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我常用的commonfunction库

时间：2021-07-01 10:21:17 帮助过：4人阅读

有零填充、截取中文、halt、html跳转、js跳转、过滤html、检查邮箱合法、转换文字中的超链接为可点击连接、返回时间格式等等常用php函数库。

  1. //因为前后台都要用到，所以放在supermario文件夹下方便重用
  3. /**
  4. * 喔~可爱滴小数点~喔~可爱滴千位数~
  5. * 如果位数超过4位，则将第3位前增加,
  6. * @param int $gold
  7. * @return string
  8. */
  9. function showGold($gold) {
  10. return number_format($gold);
  11. }
  13. /**
  14. * 页面压缩输出
  15. */
  16. function ob_callback($buffer) {
  17. header('Etag: '.md5($buffer));
  18. if( extension_loaded('zlib') AND strstr($_SERVER["HTTP_ACCEPT_ENCODING"],"gzip") ) {
  19. $buffer = gzencode($buffer,9);
  20. header('Content-Encoding: gzip');
  21. header('Vary: Accept-Encoding');
  22. //header('Via: www.guangxitravel.cn');
  23. header('Content-Length: '.strlen($buffer));
  24. }
  25. return $buffer;
  26. }
  28. /**
  29. * 没有提示的情况下跳转页面
  30. * @param string $url
  31. * @param string $target
  32. */
  33. function go($url='', $target='parent') {
  34. if ($url != "") {
  35. echo('');
  36. } else {
  37. echo('');
  38. }
  39. }
  41. /**
  42. * 清除缓存，ECHO，然后DIE（可恶的javascript+php……纯文本输出，总会有一些空字符……）
  43. * @param string $msg
  44. */
  45. function justSay($msg) {
  46. ob_clean();
  47. die($msg);
  48. }
  50. /**
  51. * 将符合第二个参数的第一个参数里的内容替换为红色
  52. * @param string $data
  53. * @param array $keyword
  54. * @return string
  55. */
  56. function change_keyword($data, $keywords) {
  57. if (is_array($keywords)) {
  58. foreach ($keywords as $k => $v) {
  59. $data = str_replace($v, '' . $v . '', $data);
  60. }
  61. return $data;
  62. } else {
  63. return str_replace($keywords, '' . $keywords . '', $data);
  64. }
  65. }
  67. /**
  68. * 创建完全随机的颜色
  69. * @return string
  70. */
  71. function makeColor() {
  72. $key = '#';
  73. for ($i = 0; $i < 6; $i++)
  74. $key.= rand(0, 9);//生成php随机数
  75. return $key;
  76. }
  78. /**
  79. * 自动加载模型和第三方功能类
  80. * @param string $className
  81. */
  82. function autoLoad($className) {
  83. if (strstr($_SERVER['REQUEST_URI'], "/operator/") == false) { //服务器不支持SCRIPT_URL
  84. if (file_exists(siteRoot . '/client/model/' . $className . '.php')) {
  85. require_once siteRoot . '/client/model/' . $className . '.php';
  86. return;
  87. }
  88. } else {
  89. if (file_exists(siteRoot . '/manager/model/' . $className . '.php')) {
  90. require_once siteRoot . '/manager/model/' . $className . '.php';
  91. return;
  92. }
  93. }
  94. if (file_exists(siteRoot . '/public/modules/' . $className . '.php')) {
  95. require_once siteRoot . '/public/modules/' . $className . '.php';
  96. return;
  97. }
  98. if (file_exists(siteRoot . '/client/order/model/' . $className . '.php')) {
  99. require_once siteRoot . '/client/order/model/' . $className . '.php';
  100. return;
  101. }
  102. }
  104. /**
  105. * 用javascript弹出一条信息
  106. * @param $message
  107. */
  108. function message($message='') {
  109. echo('');
  110. }
  112. /**
  113. * 模拟strstr()的第三个参数，返回$h中，$n之前的数据
  114. * //$h = haystack, $n = needle
  115. * @param $h
  116. * @param $n
  117. * @return
  118. */
  119. function strstrb($h, $n) {
  120. return array_shift(explode($n, $h, 2));
  121. }
  123. /**
  124. * 显示错误信息，并跳转至$pageurl,含有样式
  125. *
  126. * @param string $messages
  127. * @param string $pageurl
  128. * @param int $msc 秒数
  129. */
  130. function msg($messages, $pageurl='javascript:history.back();', $msc=5) {
  131. echo 'System Message

  137. Web System Message

  140. ', $messages, '

  141. >>>请点此处返回

  144. ';
  145. exit();
  146. }
  148. /**
  149. * 检查后面的日期是否大于前面的日期
  150. * @param type $datecome 前面的日期
  151. * @param type $datego 后面的日期
  152. * @return type
  153. */
  154. function sub_date($datecome, $datego) {
  155. $d1 = strtotime($datecome);
  156. $d2 = strtotime($datego);
  157. $days = round(($d2 - $d1) / 3600 / 24);
  158. $days = $days < 1 ? 0 : $days;
  159. return $days;
  160. }
  162. /**
  163. * 将$string的$length后边的内容用$dot替换
  164. * @param string $string
  165. * @param int $length
  166. * @param string $dot
  167. * @return string
  168. */
  169. function cutstr($string, $length, $dot = '...') {
  170. @extract($string);
  171. if (strlen($string) <= $length) {
  172. return $string;
  173. }
  174. $string = htmlspecialchars($string);
  175. $string = str_replace(array('&', '"', '<', '>'), array('&', '"', '<', '>'), $string);
  176. $strcut = '';
  177. $n = $tn = $noc = 0;
  178. while ($n < strlen($string)) {
  179. $t = ord($string[$n]);
  180. if ($t == 9 || $t == 10 || (32 <= $t && $t <= 126)) {
  181. $tn = 1;
  182. $n++;
  183. $noc++;
  184. } elseif (194 <= $t && $t <= 223) {
  185. $tn = 2;
  186. $n += 2;
  187. $noc += 2;
  188. } elseif (224 <= $t && $t < 239) {
  189. $tn = 3;
  190. $n += 3;
  191. $noc += 2;
  192. } elseif (240 <= $t && $t <= 247) {
  193. $tn = 4;
  194. $n += 4;
  195. $noc += 2;
  196. } elseif (248 <= $t && $t <= 251) {
  197. $tn = 5;
  198. $n += 5;
  199. $noc += 2;
  200. } elseif ($t == 252 || $t == 253) {
  201. $tn = 6;
  202. $n += 6;
  203. $noc += 2;
  204. } else {
  205. $n++;
  206. }
  207. if ($noc >= $length) {
  208. break;
  209. }
  210. }
  211. if ($noc > $length) {
  212. $n -= $tn;
  213. }
  214. $strcut = substr($string, 0, $n);
  215. $strcut = str_replace(array('&', '"', '<', '>'), array('&', '"', '<', '>'), $strcut);
  216. return $strcut . $dot;
  217. }
  219. /**
  220. +----------------------------------------------------------
  221. * 如果 magic_quotes_gpc 为开启状态，则使用此方法使用为特殊符号前增加转移符号
  222. +----------------------------------------------------------
  223. * @access public
  224. +----------------------------------------------------------
  225. * @param string $value 可以为数组
  226. +----------------------------------------------------------
  227. * @return string
  228. +----------------------------------------------------------
  229. */
  230. function kaddslashes($value) {
  231. return $value = is_array($value) ? array_map('kaddslashes', $value) : addslashes($value);
  232. }
  234. /**
  235. +----------------------------------------------------------
  236. * 为特殊符号前去除转移符号
  237. +----------------------------------------------------------
  238. * @access public
  239. +----------------------------------------------------------
  240. * @param string $value 可以为数组
  241. +----------------------------------------------------------
  242. * @return string
  243. +----------------------------------------------------------
  244. */
  245. function kstripcslashes($value) {
  246. return $value = is_array($value) ? array_map('kstripcslashes', $value) : stripcslashes($value);
  247. }
  249. /**
  250. * 将字符串内容html实体化，避免一些非法信息直接执行。如果参数是数组，则递归。
  251. * @param string $value
  252. * @return array
  253. */
  254. function khtmlspecialchars($value) {
  255. return is_array($value) ? array_map('khtmlspecialchars', $value) :
  256. preg_replace('/&((#(\d{3,5}|x[a-fA-F0-9]{4})|[a-zA-Z][a-z0-9]{2,5});)/', '&\\1', str_replace(array('&', '"', '<', '>'), array('&', '"', '<', '>'), $value));
  257. }
  259. /**
  260. * 将字符串中的html去除，如果参数是数组，则递归。
  261. * @param string $value
  262. * @return array
  263. */
  264. function striptags($value) {
  265. return $value = is_array($value) ? array_map('striptags', $value) : strip_tags($value);
  266. }
  268. /**
  269. * 检查email的合法性
  270. *
  271. * @param string $email
  272. * @return bool
  273. */
  274. function check_email($email) {
  275. if (preg_match("/([a-z0-9]*[-_\.]?[a-z0-9]+)*@([a-z0-9]*[-_]?[a-z0-9]+)+[\.][a-z]{2,3}([\.][a-z]{2})?/i", $email)) {
  276. return true;
  277. } else {
  278. return false;
  279. }
  280. }
  282. /**
  283. * 安全电子邮件地址
  284. *
  285. * @param string $email
  286. * @param string $title
  287. * @param $attributes
  288. * @return
  289. */
  290. function safe_mailto($email, $title = '', $attributes = '') {
  291. if (is_array($email)) {
  292. $tmp = $email;
  293. unset($email);
  294. extract($tmp);
  295. }
  296. $title = (string) $title;
  298. if ($title == "") {
  299. $title = $email;
  300. }
  302. for ($i = 0; $i < 16; $i++) {
  303. $x[] = substr(' }
  305. for ($i = 0; $i < strlen($email); $i++) {
  306. $x[] = "|" . ord(substr($email, $i, 1));
  307. }
  309. $x[] = '"';
  311. if ($attributes != '') {
  312. if (is_array($attributes)) {
  313. foreach ($attributes as $key => $val) {
  314. $x[] = ' ' . $key . '="';
  315. for ($i = 0; $i < strlen($val); $i++) {
  316. $x[] = "|" . ord(substr($val, $i, 1));
  317. }
  318. $x[] = '"';
  319. }
  320. } else {
  321. for ($i = 0; $i < strlen($attributes); $i++) {
  322. $x[] = substr($attributes, $i, 1);
  323. }
  324. }
  325. }
  327. $x[] = '>';
  329. $temp = array();
  330. for ($i = 0; $i < strlen($title); $i++) {
  331. $ordinal = ord($title[$i]);
  333. if ($ordinal < 128) {
  334. $x[] = "|" . $ordinal;
  335. } else {
  336. if (count($temp) == 0) {
  337. $count = ($ordinal < 224) ? 2 : 3;
  338. }
  340. $temp[] = $ordinal;
  341. if (count($temp) == $count) {
  342. $number = ($count == 3) ? (($temp['0'] % 16) * 4096) + (($temp['1'] % 64) * 64) + ($temp['2'] % 64) : (($temp['0'] % 32) * 64) + ($temp['1'] % 64);
  343. $x[] = "|" . $number;
  344. $count = 1;
  345. $temp = array();
  346. }
  347. }
  348. }
  350. $x[] = '<';
  351. $x[] = '/';
  352. $x[] = 'a';
  353. $x[] = '>';
  355. $x = array_reverse($x);
  356. ob_start();
  357. ?> $buffer = ob_get_contents();
  358. ob_end_clean();
  359. if ($tmp == '' || $tmp == NULL) {
  360. return $buffer;
  361. } else {
  362. echo $buffer;
  363. }
  364. }
  366. /**
  367. +----------------------------------------------------------
  368. * 转换文字中的超链接为可点击连接
  369. +----------------------------------------------------------
  370. * @access public
  371. +----------------------------------------------------------
  372. * @param string $text 要处理的字符串
  373. +----------------------------------------------------------
  374. * @return string
  375. +----------------------------------------------------------
  376. */
  377. function makeLink($string) {
  378. $validChars = "a-z0-9\/\-_+=.~!%@?#&;:$\|";
  379. $patterns = array(
  380. "/(^|[^]_a-z0-9-=\"'\/])([a-z]+?):\/\/([{$validChars}]+)/ei",
  381. "/(^|[^]_a-z0-9-=\"'\/])www\.([a-z0-9\-]+)\.([{$validChars}]+)/ei",
  382. "/(^|[^]_a-z0-9-=\"'\/])ftp\.([a-z0-9\-]+)\.([{$validChars}]+)/ei",
  383. "/(^|[^]_a-z0-9-=\"'\/:\.])([a-z0-9\-_\.]+?)@([{$validChars}]+)/ei");
  384. $replacements = array(
  385. "'\\1\\2://'.Input::truncate( '\\3' ).''",
  386. "'\\1'.Input::truncate( 'www.\\2.\\3' ).''",
  387. "'\\1'.Input::truncate( 'ftp.\\2.\\3' ).''",
  388. "'\\1'.Input::truncate( '\\2@\\3' ).''");
  389. return preg_replace($patterns, $replacements, $string);
  390. }
  392. /**
  393. * 获取客户端浏览器
  394. * @return string
  395. */
  396. function browse_info() {
  397. $browser = "";
  398. $browserver = "";
  399. $Browsers = array("Lynx", "MOSAIC", "AOL", "Opera", "JAVA", "MacWeb", "WebExplorer", "OmniWeb");
  400. $Agent = $_SERVER["HTTP_USER_AGENT"]; //浏览器的全局变量
  401. for ($i = 0; $i <= 7; $i++) {
  402. if (strpos($Agent, $Browsers[$i])) {
  403. $browser = $Browsers[$i];
  404. $browserver = "";
  405. }
  406. }
  407. if (ereg("Mozilla", $Agent) && ereg("MSIE", $Agent)) {
  408. $temp = explode("(", $Agent);
  409. $Part = $temp[1];
  410. $temp = explode(";", $Part);
  411. $Part = $temp[1];
  412. $temp = explode(" ", $Part);
  413. $browserver = $temp[2];
  414. //$browserver =preg_replace("/([d.]+)/","1",$browserver);
  415. $browserver = "IE" . $browserver;
  416. $browser = "IE";
  417. }
  418. if (ereg("Mozilla", $Agent) && !ereg("MSIE", $Agent)) {
  419. $temp = explode("(", $Agent);
  420. $Part = $temp[0];
  421. $temp = explode("/", $Part);
  422. $browserver = $temp[1];
  423. $temp = explode(" ", $browserver);
  424. $browserver = $temp[0];
  425. $browserver = preg_replace("/([d.]+)/", "1", $browserver);
  426. $browserver = " $browserver";
  427. $browser = "Netscape Navigator";
  428. }
  430. if (ereg("Mozilla", $Agent) && ereg("Opera", $Agent)) {
  431. $temp = explode("(", $Agent);
  432. $Part = $temp[1];
  433. $temp = explode(")", $Part);
  434. $browserver = $temp[1];
  435. $temp = explode(" ", $browserver);
  436. $browserver = $temp[2];
  437. $browserver = preg_replace("/([\d\.]+)/", "1", $browserver);
  438. $browserver = " $browserver";
  439. $browser = "Opera";
  440. }
  441. //火狐浏览器
  442. if (ereg("Mozilla", $Agent) && ereg("Firefox", $Agent)) {
  443. $temp = explode("(", $Agent);
  444. $Part = $temp[1];
  445. $temp = explode(")", $Part);
  446. $browserver = $temp[1];
  447. $temp = explode(" ", $browserver);
  448. $browserver = $temp[2];
  449. $browser = "火狐";
  450. }
  451. //谷歌浏览器
  452. if (ereg("Mozilla", $Agent) && ereg("Chrome", $Agent)) {
  453. $temp = explode("(", $Agent);
  454. $temp = explode(" ", $temp[2]);
  455. $browserver = $temp['3']; //如果以后google升级不变位置的话就是它了
  456. $browser = "谷歌";
  457. }
  458. //360safe浏览器
  459. if (ereg("Mozilla", $Agent) && ereg("360SE", $Agent)) {
  460. //因为360浏览器，没有版本……
  461. $browserver = $browser = "360安全卫士";
  462. }
  463. if ($browser != "") {
  464. //$browseinfo = $browser.$browserver;
  465. $browseinfo = $browserver;
  466. } else {
  467. $browseinfo = "Unknown";
  468. }
  469. return $browseinfo;
  470. }
  472. /**
  473. * 返回时间格式
  474. * @name: prepareDate
  475. * @desc: prepares a date in the proper format for specific database types
  476. * given a UNIX timestamp
  477. * @param: $timestamp: a UNIX timestamp
  478. * @param: $fieldType: the type of field to format the date for
  479. * (in MySQL, you have DATE, TIME, YEAR, and DATETIME)
  480. */
  481. function prepareDate($timestamp, $fieldType = 'DATETIME') {
  482. $date = '';
  483. if (!$timestamp === false && $timestamp > 0) {
  484. switch ($fieldType) {
  485. case 'DATE' :
  486. $date = date('Y-m-d', $timestamp);
  487. break;
  488. case 'TIME' :
  489. $date = date('H:i:s', $timestamp);
  490. break;
  491. case 'YEAR' :
  492. $date = date('Y', $timestamp);
  493. break;
  494. default :
  495. $date = date('Y-m-d H:i:s', $timestamp);
  496. break;
  497. }
  498. }
  499. return $date;
  500. }
  503. /**
  504. * 适应多维数组的递归，并将其中重复的值去掉后返回
  505. * @param array $array
  506. * @return array
  507. */
  508. function super_unique($array) {
  509. $result = array_map("unserialize", array_unique(array_map("serialize", $array)));
  511. foreach ($result as $key => $value) {
  512. if (is_array($value)) {
  513. $result[$key] = super_unique($value);
  514. }
  515. }
  517. return $result;
  518. }
  520. /**
  521. * 如果数值不满足2位，自动补零
  522. * @param int $num
  523. * @return int
  524. */
  525. function fullzero($num){
  526. if(strlen($num)!=2){
  527. return '0'.$num;
  528. }else{
  529. return $num;
  530. }
  531. }
  533. //返回上一个url
  534. function get_visit_url(){
  535. return $_SERVER['HTTP_REFERER'];
  536. }
  537. ?>

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