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2. /**
3. * Helper class
4. * @author www.shouce.ren
5. *
6. */
7. class Helper
8. {
9. /**
10. * Determine the current server system
11. * @return string
12. */
13. public static function getOS(){
14. if(PATH_SEPARATOR == ':'){
15. ?????????return?'Linux';?
16. }else{
17. ?return 'Windows';
18. } ?
19. ?}?
20. /**
21. * Current microsecond number
22. * @return number
23. */
24. public static function microtime_float() {
25. list ( $usec, $sec ) = explode ( " ", microtime () );
26. return (( float ) $usec ( float ) $sec);
27. }??
28. ????/**
29. * Cut a string in utf-8 format (one Chinese character or character occupies one byte)
30. *
31. * @author zhao jinhan
32. * @version v1.0.0
33. *
34. */??
35. ????public?static?function?truncate_utf8_string($string,?$length,?$etc?=?'...')?{??
36. ????????$result?=?'';??
37. ????????$string?=?html_entity_decode?(?trim?(?strip_tags?(?$string?)?),?ENT_QUOTES,?'UTF-8'?);??
38. ????????$strlen?=?strlen?(?$string?);??
39. ????????for($i?=?0;?(($i?$strlen)?&&?($length?>?0));?$i? )?{??
40. ????????????if?($number?=?strpos?(?str_pad?(?decbin?(?ord?(?substr?(?$string,?$i,?1?)?)?),?8,?'0',?STR_PAD_LEFT?),?'0'?))?{??
41. ????????????????if?($length?
42. ????????????????????break;??
43. ????????????????}??
44. ????????????????$result?.=?substr?(?$string,?$i,?$number?);??
45. ????????????????$length?-=?1.0;??
46. ????????????????$i? =?$number?-?1;??
47. ????????????}?else?{??
48. ????????????????$result?.=?substr?(?$string,?$i,?1?);??
49. ????????????????$length?-=?0.5;??
50. ????????????}??
51. ????????}??
52. ????????$result?=?htmlspecialchars?(?$result,?ENT_QUOTES,?'UTF-8'?);??
53. ????????if?($i?$strlen)?{??
54. ????????????$result?.=?$etc;??
55. ????????}??
56. ????????return?$result;??
57. ????}??
58. ????/**
59. * Traverse folders
60. * @param string $dir
61. * @param boolean $all true means recursive traversal
62. * @return array
63. */??
64. ????public?static?function?scanfDir($dir='',?$all?=?false,?&$ret?=?array()){??
65. ????????if?(?false?!==?($handle?=?opendir?(?$dir?)))?{??
66. ????????????while?(?false?!==?($file?=?readdir?(?$handle?))?)?{??
67. ????????????????if?(!in_array($file,?array('.',?'..',?'.git',?'.gitignore',?'.svn',?'.htaccess',?'.buildpath','.project')))?{??
68. ????????????????????$cur_path?=?$dir?.?'/'?.?$file;??
69. ????????????????????if?(is_dir?(?$cur_path?))?{??
70. ????????????????????????$ret['dirs'][]?=$cur_path;??
71. ????????????????????????$all?&&?self::scanfDir(?$cur_path,?$all,?$ret);??
72. ????????????????????}?else?{??
73. ????????????????????????$ret?['files']?[]?=?$cur_path;??
74. ????????????????????}??
75. ????????????????}??
76. ????????????}??
77. ????????????closedir?(?$handle?);??
78. ????????}??
79. ????????return?$ret;??
80. ????}
81. /**?
82. ?????*?郵件發(fā)送?
83. ?????*?@param?string?$toemail?
84. ?????*?@param?string?$subject?
85. ?????*?@param?string?$message?
86. ?????*?@return?boolean?
87. ?????*/
88. public static function sendMail($toemail = '', $subject = '', $message = '') {
89. $mailer = Yii::createComponent ( 'application.extensions.mailer.EMailer' );
90. //Email configuration
91. $mailer->SetLanguage('zh_cn');
92. $mailer->Host = Yii::app()->params['emailHost']; //Sending mail server
93. $mailer->Port = Yii::app()->params['emailPort']; //Mail port
94. $mailer->Timeout = Yii::app()->params['emailTimeout'];//Email sending timeout
95. ?$mailer->ContentType = 'text/html';//Set html format
96. $mailer->SMTPAuth = true;
97. $mailer->Username = Yii::app()->params['emailUserName'];
98. $mailer->Password = Yii::app()->params['emailPassword'];
99. $mailer->IsSMTP ();
100. ?$mailer->From = $mailer->Username; // Sender’s email address
101. $mailer->FromName = Yii::app()->params['emailFormName']; // Sender’s name
102. $mailer->AddReplyTo ( $mailer->Username );
103. $mailer->CharSet = 'UTF-8';
104. ?//Add email log?
105. $modelMail = new MailLog ();
106. $modelMail->accept = $toemail;
107. $modelMail->subject = $subject;
108. $modelMail->message = $message;
109. ????????$modelMail->send_status?=?'waiting';??
110. ????????$modelMail->save?();??
111. ????????//?發(fā)送郵件??
112. ????????$mailer->AddAddress?(?$toemail?);??
113. ????????$mailer->Subject?=?$subject;??
114. ????????$mailer->Body?=?$message;??
115. ????????if?($mailer->Send?()?===?true)?{??
116. ????????????$modelMail->times?=?$modelMail->times? ?1;??
117. ????????????$modelMail->send_status?=?'success';??
118. ????????????$modelMail->save?();??
119. ????????????return?true;??
120. ????????}?else?{??
121. ????????????$error?=?$mailer->ErrorInfo;??
122. ????????????$modelMail->times?=?$modelMail->times? ?1;??
123. ????????????$modelMail->send_status?=?'failed';??
124. ????????????$modelMail->error?=?$error;??
125. ????????????$modelMail->save?();??
126. ????????????return?false;??
127. ????????}??
128. ????}
129. /**
130. * Determine whether the string is utf-8 or gb2312
131. * @param unknown $str
132. * @param string $default
133. * @return string
134. */
135. public static function utf8_gb2312($str, $default = 'gb2312')
136. {
137. ?$str = preg_replace("/[x01-x7F] /", "", $str);
138. if (emptyempty($str)) return $default;
139. $preg = array(
140. ???????????????????????????????????????????????????????????????????????? ??????????????????????????????????????????????????????????????????????????????????????????????????????conditions), this range actually includes Traditional Chinese characters
141. ); if ($default == 'gb2312') {
143. ???????????????????????????????????????????????????????????????????????????????????????????? } ?else { ? ??????????????????????????????????????????????????????????????????????????????????????????? } ?
144. if (!preg_match($preg[$default], $str)) {
146. ????????return?$option;?
147. } ?
148. $str = @iconv($default, $option, $str);
149. //Cannot be converted to $option, indicating that the original one is not $default
if (
150. empty
empty(
151. $str)) { ????????return?$option;?
152. } ?
153. return $default; }??
154. ????/**
155. * UTF-8 and gb2312 automatic conversion
156. * @param unknown $string
157. * @param string $outEncoding
158. * @return unknown|string
159. */??
160. ????public?static?function?safeEncoding($string,$outEncoding?=?'UTF-8')??
161. ????{??
162. ????????$encoding?=?"UTF-8";??
163. ????????for($i?=?0;?$i?strlen?(?$string?);?$i? )?{??
164. ????????????if?(ord?(?$string?{$i}?)?
165. ????????????????continue;??
166. ????????????if?((ord?(?$string?{$i}?)?&?224)?==?224)?{??
167. ????????????????//?第一個字節(jié)判斷通過??
168. ????????????????$char?=?$string?{ ?$i};??
169. ????????????????if?((ord?(?$char?)?&?128)?==?128)?{??
170. ????????????????????//?第二個字節(jié)判斷通過??
171. ????????????????????$char?=?$string?{ ?$i};??
172. ????????????????????if?((ord?(?$char?)?&?128)?==?128)?{??
173. ????????????????????????$encoding?=?"UTF-8";??
174. ????????????????????????break;??
175. ????????????????????}??
176. ????????????????}??
177. ????????????}??
178. ????????????if?((ord?(?$string?{$i}) & 192) == 192) {
179. ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ??????????$char =
$string {
180. $i}; ???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? ?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????
?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????
181. ?????????????????????????????????????????????????????????????????????????????????????????? ????????????????????????????????????????????????????????????????????????????????????????????????? ??????????????????????????????????????????????????????????????????????????????????????????????? } ?
182. if (strtoupper ( $encoding) ==
strtoupper (
183. $outEncoding))
184. ???????????return?
$string;?
?
187. else?
188. ?return @iconv ($encoding, $outEncoding, $string);?
?}?
189. /**
190. * Returns all values ??of a key name in the two-dimensional array
191. * @param input $array * @param string $key * @return array
193. */
194. public static function array_key_values(
$array =
195. array(), $key='')
{
198. $ret =
array();
199. ?foreach((array)$array as?$k=>$v){?
???
201. $ret[$k] = $v[$key];
202. } ? return $ret; }??
203. ????/**
204. * Determine whether the file/directory is writable (replacing the system's own is_writeable function)
205. * @param string $file file/directory
206. * @return boolean
207. */??
208. ????public?static?function?is_writeable($file)?{??
209. ????????if?(is_dir($file)){??
210. ????????????$dir?=?$file;??
211. ????????????if?($fp?=?@fopen("$dir/test.txt",?'w'))?{??
212. ????????????????@fclose($fp);??
213. ????????????????@unlink("$dir/test.txt");??
214. ????????????????$writeable?=?1;??
215. ????????????}?else?{??
216. ????????????????$writeable?=?0;??
217. ????????????}??
218. ????????}?else?{??
219. ????????????if?($fp?=?@fopen($file,?'a '))?{??
220. ????????????????@fclose($fp);??
221. ????????????????$writeable?=?1;??
222. ????????????}?else?{??
223. ????????????????$writeable?=?0;??
224. ????????????}??
225. ????????}??
226. ????????return?$writeable;??
227. ????}??
228. ????/**
229. * Formatting unit
230. */??
231. ????static?public?function?byteFormat(?$size,?$dec?=?2?)?{??
232. ????????$a?=?array?(?"B"?,?"KB"?,?"MB"?,?"GB"?,?"TB"?,?"PB"?);??
233. ????????$pos?=?0;??
234. ????????while?(?$size?>=?1024?)?{??
235. ????????????$size?/=?1024;??
236. ????????????$pos? ;??
237. ????????}??
238. ????????return?round(?$size,?$dec?)?.?"?"?.?$a[$pos];??
239. ????}??
240. ????/**
241. * Drop-down box, radio button automatic selection
242. *
243. * @param $string Input characters
244. * @param $param Conditions
245. * @param $type Type
246. * selected checked
247. * @return string
248. */??
249. ????static?public?function?selected(?$string,?$param?=?1,?$type?=?'select'?)?{??
250. ????????$true?=?false;??
251. ????????if?(?is_array(?$param?)?)?{??
252. ????????????$true?=?in_array(?$string,?$param?);??
253. ????????}elseif?(?$string?==?$param?)?{??
254. ????????????$true?=?true;??
255. ????????}??
256. ????????$return='';??
257. ????????if?(?$true?)??
258. ????????????$return?=?$type?==?'select'???'selected="selected"'?:?'checked="checked"';??
259. ????????echo?$return;??
260. ????}
261. /**
262. * Download remote images
263. * @param string $url The absolute url of the image
264. * @param string $filepath The full path of the file (such as /www/images/test). This function will automatically determine the suffix name of the image based on the image URL and http header information
265. * @param string $filename The name of the file to be saved (excluding extension)
266. * @return mixed Returns an array describing the image information if the download is successful, false if the download fails
267. */
268. static public function downloadImage($url, $filepath, $filename) {
269. //Header information returned by the server
270. $responseHeaders = array();
271. ?//Original picture name
272. $originalfilename = '';
273. //The suffix name of the picture
274. $ext = '';
275. $ch = curl_init($url);
276. //Set the value returned by curl_exec to include the HTTP header
277. curl_setopt($ch, CURLOPT_HEADER, 1);
278. //Set the value returned by curl_exec to include Http content
279. curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
280. //Set the page after crawling jump (http 301, 302)
281. curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
282. //Set the maximum number of HTTP redirects
283. curl_setopt($ch, CURLOPT_MAXREDIRS, 3);
284. //Data returned by the server (including http header information and content)
285. $html = curl_exec($ch);
286. //Get relevant information about this crawl
287. $httpinfo = curl_getinfo($ch);
288. curl_close($ch);
289. if ($html !== false) {
290. ?????????????????????????????????????????????????????????????????????????????????????????????????????? // Separate the header and body of the response. Since the server may use 302 jumps, the string needs to be separated into 2 substrings with the number of jumps
?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????>
292. ?//The penultimate paragraph is the http header of the server’s last response
293. ?$header = $httpArr[count($httpArr) - 2];
294. ?//The penultimate paragraph is the content of the server’s last response
295. ?$body = $httpArr[count($httpArr) - 1];
296. ???????$header.="rn";?
297. ?//Get the header information of the last response
298. preg_match_all('/([a-z0-9-_] ):s*([^rn] )rn/i', $header, $matches);
299. ?if (!emptyempty($matches) && count($matches) == 3 && !emptyempty( $matches[1]) && !emptyempty($matches[1])) {
300. ??????????for ($i = 0; $i count($matches[1]); $i ) {?
301. ??????????????if (array_key_exists($i, $matches[2])) {?
302. ????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? $responseHeaders[$matches[1][$i]] = $matches[2][$i]; > ????????????????????????????????????????????????????????????????????????????????????????????????????????? ?????????????????????????????????????????????????????????????????????????????????????????????????
???????????????????????????????????????????????????????????????????????????????????????????????
303. ??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????
?
304. if (0 '{(?:[^/\\] ).(jpg|jpeg|gif|png|bmp)$}i',
305. $url ,
$matches)) {
307. ????????????$originalfilename = $matches[0]; ????????????$ext =
$matches[1];
308. } ?else { ?
309. ???????????if (array_key_exists('Content-Type',
$responseHeaders)) {?
311. ???????????????????????????????????????????????????????????????????????????????????????????????i', $responseHeaders['Content-Type'], $extmatches)) {
312. ????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? ????????????????????????????????????????????????????????????????????????????????????????????????????????? ????????????????????????????????????????????????????????????????????????????????????????????????? ??????????????????????????????????????????????????????????????????????????????????????????????? ?
//Save the file
314. ?
if (!
315. empty
empty(
316. $ext)) {
317. ????????????????//If the directory does not exist, you must create the directory first ???????????if(!is_dir(
$filepath)){?
319. ??????????????????mkdir($filepath, 0777, true); ?????????????????????????????????????????????????????????????????????????????????????????????????
??????????
320. $filepath .= '/'.$filename.".$ext";?
322. ????????????$local_file = fopen($filepath, 'w');?
323. ??????????????????????????????????????????????????????????????????????????????????????????? ????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? fclose($local_file); ????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? ????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????,
'height' =>
324. $sizeinfo[1], 'orginalfilename' => >$filepath, PATHINFO_BASENAME)); ????????????????????????????????????????????????????????????????????????????????????????????????????????? ?????????????????????????????????????????????????????????????????????????????????????????????????
???????????????????????????????????????????????????????????????????????????????????????????????
325. } ? ?return false; }??
326. ????/**
327. * Find if the IP is in a certain rank
328. * @param string $ip The IP to be queried
329. * @param $arrIP Banned ip
330. * @return boolean
331. */??
332. ????public?static?function?ipAccess($ip='0.0.0.0',?$arrIP?=?array()){??
333. ????????$access?=?true;??
334. ????????$ip?&&?$arr_cur_ip?=?explode('.',?$ip);??
335. ????????foreach((array)$arrIP?as?$key=>?$value){??
336. ????????????if($value?==?'*.*.*.*'){??
337. ????????????????$access?=?false;?//禁止所有??
338. ????????????????break;??
339. ????????????}??
340. ????????????$tmp_arr?=?explode('.',?$value);??
341. ????????????if(($arr_cur_ip[0]?==?$tmp_arr[0])?&&?($arr_cur_ip[1]?==?$tmp_arr[1]))?{??
342. ????????????????//前兩段相同??
343. ????????????????if(($arr_cur_ip[2]?==?$tmp_arr[2])?||?($tmp_arr[2]?==?'*')){??
344. ????????????????????//第三段為*?或者相同??
345. ????????????????????if(($arr_cur_ip[3]?==?$tmp_arr[3])?||?($tmp_arr[3]?==?'*')){??
346. ????????????????????????//第四段為*?或者相同??
347. ????????????????????????$access?=?false;?//在禁止ip列，則禁止訪問??
348. ????????????????????????break;??
349. ????????????????????}??
350. ????????????????}
351. ???????????????????????????????????????????????????????????????????????????????????????????????
} ?
353. return $access;
?}?
355. /**
356. * @param string $string Original text or cipher text
357. * @param string $operation operation (ENCODE | DECODE), the default is DECODE
358. * @param string $key key
359. * @param int $expiry Ciphertext validity period, valid when encrypted, unit seconds, 0 means permanent validity
360. * @return string The processed original text or the cipher text processed by base64_encode
361. *
362. * @example
363. *
364. * $a = authcode('abc', 'ENCODE', 'key');
365. * $b = authcode($a, 'DECODE', 'key'); // $b(abc)
366. *
367. * $a = authcode('abc', 'ENCODE', 'key', 3600);