constructor PEAR_Info::PEAR_Info()

<?php
require_once 'PEAR/Info.php';

// Display only PEAR version and logo, reference to config file, list of channels
// and quick list of packages (with only version info) installed thru channels
// pear, __uri, pecl.
$options = array('resume' =>  PEAR_INFO_GENERAL | PEAR_INFO_CHANNELS | PEAR_INFO_PACKAGES_VERSION,
    'channels' => array('pear.php.net', '__uri', 'pecl.php_net')
);

// Give PEAR install directory where to find pear.ini or pearsys.ini files
$info = new PEAR_Info('c:\wamp\php', '', '', $options);

$info->display();

?>