<?php

function test_it($uri)
{
	//$handle = curl_init($uri);
	$handle = curl_init();
	curl_setopt( $handle, CURLOPT_URL, $uri);
	$theHeaders = '';
	
	#
	# The number of seconds to wait while trying to connect. Use 0 to wait indefinitely.
	# {in WP $timeout }
	curl_setopt( $handle, CURLOPT_CONNECTTIMEOUT, 5000);
	
	#
	# The maximum number of seconds to allow cURL functions to execute.
	# {in WP treated as the same as $timeout }
	curl_setopt( $handle, CURLOPT_TIMEOUT, 5000);
	
	#
	# The number of milliseconds to wait while trying to connect. Use 0 to wait indefinitely. 
	# If libcurl is built to use the standard system name resolver, that portion of the connect 
	# will still use full-second resolution for timeouts with a minimum timeout allowed of one second.
	# {can not be set in WP}
	//curl_setopt( $handle, CURLOPT_CONNECTTIMEOUT_MS, 5000);
		
	#
	# The number of seconds to keep DNS entries in memory. This option is set to 120 (2 minutes) by default. 
	# {can not be set in WP}	
	//curl_setopt( $handle, CURLOPT_DNS_CACHE_TIMEOUT	);
		
	# The contents of the "Accept-Encoding: " header. This enables decoding of the response. 
	# Supported encodings are "identity", "deflate", and "gzip". If an empty string, "", is set, 
	# a header containing all supported encoding types is sent. 
	#
	//curl_setopt( $handle, CURLOPT_ENCODING, '');
	
	//curl_setopt( $handle, CURLOPT_TRANSFERTEXT, false);
		
	//curl_setopt( $handle, CURLOPT_BINARYTRANSFER, false);
	
	# TRUE to be completely silent with regards to the cURL functions.
	//curl_setopt( $handle, CURLOPT_MUTE, false);
	
	//curl_setopt( $handle, CURLOPT_VERBOSE, false);
	
	#
	# 1 to check the existence of a common name in the SSL peer certificate. 2 to check the existence of 
	# a common name and also verify that it matches the hostname provided. 
	# {in WP $ssl_verify} {i assume false will be 0 and true will be treated as ?}
	curl_setopt( $handle, CURLOPT_SSL_VERIFYHOST, 1 );
	
	#
	# FALSE to stop cURL from verifying the peer's certificate. Alternate certificates to verify against can 
	# be specified with the CURLOPT_CAINFO option or a certificate directory can be specified with the 
	# CURLOPT_CAPATH option. CURLOPT_SSL_VERIFYHOST may also need to be TRUE or FALSE if CURLOPT_SSL_VERIFYPEER 
	# is disabled (it defaults to 2). 
	# {in WP also $ss_verify}
	curl_setopt( $handle, CURLOPT_SSL_VERIFYPEER, false );
	
	#
	# Autoreferr set by Curl
	# {in WP not used as they have their own default string}
	//curl_setopt( $handle, CURLOPT_AUTOREFERER, false);
	
	#
	# The contents of the "User-Agent: " header to be used in a HTTP request. 	
	# {in WP user-agent filter or parameter}
	curl_setopt( $handle, CURLOPT_USERAGENT, 'WP-Favicon/0.5.1 (http://wordpress.org/extend/plugins/wp-favicons/; http://www.favcollector.com/)');
		
	#
	# The contents of the "Referer: " header to be used in a HTTP request. 
	# {not set in WP}
	//curl_setopt( $handle, CURLOPT_REFERER, '');
		
	# Bitmask of CURLPROTO_* values. If used, this bitmask limits what protocols libcurl may use in a transfer 
	# that it follows to in a redirect when CURLOPT_FOLLOWLOCATION is enabled. This allows you to limit specific 
	# transfers to only be allowed to use a subset of protocols in redirections. By default libcurl will allow all 
	# protocols except for FILE and SCP. This is a difference compared to pre-7.19.4 versions which unconditionally 
	# would follow to all protocols supported. See also CURLOPT_PROTOCOLS for protocol constant values. 
	# {not used in WP though would be handy to exclude protocols for favicons}
	//curl_setopt( $handle, CURLOPT_REDIR_PROTOCOLS, '')
	
	#
	# The maximum amount of HTTP redirections to follow. Use this option alongside CURLOPT_FOLLOWLOCATION. 
	# { in WP redirection filter or parameter by default 5}
	curl_setopt( $handle, CURLOPT_MAXREDIRS, 0 );
	
	#
	# TRUE to follow any "Location: " header that the server sends as part of the HTTP header 
	# (note this is recursive, PHP will follow as many "Location: " headers that it is sent, 
	# unless CURLOPT_MAXREDIRS is set). 
	# { in WP not yet: see: https://core.trac.wordpress.org/ticket/16855#comment:19}
	# { in our case set this to false if redirection is set to 0 }
	curl_setopt( $handle, CURLOPT_FOLLOWLOCATION, false ); 
	
	#
	# TRUE to fail silently if the HTTP code returned is greater than or equal to 400. The 
	# default behavior is to return the page normally, ignoring the code.
	# {not set in WP, it will handle errors itself in class-http.php lines 1410+}
	//curl_setopt( $handle, CURLOPT_FAILONERROR, false);
	
	# 
	# TRUE to exclude the body from the output. Request method is then set to HEAD. 
	# Changing this to FALSE does not change it to GET. 
	# {set in WP when called by wp_remote_head or with a parameter 'HEAD' then this is set to false}
	curl_setopt( $handle, CURLOPT_NOBODY, false ); 

	#
	# TRUE to include the header in the output. (wp's blocking versus non blocking)
	# {in WP this is true when the 'blocking' parameter is set, which is the default}
    //curl_setopt( $handle, CURLOPT_HEADER, true); 
	
	#
	# TRUE to track the handle's request string.
	# {not set in WP though handy for debugging favicon code}
	//curl_setopt( $handle, CURLINFO_HEADER_OUT, true);
	
	#
	# An array of HTTP header fields to set, in the format array('Content-type: text/plain', 'Content-length: 100') 
	# To reset it it needs to be set to array
	# {in WP set as headers array parameter}
	//curl_setopt( $handle, CURLOPT_HTTPHEADER, array());
	
	#
	# CURL_HTTP_VERSION_NONE (default, lets CURL decide which version to use), 
	# CURL_HTTP_VERSION_1_0 (forces HTTP/1.0), or CURL_HTTP_VERSION_1_1 (forces HTTP/1.1). 
	# { in WP default set to 1.0 }
	// curl_setopt( $handle, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_NONE );
	curl_setopt( $handle, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0 );
	
	#
	# TRUE to return the transfer as a string of the return value of curl_exec() instead of outputting it out directly. 
	# FALSE output it directly
	# {in WP always true to parse it in fixed HTTP API format}
	curl_setopt( $handle, CURLOPT_RETURNTRANSFER, true );
	
	$theResponse = curl_exec( $handle );
		
	if ( !empty($theResponse) ) {
		echo 'there was a response' . "<br />";
		$headerLength = curl_getinfo($handle, CURLINFO_HEADER_SIZE);
		$theHeaders = trim( substr($theResponse, 0, $headerLength) );
		if ( strlen($theResponse) > $headerLength )
			$theBody = substr( $theResponse, $headerLength );
		else
			$theBody = '';
		if ( false !== strpos($theHeaders, "\r\n\r\n") ) {
			$headerParts = explode("\r\n\r\n", $theHeaders);
			$theHeaders = $headerParts[ count($headerParts) -1 ];
		}
	} else {
		echo 'there was no response <br />';
		if ( $curl_error = curl_error($handle) )
			echo $curl_error . "<br />";
		if ( in_array( curl_getinfo( $handle, CURLINFO_HTTP_CODE ), array(301, 302) ) )
			echo 'Too many redirects.' . "<br >" ;
		$theHeaders = array( 'headers' => array(), 'cookies' => array() );
		$theBody = '';
	}
	echo $theHeaders;
	echo $theBody;
	echo  curl_getinfo( $handle, CURLINFO_HTTP_CODE );
}
test_it('http://www.informationweek.com/story/');