FM / PEAR

/opt/cpanel/ea-php83/root/usr/share/pear/PEAR/

/opt/cpanel/ea-php83/root/usr/share/pear/PEAR

Name	Size	Mode	Actions
ChannelFile/	-	0755	rm
Command/	-	0755	rm
Downloader/	-	0755	rm
Frontend/	-	0755	rm
Installer/	-	0755	rm
PackageFile/	-	0755	rm
REST/	-	0755	rm
Task/	-	0755	rm
Validator/	-	0755	rm
Builder.php	18939	0644	edit dl rm
ChannelFile.php	50844	0644	edit dl rm
Command.php	12427	0644	edit dl rm
Common.php	26466	0644	edit dl rm
Config.php	69149	0644	edit dl rm
Dependency2.php	50446	0644	edit dl rm
DependencyDB.php	24321	0644	edit dl rm
Downloader.php	67085	0644	edit dl rm
ErrorStack.php	33804	0644	edit dl rm
Exception.php	13933	0644	edit dl rm
Frontend.php	6650	0644	edit dl rm
Installer.php	70089	0644	edit dl rm
PackageFile.php	15846	0644	edit dl rm
Packager.php	7712	0644	edit dl rm
Proxy.php	5610	0644	edit dl rm
Registry.php	75977	0644	edit dl rm
REST.php	17146	0644	edit dl rm
RunTest.php	36358	0644	edit dl rm
Validate.php	22005	0644	edit dl rm
XMLParser.php	6911	0644	edit dl rm

Edit: /opt/cpanel/ea-php83/root/usr/share/pear/PEAR/Common.php (26466B)

<?php
/**
 * PEAR_Common, the base class for the PEAR Installer
 *
 * PHP versions 4 and 5
 *
 * @category   pear
 * @package    PEAR
 * @author     Stig Bakken <ssb@php.net>
 * @author     Tomas V. V. Cox <cox@idecnet.com>
 * @author     Greg Beaver <cellog@php.net>
 * @copyright  1997-2009 The Authors
 * @license    http://opensource.org/licenses/bsd-license.php New BSD License
 * @link       http://pear.php.net/package/PEAR
 * @since      File available since Release 0.1.0
 * @deprecated File deprecated since Release 1.4.0a1
 */

/**
 * Include error handling
 */
require_once 'PEAR.php';

/**
 * PEAR_Common error when an invalid PHP file is passed to PEAR_Common::analyzeSourceCode()
 */
define('PEAR_COMMON_ERROR_INVALIDPHP', 1);
define('_PEAR_COMMON_PACKAGE_NAME_PREG', '[A-Za-z][a-zA-Z0-9_]+');
define('PEAR_COMMON_PACKAGE_NAME_PREG', '/^' . _PEAR_COMMON_PACKAGE_NAME_PREG . '\\z/');

// this should allow: 1, 1.0, 1.0RC1, 1.0dev, 1.0dev123234234234, 1.0a1, 1.0b1, 1.0pl1
define('_PEAR_COMMON_PACKAGE_VERSION_PREG', '\d+(?:\.\d+)*(?:[a-zA-Z]+\d*)?');
define('PEAR_COMMON_PACKAGE_VERSION_PREG', '/^' . _PEAR_COMMON_PACKAGE_VERSION_PREG . '\\z/i');

// XXX far from perfect :-)
define('_PEAR_COMMON_PACKAGE_DOWNLOAD_PREG', '(' . _PEAR_COMMON_PACKAGE_NAME_PREG .
    ')(-([.0-9a-zA-Z]+))?');
define('PEAR_COMMON_PACKAGE_DOWNLOAD_PREG', '/^' . _PEAR_COMMON_PACKAGE_DOWNLOAD_PREG .
    '\\z/');

define('_PEAR_CHANNELS_NAME_PREG', '[A-Za-z][a-zA-Z0-9\.]+');
define('PEAR_CHANNELS_NAME_PREG', '/^' . _PEAR_CHANNELS_NAME_PREG . '\\z/');

// this should allow any dns or IP address, plus a path - NO UNDERSCORES ALLOWED
define('_PEAR_CHANNELS_SERVER_PREG', '[a-zA-Z0-9\-]+(?:\.[a-zA-Z0-9\-]+)*(\/[a-zA-Z0-9\-]+)*');
define('PEAR_CHANNELS_SERVER_PREG', '/^' . _PEAR_CHANNELS_SERVER_PREG . '\\z/i');

define('_PEAR_CHANNELS_PACKAGE_PREG',  '(' ._PEAR_CHANNELS_SERVER_PREG . ')\/('
         . _PEAR_COMMON_PACKAGE_NAME_PREG . ')');
define('PEAR_CHANNELS_PACKAGE_PREG', '/^' . _PEAR_CHANNELS_PACKAGE_PREG . '\\z/i');

define('_PEAR_COMMON_CHANNEL_DOWNLOAD_PREG', '(' . _PEAR_CHANNELS_NAME_PREG . ')::('
    . _PEAR_COMMON_PACKAGE_NAME_PREG . ')(-([.0-9a-zA-Z]+))?');
define('PEAR_COMMON_CHANNEL_DOWNLOAD_PREG', '/^' . _PEAR_COMMON_CHANNEL_DOWNLOAD_PREG . '\\z/');

/**
 * List of temporary files and directories registered by
 * PEAR_Common::addTempFile().
 * @var array
 */
$GLOBALS['_PEAR_Common_tempfiles'] = array();

/**
 * Valid maintainer roles
 * @var array
 */
$GLOBALS['_PEAR_Common_maintainer_roles'] = array('lead','developer','contributor','helper');

/**
 * Valid release states
 * @var array
 */
$GLOBALS['_PEAR_Common_release_states'] = array('alpha','beta','stable','snapshot','devel');

/**
 * Valid dependency types
 * @var array
 */
$GLOBALS['_PEAR_Common_dependency_types'] = array('pkg','ext','php','prog','ldlib','rtlib','os','websrv','sapi');

/**
 * Valid dependency relations
 * @var array
 */
$GLOBALS['_PEAR_Common_dependency_relations'] = array('has','eq','lt','le','gt','ge','not', 'ne');

/**
 * Valid file roles
 * @var array
 */
$GLOBALS['_PEAR_Common_file_roles'] = array('php','ext','test','doc','data','src','script');

/**
 * Valid replacement types
 * @var array
 */
$GLOBALS['_PEAR_Common_replacement_types'] = array('php-const', 'pear-config', 'package-info');

/**
 * Valid "provide" types
 * @var array
 */
$GLOBALS['_PEAR_Common_provide_types'] = array('ext', 'prog', 'class', 'function', 'feature', 'api');

/**
 * Valid "provide" types
 * @var array
 */
$GLOBALS['_PEAR_Common_script_phases'] = array('pre-install', 'post-install', 'pre-uninstall', 'post-uninstall', 'pre-build', 'post-build', 'pre-configure', 'post-configure', 'pre-setup', 'post-setup');

/**
 * Class providing common functionality for PEAR administration classes.
 * @category   pear
 * @package    PEAR
 * @author     Stig Bakken <ssb@php.net>
 * @author     Tomas V. V. Cox <cox@idecnet.com>
 * @author     Greg Beaver <cellog@php.net>
 * @copyright  1997-2009 The Authors
 * @license    http://opensource.org/licenses/bsd-license.php New BSD License
 * @version    Release: 1.10.18
 * @link       http://pear.php.net/package/PEAR
 * @since      Class available since Release 1.4.0a1
 * @deprecated This class will disappear, and its components will be spread
 *             into smaller classes, like the AT&T breakup, as of Release 1.4.0a1
 */
class PEAR_Common extends PEAR
{
    /**
     * User Interface object (PEAR_Frontend_* class).  If null,
     * the log() method uses print.
     * @var object
     */
    var $ui = null;

/**
     * Configuration object (PEAR_Config).
     * @var PEAR_Config
     */
    var $config = null;

/** stack of elements, gives some sort of XML context */
    var $element_stack = array();

/** name of currently parsed XML element */
    var $current_element;

/** array of attributes of the currently parsed XML element */
    var $current_attributes = array();

/** assoc with information about a package */
    var $pkginfo = array();

var $current_path = null;

/**
     * Flag variable used to mark a valid package file
     * @var boolean
     * @access private
     */
    var $_validPackageFile;

/**
     * PEAR_Common constructor
     *
     * @access public
     */
    function __construct()
    {
        parent::__construct();
        $this->config = &PEAR_Config::singleton();
        $this->debug = $this->config->get('verbose');
    }

/**
     * PEAR_Common destructor
     *
     * @access private
     */
    function _PEAR_Common()
    {
        // doesn't work due to bug #14744
        //$tempfiles = $this->_tempfiles;
        $tempfiles =& $GLOBALS['_PEAR_Common_tempfiles'];
        while ($file = array_shift($tempfiles)) {
            if (@is_dir($file)) {
                if (!class_exists('System')) {
                    require_once 'System.php';
                }

System::rm(array('-rf', $file));
            } elseif (file_exists($file)) {
                unlink($file);
            }
        }
    }

/**
     * Register a temporary file or directory.  When the destructor is
     * executed, all registered temporary files and directories are
     * removed.
     *
     * @param string  $file  name of file or directory
     *
     * @return void
     *
     * @access public
     */
    static function addTempFile($file)
    {
        if (!class_exists('PEAR_Frontend')) {
            require_once 'PEAR/Frontend.php';
        }
        PEAR_Frontend::addTempFile($file);
    }

/**
     * Wrapper to System::mkDir(), creates a directory as well as
     * any necessary parent directories.
     *
     * @param string  $dir  directory name
     *
     * @return bool TRUE on success, or a PEAR error
     *
     * @access public
     */
    function mkDirHier($dir)
    {
        // Only used in Installer - move it there ?
        $this->log(2, "+ create dir $dir");
        if (!class_exists('System')) {
            require_once 'System.php';
        }
        return System::mkDir(array('-p', $dir));
    }

/**
     * Logging method.
     *
     * @param int    $level  log level (0 is quiet, higher is noisier)
     * @param string $msg    message to write to the log
     *
     * @return void
     */
    public function log($level, $msg, $append_crlf = true)
    {
        if ($this->debug >= $level) {
            if (!class_exists('PEAR_Frontend')) {
                require_once 'PEAR/Frontend.php';
            }

$ui = &PEAR_Frontend::singleton();
            if (is_a($ui, 'PEAR_Frontend')) {
                $ui->log($msg, $append_crlf);
            } else {
                print "$msg\n";
            }
        }
    }

/**
     * Create and register a temporary directory.
     *
     * @param string $tmpdir (optional) Directory to use as tmpdir.
     *                       Will use system defaults (for example
     *                       /tmp or c:\windows\temp) if not specified
     *
     * @return string name of created directory
     *
     * @access public
     */
    function mkTempDir($tmpdir = '')
    {
        $topt = $tmpdir ? array('-t', $tmpdir) : array();
        $topt = array_merge($topt, array('-d', 'pear'));
        if (!class_exists('System')) {
            require_once 'System.php';
        }

if (!$tmpdir = System::mktemp($topt)) {
            return false;
        }

self::addTempFile($tmpdir);
        return $tmpdir;
    }

/**
     * Set object that represents the frontend to be used.
     *
     * @param  object Reference of the frontend object
     * @return void
     * @access public
     */
    function setFrontendObject(&$ui)
    {
        $this->ui = &$ui;
    }

/**
     * Return an array containing all of the states that are more stable than
     * or equal to the passed in state
     *
     * @param string Release state
     * @param boolean Determines whether to include $state in the list
     * @return false|array False if $state is not a valid release state
     */
    static function betterStates($state, $include = false)
    {
        static $states = array('snapshot', 'devel', 'alpha', 'beta', 'stable');
        $i = array_search($state, $states);
        if ($i === false) {
            return false;
        }
        if ($include) {
            $i--;
        }
        return array_slice($states, $i + 1);
    }

/**
     * Get the valid roles for a PEAR package maintainer
     *
     * @return array
     */
    public static function getUserRoles()
    {
        return $GLOBALS['_PEAR_Common_maintainer_roles'];
    }

/**
     * Get the valid package release states of packages
     *
     * @return array
     */
    public static function getReleaseStates()
    {
        return $GLOBALS['_PEAR_Common_release_states'];
    }

/**
     * Get the implemented dependency types (php, ext, pkg etc.)
     *
     * @return array
     */
    public static function getDependencyTypes()
    {
        return $GLOBALS['_PEAR_Common_dependency_types'];
    }

/**
     * Get the implemented dependency relations (has, lt, ge etc.)
     *
     * @return array
     */
    public static function getDependencyRelations()
    {
        return $GLOBALS['_PEAR_Common_dependency_relations'];
    }

/**
     * Get the implemented file roles
     *
     * @return array
     */
    public static function getFileRoles()
    {
        return $GLOBALS['_PEAR_Common_file_roles'];
    }

/**
     * Get the implemented file replacement types in
     *
     * @return array
     */
    public static function getReplacementTypes()
    {
        return $GLOBALS['_PEAR_Common_replacement_types'];
    }

/**
     * Get the implemented file replacement types in
     *
     * @return array
     */
    public static function getProvideTypes()
    {
        return $GLOBALS['_PEAR_Common_provide_types'];
    }

/**
     * Get the implemented file replacement types in
     *
     * @return array
     */
    public static function getScriptPhases()
    {
        return $GLOBALS['_PEAR_Common_script_phases'];
    }

/**
     * Test whether a string contains a valid package name.
     *
     * @param string $name the package name to test
     *
     * @return bool
     *
     * @access public
     */
    function validPackageName($name)
    {
        return (bool)preg_match(PEAR_COMMON_PACKAGE_NAME_PREG, $name);
    }

/**
     * Test whether a string contains a valid package version.
     *
     * @param string $ver the package version to test
     *
     * @return bool
     *
     * @access public
     */
    function validPackageVersion($ver)
    {
        return (bool)preg_match(PEAR_COMMON_PACKAGE_VERSION_PREG, $ver);
    }

/**
     * @param string $path relative or absolute include path
     * @return boolean
     */
    public static function isIncludeable($path)
    {
        if (file_exists($path) && is_readable($path)) {
            return true;
        }

$ipath = explode(PATH_SEPARATOR, ini_get('include_path'));
        foreach ($ipath as $include) {
            $test = realpath($include . DIRECTORY_SEPARATOR . $path);
            if (file_exists($test) && is_readable($test)) {
                return true;
            }
        }

return false;
    }

function _postProcessChecks($pf)
    {
        if (!PEAR::isError($pf)) {
            return $this->_postProcessValidPackagexml($pf);
        }

$errs = $pf->getUserinfo();
        if (is_array($errs)) {
            foreach ($errs as $error) {
                $e = $this->raiseError($error['message'], $error['code'], null, null, $error);
            }
        }

return $pf;
    }

/**
     * Returns information about a package file.  Expects the name of
     * a gzipped tar file as input.
     *
     * @param string  $file  name of .tgz file
     *
     * @return array  array with package information
     *
     * @access public
     * @deprecated use PEAR_PackageFile->fromTgzFile() instead
     *
     */
    function infoFromTgzFile($file)
    {
        $packagefile = new PEAR_PackageFile($this->config);
        $pf = &$packagefile->fromTgzFile($file, PEAR_VALIDATE_NORMAL);
        return $this->_postProcessChecks($pf);
    }

/**
     * Returns information about a package file.  Expects the name of
     * a package xml file as input.
     *
     * @param string  $descfile  name of package xml file
     *
     * @return array  array with package information
     *
     * @access public
     * @deprecated use PEAR_PackageFile->fromPackageFile() instead
     *
     */
    function infoFromDescriptionFile($descfile)
    {
        $packagefile = new PEAR_PackageFile($this->config);
        $pf = &$packagefile->fromPackageFile($descfile, PEAR_VALIDATE_NORMAL);
        return $this->_postProcessChecks($pf);
    }

/**
     * Returns information about a package file.  Expects the contents
     * of a package xml file as input.
     *
     * @param string  $data  contents of package.xml file
     *
     * @return array   array with package information
     *
     * @access public
     * @deprecated use PEAR_PackageFile->fromXmlstring() instead
     *
     */
    function infoFromString($data)
    {
        $packagefile = new PEAR_PackageFile($this->config);
        $pf = &$packagefile->fromXmlString($data, PEAR_VALIDATE_NORMAL, false);
        return $this->_postProcessChecks($pf);
    }

/**
     * @param PEAR_PackageFile_v1|PEAR_PackageFile_v2
     * @return array
     */
    function _postProcessValidPackagexml(&$pf)
    {
        if (!is_a($pf, 'PEAR_PackageFile_v2')) {
            $this->pkginfo = $pf->toArray();
            return $this->pkginfo;
        }

// sort of make this into a package.xml 1.0-style array
        // changelog is not converted to old format.
        $arr = $pf->toArray(true);
        $arr = array_merge($arr, $arr['old']);
        unset($arr['old'], $arr['xsdversion'], $arr['contents'], $arr['compatible'],
              $arr['channel'], $arr['uri'], $arr['dependencies'], $arr['phprelease'],
              $arr['extsrcrelease'], $arr['zendextsrcrelease'], $arr['extbinrelease'],
              $arr['zendextbinrelease'], $arr['bundle'], $arr['lead'], $arr['developer'],
              $arr['helper'], $arr['contributor']);
        $arr['filelist'] = $pf->getFilelist();
        $this->pkginfo = $arr;
        return $arr;
    }

/**
     * Returns package information from different sources
     *
     * This method is able to extract information about a package
     * from a .tgz archive or from a XML package definition file.
     *
     * @access public
     * @param  string Filename of the source ('package.xml', '<package>.tgz')
     * @return string
     * @deprecated use PEAR_PackageFile->fromAnyFile() instead
     */
    function infoFromAny($info)
    {
        if (is_string($info) && file_exists($info)) {
            $packagefile = new PEAR_PackageFile($this->config);
            $pf = &$packagefile->fromAnyFile($info, PEAR_VALIDATE_NORMAL);
            if (PEAR::isError($pf)) {
                $errs = $pf->getUserinfo();
                if (is_array($errs)) {
                    foreach ($errs as $error) {
                        $e = $this->raiseError($error['message'], $error['code'], null, null, $error);
                    }
                }

return $pf;
            }

return $this->_postProcessValidPackagexml($pf);
        }

return $info;
    }

/**
     * Return an XML document based on the package info (as returned
     * by the PEAR_Common::infoFrom* methods).
     *
     * @param array  $pkginfo  package info
     *
     * @return string XML data
     *
     * @access public
     * @deprecated use a PEAR_PackageFile_v* object's generator instead
     */
    function xmlFromInfo($pkginfo)
    {
        $config      = &PEAR_Config::singleton();
        $packagefile = new PEAR_PackageFile($config);
        $pf = &$packagefile->fromArray($pkginfo);
        $gen = &$pf->getDefaultGenerator();
        return $gen->toXml(PEAR_VALIDATE_PACKAGING);
    }

/**
     * Validate XML package definition file.
     *
     * @param  string $info Filename of the package archive or of the
     *                package definition file
     * @param  array $errors Array that will contain the errors
     * @param  array $warnings Array that will contain the warnings
     * @param  string $dir_prefix (optional) directory where source files
     *                may be found, or empty if they are not available
     * @access public
     * @return boolean
     * @deprecated use the validation of PEAR_PackageFile objects
     */
    function validatePackageInfo($info, &$errors, &$warnings, $dir_prefix = '')
    {
        $config      = &PEAR_Config::singleton();
        $packagefile = new PEAR_PackageFile($config);
        PEAR::staticPushErrorHandling(PEAR_ERROR_RETURN);
        if (strpos($info, '<?xml') !== false) {
            $pf = &$packagefile->fromXmlString($info, PEAR_VALIDATE_NORMAL, '');
        } else {
            $pf = &$packagefile->fromAnyFile($info, PEAR_VALIDATE_NORMAL);
        }

PEAR::staticPopErrorHandling();
        if (PEAR::isError($pf)) {
            $errs = $pf->getUserinfo();
            if (is_array($errs)) {
                foreach ($errs as $error) {
                    if ($error['level'] == 'error') {
                        $errors[] = $error['message'];
                    } else {
                        $warnings[] = $error['message'];
                    }
                }
            }

return false;
        }

return true;
    }

/**
     * Build a "provides" array from data returned by
     * analyzeSourceCode().  The format of the built array is like
     * this:
     *
     *  array(
     *    'class;MyClass' => 'array('type' => 'class', 'name' => 'MyClass'),
     *    ...
     *  )
     *
     *
     * @param array $srcinfo array with information about a source file
     * as returned by the analyzeSourceCode() method.
     *
     * @return void
     *
     * @access public
     *
     */
    function buildProvidesArray($srcinfo)
    {
        $file = basename($srcinfo['source_file']);
        $pn = '';
        if (isset($this->_packageName)) {
            $pn = $this->_packageName;
        }

$pnl = strlen($pn);
        foreach ($srcinfo['declared_classes'] as $class) {
            $key = "class;$class";
            if (isset($this->pkginfo['provides'][$key])) {
                continue;
            }

$this->pkginfo['provides'][$key] =
                array('file'=> $file, 'type' => 'class', 'name' => $class);
            if (isset($srcinfo['inheritance'][$class])) {
                $this->pkginfo['provides'][$key]['extends'] =
                    $srcinfo['inheritance'][$class];
            }
        }

foreach ($srcinfo['declared_methods'] as $class => $methods) {
            foreach ($methods as $method) {
                $function = "$class::$method";
                $key = "function;$function";
                if ($method[0] == '_' || !strcasecmp($method, $class) ||
                    isset($this->pkginfo['provides'][$key])) {
                    continue;
                }

$this->pkginfo['provides'][$key] =
                    array('file'=> $file, 'type' => 'function', 'name' => $function);
            }
        }

foreach ($srcinfo['declared_functions'] as $function) {
            $key = "function;$function";
            if ($function[0] == '_' || isset($this->pkginfo['provides'][$key])) {
                continue;
            }

if (!strstr($function, '::') && strncasecmp($function, $pn, $pnl)) {
                $warnings[] = "in1 " . $file . ": function \"$function\" not prefixed with package name \"$pn\"";
            }

$this->pkginfo['provides'][$key] =
                array('file'=> $file, 'type' => 'function', 'name' => $function);
        }
    }

/**
     * Analyze the source code of the given PHP file
     *
     * @param  string Filename of the PHP file
     * @return mixed
     * @access public
     */
    static function analyzeSourceCode($file)
    {
        if (!class_exists('PEAR_PackageFile_v2_Validator')) {
            require_once 'PEAR/PackageFile/v2/Validator.php';
        }

$a = new PEAR_PackageFile_v2_Validator;
        return $a->analyzeSourceCode($file);
    }

function detectDependencies($any, $status_callback = null)
    {
        if (!function_exists("token_get_all")) {
            return false;
        }

if (PEAR::isError($info = $this->infoFromAny($any))) {
            return $this->raiseError($info);
        }

if (!is_array($info)) {
            return false;
        }

$deps = array();
        $used_c = $decl_c = $decl_f = $decl_m = array();
        foreach ($info['filelist'] as $file => $fa) {
            $tmp = $this->analyzeSourceCode($file);
            $used_c = @array_merge($used_c, $tmp['used_classes']);
            $decl_c = @array_merge($decl_c, $tmp['declared_classes']);
            $decl_f = @array_merge($decl_f, $tmp['declared_functions']);
            $decl_m = @array_merge($decl_m, $tmp['declared_methods']);
            $inheri = @array_merge($inheri, $tmp['inheritance']);
        }

$used_c = array_unique($used_c);
        $decl_c = array_unique($decl_c);
        $undecl_c = array_diff($used_c, $decl_c);

return array('used_classes' => $used_c,
                     'declared_classes' => $decl_c,
                     'declared_methods' => $decl_m,
                     'declared_functions' => $decl_f,
                     'undeclared_classes' => $undecl_c,
                     'inheritance' => $inheri,
                     );
    }

/**
     * Download a file through HTTP.  Considers suggested file name in
     * Content-disposition: header and can run a callback function for
     * different events.  The callback will be called with two
     * parameters: the callback type, and parameters.  The implemented
     * callback types are:
     *
     *  'setup'       called at the very beginning, parameter is a UI object
     *                that should be used for all output
     *  'message'     the parameter is a string with an informational message
     *  'saveas'      may be used to save with a different file name, the
     *                parameter is the filename that is about to be used.
     *                If a 'saveas' callback returns a non-empty string,
     *                that file name will be used as the filename instead.
     *                Note that $save_dir will not be affected by this, only
     *                the basename of the file.
     *  'start'       download is starting, parameter is number of bytes
     *                that are expected, or -1 if unknown
     *  'bytesread'   parameter is the number of bytes read so far
     *  'done'        download is complete, parameter is the total number
     *                of bytes read
     *  'connfailed'  if the TCP connection fails, this callback is called
     *                with array(host,port,errno,errmsg)
     *  'writefailed' if writing to disk fails, this callback is called
     *                with array(destfile,errmsg)
     *
     * If an HTTP proxy has been configured (http_proxy PEAR_Config
     * setting), the proxy will be used.
     *
     * @param string  $url       the URL to download
     * @param object  $ui        PEAR_Frontend_* instance
     * @param object  $config    PEAR_Config instance
     * @param string  $save_dir  (optional) directory to save file in
     * @param mixed   $callback  (optional) function/method to call for status
     *                           updates
     * @param false|string|array $lastmodified header values to check against
     *                                         for caching
     *                                         use false to return the header
     *                                         values from this download
     * @param false|array        $accept       Accept headers to send
     * @param false|string       $channel      Channel to use for retrieving
     *                                         authentication
     *
     * @return mixed  Returns the full path of the downloaded file or a PEAR
     *                error on failure.  If the error is caused by
     *                socket-related errors, the error object will
     *                have the fsockopen error code available through
     *                getCode().  If caching is requested, then return the header
     *                values.
     *                If $lastmodified was given and the there are no changes,
     *                boolean false is returned.
     *
     * @access public
     */
    function downloadHttp(
        $url, &$ui, $save_dir = '.', $callback = null, $lastmodified = null,
        $accept = false, $channel = false
    ) {
        if (!class_exists('PEAR_Downloader')) {
            require_once 'PEAR/Downloader.php';
        }
        return PEAR_Downloader::_downloadHttp(
            $this, $url, $ui, $save_dir, $callback, $lastmodified,
            $accept, $channel
        );
    }
}

require_once 'PEAR/Config.php';
require_once 'PEAR/PackageFile.php';

cmd: