Net_URL Class Reference

Collaboration diagram for Net_URL:

Public Member Functions
	Net_URL ($url=null, $useBrackets=true)
	PHP4 Constructor.
	__construct ($url=null, $useBrackets=true)
	PHP5 Constructor.
	initialize ()
	getURL ()
	Returns full url.
	addQueryString ($name, $value, $preencoded=false)
	Adds or updates a querystring item (URL parameter).
	removeQueryString ($name)
	Removes a querystring item.
	addRawQueryString ($querystring)
	Sets the querystring to literally what you supply.
	getQueryString ()
	Returns flat querystring.
	_parseRawQuerystring ($querystring)
	Parses raw querystring and returns an array of it.
	resolvePath ($path)
	Resolves //, ../ and .
	getStandardPort ($scheme)
	Returns the standard port number for a protocol.
	setProtocol ($protocol, $port=null)
	Forces the URL to a particular protocol.
	setOption ($optionName, $value)
	Set an option.
	getOption ($optionName)
	Get an option.

Data Fields
	$options = array('encode_query_keys' => false)
	$url
	$protocol
	$username
	$password
	$host
	$port
	$path
	$querystring
	$anchor
	$useBrackets

Detailed Description

Definition at line 40 of file URL.php.

Constructor & Destructor Documentation

Net_URL::__construct	(		$url = null,
			$useBrackets = true
	)

PHP5 Constructor.

Parses the given url and stores the various parts Defaults are used in certain cases

Parameters

string	$url	Optional URL
bool	$useBrackets	Whether to use square brackets when multiple querystrings with the same name exist

Definition at line 124 of file URL.php.

References $url, $useBrackets, and initialize().

Referenced by Net_URL().

    {
        $this->url = $url;
        $this->useBrackets = $useBrackets;

        $this->initialize();
    }

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Member Function Documentation

Net_URL::_parseRawQuerystring

(

$querystring

)

Parses raw querystring and returns an array of it.

Parameters

string

$querystring

The querystring to parse

Returns

array An array of the querystring data private

Definition at line 324 of file URL.php.

References $querystring, and getOption().

Referenced by initialize().

    {
        $parts  = preg_split('/[' . preg_quote(ini_get('arg_separator.input'), '/') . ']/', $querystring, -1, PREG_SPLIT_NO_EMPTY);
        $return = array();

        foreach ($parts as $part) {
            if (strpos($part, '=') !== false) {
                $value = substr($part, strpos($part, '=') + 1);
                $key   = substr($part, 0, strpos($part, '='));
            } else {
                $value = null;
                $key   = $part;
            }

            if (!$this->getOption('encode_query_keys')) {
                $key = rawurldecode($key);
            }

            if (preg_match('#^(.*)\[([0-9a-z_-]*)\]#i', $key, $matches)) {
                $key = $matches[1];
                $idx = $matches[2];

                // Ensure is an array
                if (empty($return[$key]) || !is_array($return[$key])) {
                    $return[$key] = array();
                }

                // Add data
                if ($idx === '') {
                    $return[$key][] = $value;
                } else {
                    $return[$key][$idx] = $value;
                }
            } elseif (!$this->useBrackets AND !empty($return[$key])) {
                $return[$key]   = (array)$return[$key];
                $return[$key][] = $value;
            } else {
                $return[$key] = $value;
            }
        }

        return $return;
    }

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Net_URL::addQueryString	(		$name,
			$value,
			$preencoded = false
	)

Adds or updates a querystring item (URL parameter).

Automatically encodes parameters with rawurlencode() if $preencoded is false. You can pass an array to $value, it gets mapped via [] in the URL if $this->useBrackets is activated.

Parameters

string	$name	Name of item
string	$value	Value of item
bool	$preencoded	Whether value is urlencoded or not, default = not public

Definition at line 245 of file URL.php.

References $name, and getOption().

    {
        if ($this->getOption('encode_query_keys')) {
            $name = rawurlencode($name);
        }

        if ($preencoded) {
            $this->querystring[$name] = $value;
        } else {
            $this->querystring[$name] = is_array($value) ? array_map('rawurlencode', $value): rawurlencode($value);
        }
    }

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Net_URL::addRawQueryString

(

$querystring

)

Sets the querystring to literally what you supply.

Parameters

string

$querystring

The querystring data. Should be of the format foo=bar&x=y etc public

Definition at line 281 of file URL.php.

References $querystring.

    {
        $this->querystring = $this->_parseRawQueryString($querystring);
    }

Net_URL::getOption

(

$optionName

)

Get an option.

This function gets an option from the $this->options array and return it's value.

public

Parameters

string

$opionName

The name of the option to retrieve

See Also

$this->options

Definition at line 475 of file URL.php.

Referenced by _parseRawQuerystring(), addQueryString(), and removeQueryString().

    {
        if (!isset($this->options[$optionName])) {
            return false;
        }

        return $this->options[$optionName];
    }

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Net_URL::getQueryString

(

)

Returns flat querystring.

Returns

string Querystring public

Definition at line 292 of file URL.php.

References $name, and $querystring.

Referenced by getURL().

    {
        if (!empty($this->querystring)) {
            foreach ($this->querystring as $name => $value) {
                // Encode var name
                $name = rawurlencode($name);

                if (is_array($value)) {
                    foreach ($value as $k => $v) {
                        $querystring[] = $this->useBrackets ? sprintf('%s[%s]=%s', $name, $k, $v) : ($name . '=' . $v);
                    }
                } elseif (!is_null($value)) {
                    $querystring[] = $name . '=' . $value;
                } else {
                    $querystring[] = $name;
                }
            }
            $querystring = implode(ini_get('arg_separator.output'), $querystring);
        } else {
            $querystring = '';
        }

        return $querystring;
    }

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Net_URL::getStandardPort

(

$scheme

)

Returns the standard port number for a protocol.

Parameters

string

$scheme

The protocol to lookup

Returns

integer Port number or NULL if no scheme matches

Author

Philippe Jausions Phili.nosp@m.ppe..nosp@m.Jausi.nosp@m.ons@.nosp@m.11aba.nosp@m.cus..nosp@m.com

Definition at line 418 of file URL.php.

Referenced by getURL(), initialize(), and setProtocol().

    {
        switch (strtolower($scheme)) {
            case 'http':    return 80;
            case 'https':   return 443;
            case 'ftp':     return 21;
            case 'imap':    return 143;
            case 'imaps':   return 993;
            case 'pop3':    return 110;
            case 'pop3s':   return 995;
            default:        return null;
       }
    }

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Net_URL::getURL

(

)

Returns full url.

Returns

string Full url public

Definition at line 218 of file URL.php.

References $port, $querystring, $url, getQueryString(), and getStandardPort().

    {
        $querystring = $this->getQueryString();

        $this->url = $this->protocol . '://'
                   . $this->user . (!empty($this->pass) ? ':' : '')
                   . $this->pass . (!empty($this->user) ? '@' : '')
                   . $this->host . ($this->port == $this->getStandardPort($this->protocol) ? '' : ':' . $this->port)
                   . $this->path
                   . (!empty($querystring) ? '?' . $querystring : '')
                   . (!empty($this->anchor) ? '#' . $this->anchor : '');

        return $this->url;
    }

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Net_URL::initialize

(

)

Figure out host/port

Definition at line 132 of file URL.php.

References $GLOBALS, $host, $path, $port, _parseRawQuerystring(), and getStandardPort().

Referenced by __construct(), and setOption().

    {
        $HTTP_SERVER_VARS  = !empty($_SERVER) ? $_SERVER : $GLOBALS['HTTP_SERVER_VARS'];

        $this->user        = '';
        $this->pass        = '';
        $this->host        = '';
        $this->port        = 80;
        $this->path        = '';
        $this->querystring = array();
        $this->anchor      = '';

        // Only use defaults if not an absolute URL given
        if (!preg_match('/^[a-z0-9]+:\/\//i', $this->url)) {
            $this->protocol = (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] == 'on' ? 'https' : 'http');

            if (!empty($HTTP_SERVER_VARS['HTTP_HOST']) && 
                preg_match('/^(.*)(:([0-9]+))?$/U', $HTTP_SERVER_VARS['HTTP_HOST'], $matches)) 
            {
                $host = $matches[1];
                if (!empty($matches[3])) {
                    $port = $matches[3];
                } else {
                    $port = $this->getStandardPort($this->protocol);
                }
            }

            $this->user        = '';
            $this->pass        = '';
            $this->host        = !empty($host) ? $host : (isset($HTTP_SERVER_VARS['SERVER_NAME']) ? $HTTP_SERVER_VARS['SERVER_NAME'] : 'localhost');
            $this->port        = !empty($port) ? $port : (isset($HTTP_SERVER_VARS['SERVER_PORT']) ? $HTTP_SERVER_VARS['SERVER_PORT'] : $this->getStandardPort($this->protocol));
            $this->path        = !empty($HTTP_SERVER_VARS['PHP_SELF']) ? $HTTP_SERVER_VARS['PHP_SELF'] : '/';
            $this->querystring = isset($HTTP_SERVER_VARS['QUERY_STRING']) ? $this->_parseRawQuerystring($HTTP_SERVER_VARS['QUERY_STRING']) : null;
            $this->anchor      = '';
        }

        // Parse the url and store the various parts
        if (!empty($this->url)) {
            $urlinfo = parse_url($this->url);

            // Default querystring
            $this->querystring = array();

            foreach ($urlinfo as $key => $value) {
                switch ($key) {
                    case 'scheme':
                        $this->protocol = $value;
                        $this->port     = $this->getStandardPort($value);
                        break;

                    case 'user':
                    case 'pass':
                    case 'host':
                    case 'port':
                        $this->$key = $value;
                        break;

                    case 'path':
                        if ($value{0} == '/') {
                            $this->path = $value;
                        } else {
                            $path = dirname($this->path) == DIRECTORY_SEPARATOR ? '' : dirname($this->path);
                            $this->path = sprintf('%s/%s', $path, $value);
                        }
                        break;

                    case 'query':
                        $this->querystring = $this->_parseRawQueryString($value);
                        break;

                    case 'fragment':
                        $this->anchor = $value;
                        break;
                }
            }
        }
    }

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Net_URL::Net_URL	(		$url = null,
			$useBrackets = true
	)

PHP4 Constructor.

See Also

__construct()

Definition at line 108 of file URL.php.

References $url, $useBrackets, and __construct().

    {
        $this->__construct($url, $useBrackets);
    }

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Net_URL::removeQueryString

(

$name

)

Removes a querystring item.

Parameters

string

$name

Name of item public

Definition at line 264 of file URL.php.

References $name, and getOption().

    {
        if ($this->getOption('encode_query_keys')) {
            $name = rawurlencode($name);
        }

        if (isset($this->querystring[$name])) {
            unset($this->querystring[$name]);
        }
    }

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Net_URL::resolvePath

(

$path

)

Resolves //, ../ and .

/ from a path and returns the result. Eg:

/foo/bar/../boo.php => /foo/boo.php /foo/bar/../../boo.php => /boo.php /foo/bar/.././/boo.php => /foo/boo.php

This method can also be called statically.

Parameters

string

$path

URL path to resolve

Returns

string The result

Definition at line 381 of file URL.php.

References $path.

    {
        $path = explode('/', str_replace('//', '/', $path));

        for ($i=0; $i<count($path); $i++) {
            if ($path[$i] == '.') {
                unset($path[$i]);
                $path = array_values($path);
                $i--;

            } elseif ($path[$i] == '..' AND ($i > 1 OR ($i == 1 AND $path[0] != '') ) ) {
                unset($path[$i]);
                unset($path[$i-1]);
                $path = array_values($path);
                $i -= 2;

            } elseif ($path[$i] == '..' AND $i == 1 AND $path[0] == '') {
                unset($path[$i]);
                $path = array_values($path);
                $i--;

            } else {
                continue;
            }
        }

        return implode('/', $path);
    }

Net_URL::setOption	(		$optionName,
			$value
	)

Set an option.

This function set an option to be used thorough the script.

public

Parameters

string	$optionName	The optionname to set
string	$value	The value of this option.

Definition at line 454 of file URL.php.

References initialize().

    {
        if (!array_key_exists($optionName, $this->options)) {
            return false;
        }

        $this->options[$optionName] = $value;
        $this->initialize();
    }

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Net_URL::setProtocol	(		$protocol,
			$port = null
	)

Forces the URL to a particular protocol.

Parameters

string	$protocol	Protocol to force the URL to
integer	$port	Optional port (standard port is used by default)

Definition at line 438 of file URL.php.

References $port, $protocol, and getStandardPort().

    {
        $this->protocol = $protocol;
        $this->port     = is_null($port) ? $this->getStandardPort($protocol) : $port;
    }

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Field Documentation

Net_URL::$anchor

Definition at line 95 of file URL.php.

Net_URL::$host

Definition at line 71 of file URL.php.

Referenced by initialize().

Net_URL::$options = array('encode_query_keys' => false)

Definition at line 42 of file URL.php.

Net_URL::$password

Definition at line 65 of file URL.php.

Net_URL::$path

Definition at line 83 of file URL.php.

Referenced by initialize(), and resolvePath().

Net_URL::$port

Definition at line 77 of file URL.php.

Referenced by getURL(), initialize(), and setProtocol().

Net_URL::$protocol

Definition at line 53 of file URL.php.

Referenced by setProtocol().

Net_URL::$querystring

Definition at line 89 of file URL.php.

Referenced by _parseRawQuerystring(), addRawQueryString(), getQueryString(), and getURL().

Net_URL::$url

Definition at line 47 of file URL.php.

Referenced by __construct(), getURL(), and Net_URL().

Net_URL::$useBrackets

Definition at line 101 of file URL.php.

Referenced by __construct(), and Net_URL().

Net_URL::$username

Definition at line 59 of file URL.php.

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The documentation for this class was generated from the following file:

• Services/PEAR/lib/Net/URL.php