inc/MyTool.class.php

   1 <?php
   2 class MyTool
   3 {
   4     public static function initPhp()
   5     {
   6         define('START_TIME', microtime(true));
   7
   8         if (phpversion() < 5) {
   9             die("Argh you don't have PHP 5 !");
  10         }
  11
  12         error_reporting(E_ALL);
  13
  14         function stripslashesDeep($value) {
  15             return is_array($value)
  16                 ? array_map('stripslashesDeep', $value)
  17                 : stripslashes($value);
  18         }
  19
  20         if (get_magic_quotes_gpc()) {
  21             $_POST = array_map('stripslashesDeep', $_POST);
  22             $_GET = array_map('stripslashesDeep', $_GET);
  23             $_COOKIE = array_map('stripslashesDeep', $_COOKIE);
  24         }
  25
  26         ob_start();
  27         register_shutdown_function('ob_end_flush');
  28     }
  29
  30     public static function isUrl($url)
  31     {
  32         // http://neo22s.com/check-if-url-exists-and-is-online-php/
  33         $pattern='|^http(s)?://[a-z0-9-]+(.[a-z0-9-]+)*(:[0-9]+)?(/.*)?$|i';
  34
  35         return preg_match($pattern, $url);
  36     }
  37
  38     public static function isEmail($email)
  39     {
  40         $pattern = "/^[A-Z0-9._%-]+@[A-Z0-9.-]+\.[A-Z]{2, 4}$/i";
  41
  42         return (preg_match($pattern, $email));
  43     }
  44
  45     public static function formatBBCode($text)
  46     {
  47         $replace = array(
  48             '/\[m\](.+?)\[\/m\]/is'
  49             => '/* moderate */',
  50             '/\[b\](.+?)\[\/b\]/is'
  51             => '<strong>$1</strong>',
  52             '/\[i\](.+?)\[\/i\]/is'
  53             => '<em>$1</em>',
  54             '/\[s\](.+?)\[\/s\]/is'
  55             => '<del>$1</del>',
  56             '/\[u\](.+?)\[\/u\]/is'
  57             => '<span style="text-decoration: underline;">$1</span>',
  58             '/\[url\](.+?)\[\/url]/is'
  59             => '<a href="$1">$1</a>',
  60             '/\[url=(\w+:\/\/[^\]]+)\](.+?)\[\/url]/is'
  61             => '<a href="$1">$2</a>',
  62             '/\[quote\](.+?)\[\/quote\]/is'
  63             => '<blockquote>$1</blockquote>',
  64             '/\[code\](.+?)\[\/code\]/is'
  65             => '<code>$1</code>',
  66             '/\[([^[]+)\|([^[]+)\]/is'
  67             => '<a href="$2">$1</a>'
  68             );
  69         $text = preg_replace(
  70             array_keys($replace),
  71             array_values($replace),
  72             $text
  73         );
  74
  75         return $text;
  76     }
  77
  78     public static function formatText($text)
  79     {
  80         $text = preg_replace_callback(
  81             '/<code_html>(.*?)<\/code_html>/is',
  82             create_function(
  83                 '$matches',
  84                 'return htmlspecialchars($matches[1]);'
  85             ),
  86             $text
  87         );
  88         $text = preg_replace_callback(
  89             '/<code_php>(.*?)<\/code_php>/is',
  90             create_function(
  91                 '$matches',
  92                 'return highlight_string("<?php $matches[1] ?>", true);'
  93             ),
  94             $text
  95         );
  96         $text = preg_replace('/<br \/>/is', '', $text);
  97
  98         $text = preg_replace(
  99             '#(^|\s)([a-z]+://([^\s\w/]?[\w/])*)(\s|$)#im',
 100             '\\1<a href="\\2">\\2</a>\\4',
 101             $text
 102         );
 103         $text = preg_replace(
 104             '#(^|\s)wp:?([a-z]{2}|):([\w]+)#im',
 105             '\\1<a href="http://\\2.wikipedia.org/wiki/\\3">\\3</a>',
 106             $text
 107         );
 108         $text = str_replace(
 109             'http://.wikipedia.org/wiki/',
 110             'http://www.wikipedia.org/wiki/',
 111             $text
 112         );
 113         $text = str_replace('\wp:', 'wp:', $text);
 114         $text = str_replace('\http:', 'http:', $text);
 115         $text = MyTool::formatBBCode($text);
 116         $text = nl2br($text);
 117
 118         return $text;
 119     }
 120
 121     public static function getUrl()
 122     {
 123         $https = (!empty($_SERVER['HTTPS'])
 124                   && (strtolower($_SERVER['HTTPS']) == 'on'))
 125             || (isset($_SERVER["SERVER_PORT"])
 126                 && $_SERVER["SERVER_PORT"] == '443'); // HTTPS detection.
 127         $serverport = (!isset($_SERVER["SERVER_PORT"])
 128                        || $_SERVER["SERVER_PORT"] == '80'
 129                        || ($https && $_SERVER["SERVER_PORT"] == '443')
 130                        ? ''
 131                        : ':' . $_SERVER["SERVER_PORT"]);
 132
 133         $scriptname = str_replace('/index.php', '/', $_SERVER["SCRIPT_NAME"]);
 134
 135         if (!isset($_SERVER["SERVER_NAME"])) {
 136             return $scriptname;
 137         }
 138
 139         return 'http' . ($https ? 's' : '') . '://'
 140             . $_SERVER["SERVER_NAME"] . $serverport . $scriptname;
 141     }
 142
 143     public static function rrmdir($dir)
 144     {
 145         if (is_dir($dir) && ($d = @opendir($dir))) {
 146             while (($file = @readdir($d)) !== false) {
 147                 if ( $file == '.' || $file == '..' ) {
 148                     continue;
 149                 } else {
 150                     unlink($dir . '/' . $file);
 151                 }
 152             }
 153         }
 154     }
 155
 156     public static function humanBytes($bytes)
 157     {
 158         $siPrefix = array( 'bytes', 'KB', 'MB', 'GB', 'TB', 'EB', 'ZB', 'YB' );
 159         $base = 1024;
 160         $class = min((int) log($bytes, $base), count($siPrefix) - 1);
 161         $val = sprintf('%1.2f', $bytes / pow($base, $class));
 162
 163         return $val . ' ' . $siPrefix[$class];
 164     }
 165
 166     public static function returnBytes($val)
 167     {
 168         $val = trim($val);
 169         $last = strtolower($val[strlen($val)-1]);
 170         switch($last)
 171         {
 172         case 'g': $val *= 1024;
 173         case 'm': $val *= 1024;
 174         case 'k': $val *= 1024;
 175         }
 176
 177         return $val;
 178     }
 179
 180     public static function getMaxFileSize()
 181     {
 182         $sizePostMax = MyTool::returnBytes(ini_get('post_max_size'));
 183         $sizeUploadMax = MyTool::returnBytes(ini_get('upload_max_filesize'));
 184
 185         // Return the smaller of two:
 186         return min($sizePostMax, $sizeUploadMax);
 187     }
 188
 189     public static function smallHash($text)
 190     {
 191         $t = rtrim(base64_encode(hash('crc32', $text, true)), '=');
 192         // Get rid of characters which need encoding in URLs.
 193         $t = str_replace('+', '-', $t);
 194         $t = str_replace('/', '_', $t);
 195         $t = str_replace('=', '@', $t);
 196
 197         return $t;
 198     }
 199
 200     public static function renderJson($data)
 201     {
 202         header('Cache-Control: no-cache, must-revalidate');
 203         header('Expires: Sat, 26 Jul 1997 05:00:00 GMT');
 204         header('Content-type: application/json; charset=UTF-8');
 205
 206         echo json_encode($data);
 207         exit();
 208     }
 209
 210     public static function grabToLocal($url, $file, $force = false)
 211     {
 212         if ((!file_exists($file) || $force) && in_array('curl', get_loaded_extensions())){
 213             $ch = curl_init ($url);
 214             curl_setopt($ch, CURLOPT_HEADER, false);
 215             curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
 216             curl_setopt($ch, CURLOPT_BINARYTRANSFER, true);
 217             $raw = curl_exec($ch);
 218             if (curl_getinfo($ch, CURLINFO_HTTP_CODE) == 200) {
 219                 $fp = fopen($file, 'x');
 220                 fwrite($fp, $raw);
 221                 fclose($fp);
 222             }
 223             curl_close ($ch);
 224         }
 225     }
 226
 227     public static function redirect($rurl = '')
 228     {
 229         if ($rurl === '') {
 230             // if (!empty($_SERVER['HTTP_REFERER']) && strcmp(parse_url($_SERVER['HTTP_REFERER'],PHP_URL_HOST),$_SERVER['SERVER_NAME'])==0)
 231             $rurl = (empty($_SERVER['HTTP_REFERER'])?'?':$_SERVER['HTTP_REFERER']);
 232             if (isset($_POST['returnurl'])) {
 233                 $rurl = $_POST['returnurl'];
 234             }
 235         }
 236
 237         // prevent loop
 238         if (empty($rurl) || parse_url($rurl, PHP_URL_QUERY) === $_SERVER['QUERY_STRING']) {
 239             $rurl = MyTool::getUrl();
 240         }
 241
 242         if (substr($rurl, 0, 1) !== '?') {
 243             $ref = MyTool::getUrl();
 244             if (substr($rurl, 0, strlen($ref)) !== $ref) {
 245                 $rurl = $ref;
 246             }
 247         }
 248         header('Location: '.$rurl);
 249         exit();
 250     }
 251
 252     public static function silence_errors($num, $str)
 253     {
 254 // No-op
 255     }
 256 }