ZiTAL/validator.php

## validator.php
<?php
/*
<!-- validator.txt content -->
<form action="archivo.php" method="get">
        <input id="aa" type="text" name="nombre" value="buscar" />
        <input id="dd" type="submit" value="buscar" />
</form>
*/
$text = file_get_contents('validator.txt');

// html5
$text = "<!DOCTYPE html>
<html>
<meta charset=\"utf-8\">
<title>a</title>
<body>
".$text."
</body>
</html>";

$response = curl::getHeaders('http://validator.w3.org/check', array
        (
                'name' => 'doctype',
                'prefill' => 0,
                'doctype' => 'HTML5',
                'group' => 0,
                'fragment' => $text
        ),
        'post',
        array(CURLOPT_USERAGENT => 'curl')
);
/*
response example:
Array
(
    [Date] => Wed, 04 Feb 2015 11:03:06 GMT
    [Server] => Apache/2.2.16 (Debian)
    [Content-Language] => en
    [X-W3C-Validator-Recursion] => 1
    [X-W3C-Validator-Status] => Valid
    [X-W3C-Validator-Errors] => 0
    [X-W3C-Validator-Warnings] => 2
    [Content-Type] => text/html; charset=UTF-8
    [Vary] => Accept-Encoding
    [Connection] => close
    [Transfer-Encoding] => chunked
)
*/

$values = getValidatorValues($response);
print_r($values);

function getValidatorValues($str)
{
	$s = preg_split("/\n/", $str);
	$values = array();
	foreach($s as $row)
	{
		$s = preg_match("/^([^:]+):\s+([^$]+)$/", $row, $m);
		if($m)
			$values[$m[1]] = $m[2];
	}
	if($values)
		return $values;

	return false;
}

class curl
{
	public static function getURL($url, $params = array(), $type = 'get', $curl_opts = array())
	{
		$ch = self::setCurl($url, $params, $type, $curl_opts);
		$result = curl_exec($ch);
		curl_close($ch);
		return $result;
	}

	public static function getCode($url, $params = array(), $type = 'get', $curl_opts = array())
	{
		$ch = self::setCurl($url, $params, $type, $curl_opts);
		$result = curl_exec($ch);
		$http_status = curl_getinfo($ch, CURLINFO_HTTP_CODE);
		curl_close($ch);
		return $http_status;
	}

	public static function getHeaders($url, $params = array(), $type = 'get', $curl_opts = array())
	{
		$curl_opts[CURLOPT_HEADER] = 1;
		$ch = self::setCurl($url, $params, $type, $curl_opts);
		$result = curl_exec($ch);

		// Then, after your curl_exec call:
		$header_size = curl_getinfo($ch, CURLINFO_HEADER_SIZE);
		$header = substr($result, 0, $header_size);

		return $header;
	}

	public static function setParams($array)
	{
		$txt = '';
		if(is_array($array) && count($array)>0)
		{
			$txt.= '?';
			$txt.= http_build_query($array);
		}
		return $txt;
	}

	private static function setCurl($url, $params = array(), $type = 'get', $curl_opts = array())
	{
		if(!function_exists('curl_init'))
			die('curl module missing');

		$type = trim(strtolower($type));
		$ch = curl_init();

		if($type=='post')
		{
			$params = http_build_query($params);
			curl_setopt($ch, CURLOPT_POST, 1);
			curl_setopt($ch, CURLOPT_POSTFIELDS, $params);
			curl_setopt($ch, CURLOPT_URL, $url);
			curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
		}
		else
		{
			$params = self::setParams($params);
			curl_setopt($ch, CURLOPT_URL, $url.$params);
			curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
		}
		// set curl param options
		if(is_array($curl_opts) && count($curl_opts)>0)
		{
			foreach($curl_opts as $key => $value)
			{
				if($key!==0)
					curl_setopt($ch, $key, $value);
			}
		}
		return $ch;
	}
}
	<?php
	/*
	<!-- validator.txt content -->
	<form action="archivo.php" method="get">
	<input id="aa" type="text" name="nombre" value="buscar" />
	<input id="dd" type="submit" value="buscar" />
	</form>
	*/
	$text = file_get_contents('validator.txt');

	// html5
	$text = "<!DOCTYPE html>
	<html>
	<meta charset=\"utf-8\">
	<title>a</title>
	<body>
	".$text."
	</body>
	</html>";

	$response = curl::getHeaders('http://validator.w3.org/check', array
	(
	'name' => 'doctype',
	'prefill' => 0,
	'doctype' => 'HTML5',
	'group' => 0,
	'fragment' => $text
	),
	'post',
	array(CURLOPT_USERAGENT => 'curl')
	);
	/*
	response example:
	Array
	(
	[Date] => Wed, 04 Feb 2015 11:03:06 GMT
	[Server] => Apache/2.2.16 (Debian)
	[Content-Language] => en
	[X-W3C-Validator-Recursion] => 1
	[X-W3C-Validator-Status] => Valid
	[X-W3C-Validator-Errors] => 0
	[X-W3C-Validator-Warnings] => 2
	[Content-Type] => text/html; charset=UTF-8
	[Vary] => Accept-Encoding
	[Connection] => close
	[Transfer-Encoding] => chunked
	)
	*/

	$values = getValidatorValues($response);
	print_r($values);

	function getValidatorValues($str)
	{
	$s = preg_split("/\n/", $str);
	$values = array();
	foreach($s as $row)
	{
	$s = preg_match("/^([^:]+):\s+([^$]+)$/", $row, $m);
	if($m)
	$values[$m[1]] = $m[2];
	}
	if($values)
	return $values;

	return false;
	}

	class curl
	{
	public static function getURL($url, $params = array(), $type = 'get', $curl_opts = array())
	{
	$ch = self::setCurl($url, $params, $type, $curl_opts);
	$result = curl_exec($ch);
	curl_close($ch);
	return $result;
	}

	public static function getCode($url, $params = array(), $type = 'get', $curl_opts = array())
	{
	$ch = self::setCurl($url, $params, $type, $curl_opts);
	$result = curl_exec($ch);
	$http_status = curl_getinfo($ch, CURLINFO_HTTP_CODE);
	curl_close($ch);
	return $http_status;
	}

	public static function getHeaders($url, $params = array(), $type = 'get', $curl_opts = array())
	{
	$curl_opts[CURLOPT_HEADER] = 1;
	$ch = self::setCurl($url, $params, $type, $curl_opts);
	$result = curl_exec($ch);

	// Then, after your curl_exec call:
	$header_size = curl_getinfo($ch, CURLINFO_HEADER_SIZE);
	$header = substr($result, 0, $header_size);

	return $header;
	}

	public static function setParams($array)
	{
	$txt = '';
	if(is_array($array) && count($array)>0)
	{
	$txt.= '?';
	$txt.= http_build_query($array);
	}
	return $txt;
	}

	private static function setCurl($url, $params = array(), $type = 'get', $curl_opts = array())
	{
	if(!function_exists('curl_init'))
	die('curl module missing');

	$type = trim(strtolower($type));
	$ch = curl_init();

	if($type=='post')
	{
	$params = http_build_query($params);
	curl_setopt($ch, CURLOPT_POST, 1);
	curl_setopt($ch, CURLOPT_POSTFIELDS, $params);
	curl_setopt($ch, CURLOPT_URL, $url);
	curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
	}
	else
	{
	$params = self::setParams($params);
	curl_setopt($ch, CURLOPT_URL, $url.$params);
	curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
	}
	// set curl param options
	if(is_array($curl_opts) && count($curl_opts)>0)
	{
	foreach($curl_opts as $key => $value)
	{
	if($key!==0)
	curl_setopt($ch, $key, $value);
	}
	}
	return $ch;
	}
	}