Status] => 200 OK
    [Cache-Control] => private
    [Content-Type] => text/html; charset=ISO-8859-1
    [Date] => Wed, 07 May 2008 21:43:48 GMT
    [Server] => gws
    [Connection] => close
)

The CurlResponse class defines the magic __toString() method which will return the response body, so echo $response is the same as echo $response->body

Cookie Sessions

By default, cookies will be stored in a file called curl_cookie.txt. You can change this file's name by setting it like this

$curl->cookie_file = 'some_other_filename';

This allows you to maintain a session across requests

Basic Configuration Options

You can easily set the referer or user-agent

$curl->referer = 'http://google.com';
$curl->user_agent = 'some user agent string';

You may even set these headers manually if you wish (see below)

Setting Custom Headers

You can set custom headers to send with the request

$curl->headers['Host'] = 12.345.678.90;
$curl->headers['Some-Custom-Header'] = 'Some Custom Value';

Setting Custom CURL request options

By default, the Curl object will follow redirects. You can disable this by setting:

$curl->follow_redirects = false;

You can set/override many different options for CURL requests (see the curl_setopt documentation for a list of them)

# any of these will work
$curl->options['AUTOREFERER'] = true;
$curl->options['autoreferer'] = true;
$curl->options['CURLOPT_AUTOREFERER'] = true;
$curl->options['curlopt_autoreferer'] = true;

Testing

Uses phpunit. Simply run phpunit in the 'test' directory. Example on linux (assuming php is on your path):

cd <project_root_dir>/test
../vendor/bin/phpunit

Contact

Problems, comments, and suggestions all welcome: [email protected] and/or VEQRYN [at] hotmail dot com

curl's People

Contributors

shuber avatar weppos avatar veqryn avatar hamstar avatar tegansnyder avatar kendallhopkins avatar xsist10 avatar bjeavons avatar josiah avatar jdeper avatar

Watchers

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