f1_util.php

<?php

/**
 *
 * Copyright 2009 Fellowship Technologies
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
 * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and limitations under the License.
 *
 * Description of Util
 *
 * @author Jaskaran Singh (Jas)
 */
class Util {
    public static function urlencode_rfc3986($input) {
        if (is_array($input)) {
            return array_map(array('Util','urlencode_rfc3986'), $input);
        } else if (is_scalar($input)) {
            return str_replace('+', ' ',
                str_replace('%7E', '~', rawurlencode($input)));
        } else {
            return '';
        }
    }

 /**
   * parses the url and rebuilds it to be
   * scheme://host/path
   */

	/**
	 * CHANGED: getNormalizedHttpUrl() to static method 
	 */

    public static function getNormalizedHttpUrl($httpUrl) {
        $parts = parse_url($httpUrl);

        $port = @$parts['port'];
        $scheme = $parts['scheme'];
        $host = $parts['host'];
        $path = @$parts['path'];

        $port or $port = ($scheme == 'https') ? '443' : '80';

        if (($scheme == 'https' && $port != '443')
            || ($scheme == 'http' && $port != '80')) {
            $host = "$host:$port";
        }
        return "$scheme://$host$path";
    }

    public static function getPort($httpUrl) {
        $parts = parse_url($httpUrl);
        $port = @$parts['port'];
        $scheme = $parts['scheme'];
        $port or $port = ($scheme == 'https') ? '443' : '80';
        return $port;
    }

     public static function getHostName($httpUrl) {
        $parts = parse_url($httpUrl);
        $host = $parts['host'];
        return $host;
     }

     public static function getGuid() {

         // The field names refer to RFC 4122 section 4.1.2

         return sprintf('%04x%04x-%04x-%03x4-%04x-%04x%04x%04x',
             mt_rand(0, 65535), mt_rand(0, 65535), // 32 bits for "time_low"
             mt_rand(0, 65535), // 16 bits for "time_mid"
             mt_rand(0, 4095),  // 12 bits before the 0100 of (version) 4 for "time_hi_and_version"
             bindec(substr_replace(sprintf('%016b', mt_rand(0, 65535)), '01', 6, 2)),
             // 8 bits, the last two of which (positions 6 and 7) are 01, for "clk_seq_hi_res"
             // (hence, the 2nd hex digit after the 3rd hyphen can only be 1, 5, 9 or d)
             // 8 bits for "clk_seq_low"
             mt_rand(0, 65535), mt_rand(0, 65535), mt_rand(0, 65535) // 48 bits for "node"
         );
     }
}
?>