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Rumah pembangunan bahagian belakang tutorial php php 的常用函数

php 的常用函数

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Jul 25, 2016 am 08:50 AM
php 的常用函数
  1. /**
  2. * 获取客户端IP
  3. * @return [string] [description]
  4. */
  5. function getClientIp() {
  6. $ip = NULL;
  7. if (isset($_SERVER['HTTP_X_FORWARDED_FOR'])) {
  8. $arr = explode(',', $_SERVER['HTTP_X_FORWARDED_FOR']);
  9. $pos = array_search('unknown',$arr);
  10. if(false !== $pos) unset($arr[$pos]);
  11. $ip = trim($arr[0]);
  12. }elseif (isset($_SERVER['HTTP_CLIENT_IP'])) {
  13. $ip = $_SERVER['HTTP_CLIENT_IP'];
  14. }elseif (isset($_SERVER['REMOTE_ADDR'])) {
  15. $ip = $_SERVER['REMOTE_ADDR'];
  16. }
  17. // IP地址合法验证
  18. $ip = (false !== ip2long($ip)) ? $ip : '0.0.0.0';
  19. return $ip;
  20. }
  22. /**
  23. * 获取在线IP
  24. * @return String
  25. */
  26. function getOnlineIp($format=0) {
  27. global $S_GLOBAL;
  28. if(empty($S_GLOBAL['onlineip'])) {
  29. if(getenv('HTTP_CLIENT_IP') && strcasecmp(getenv('HTTP_CLIENT_IP'), 'unknown')) {
  30. $onlineip = getenv('HTTP_CLIENT_IP');
  31. } elseif(getenv('HTTP_X_FORWARDED_FOR') && strcasecmp(getenv('HTTP_X_FORWARDED_FOR'), 'unknown')) {
  32. $onlineip = getenv('HTTP_X_FORWARDED_FOR');
  33. } elseif(getenv('REMOTE_ADDR') && strcasecmp(getenv('REMOTE_ADDR'), 'unknown')) {
  34. $onlineip = getenv('REMOTE_ADDR');
  35. } elseif(isset($_SERVER['REMOTE_ADDR']) && $_SERVER['REMOTE_ADDR'] && strcasecmp($_SERVER['REMOTE_ADDR'], 'unknown')) {
  36. $onlineip = $_SERVER['REMOTE_ADDR'];
  37. }
  38. preg_match("/[\d\.]{7,15}/", $onlineip, $onlineipmatches);
  39. $S_GLOBAL['onlineip'] = $onlineipmatches[0] ? $onlineipmatches[0] : 'unknown';
  40. }
  42. if($format) {
  43. $ips = explode('.', $S_GLOBAL['onlineip']);
  44. for($i=0;$i $ips[$i] = intval($ips[$i]);
  45. }
  46. return sprintf('%03d%03d%03d', $ips[0], $ips[1], $ips[2]);
  47. } else {
  48. return $S_GLOBAL['onlineip'];
  49. }
  50. }
  54. /**
  55. * 获取url
  56. * @return [type] [description]
  57. */
  58. function getUrl(){
  59. $pageURL = 'http';
  60. if (isset($_SERVER["HTTPS"]) && $_SERVER["HTTPS"] == "on") {
  61. $pageURL .= "s";
  62. }
  63. $pageURL .= "://";
  64. if ($_SERVER["SERVER_PORT"] != "80") {
  65. $pageURL .= $_SERVER["HTTP_HOST"] . ":" . $_SERVER["SERVER_PORT"] . $_SERVER["REQUEST_URI"];
  66. } else {
  67. $pageURL .= $_SERVER["HTTP_HOST"] . $_SERVER["REQUEST_URI"];
  68. }
  69. return $pageURL;
  70. }
  72. /**
  73. * 获取当前站点的访问路径根目录
  74. * @return [type] [description]
  75. */
  76. function getSiteUrl() {
  77. $uri = $_SERVER['REQUEST_URI']?$_SERVER['REQUEST_URI']:($_SERVER['PHP_SELF']?$_SERVER['PHP_SELF']:$_SERVER['SCRIPT_NAME']);
  78. return 'http://'.$_SERVER['HTTP_HOST'].substr($uri, 0, strrpos($uri, '/')+1);
  79. }
  83. /**
  84. * 字符串截取，支持中文和其他编码
  85. * @param [string] $str [字符串]
  86. * @param integer $start [起始位置]
  87. * @param integer $length [截取长度]
  88. * @param string $charset [字符串编码]
  89. * @param boolean $suffix [是否有省略号]
  90. * @return [type] [description]
  91. */
  92. function msubstr($str, $start=0, $length=15, $charset="utf-8", $suffix=true) {
  93. if(function_exists("mb_substr")) {
  94. return mb_substr($str, $start, $length, $charset);
  95. } elseif(function_exists('iconv_substr')) {
  96. return iconv_substr($str,$start,$length,$charset);
  97. }
  98. $re['utf-8'] = "/[\x01-\x7f]|[\xc2-\xdf][\x80-\xbf]|[\xe0-\xef][\x80-\xbf]{2}|[\xf0-\xff][\x80-\xbf]{3}/";
  99. $re['gb2312'] = "/[\x01-\x7f]|[\xb0-\xf7][\xa0-\xfe]/";
  100. $re['gbk'] = "/[\x01-\x7f]|[\x81-\xfe][\x40-\xfe]/";
  101. $re['big5'] = "/[\x01-\x7f]|[\x81-\xfe]([\x40-\x7e]|\xa1-\xfe])/";
  102. preg_match_all($re[$charset], $str, $match);
  103. $slice = join("",array_slice($match[0], $start, $length));
  104. if($suffix) {
  105. return $slice."…";
  106. }
  107. return $slice;
  108. }
  110. /**
  111. * php 实现js escape 函数
  112. * @param [type] $string [description]
  113. * @param string $encoding [description]
  114. * @return [type] [description]
  115. */
  116. function escape($string, $encoding = 'UTF-8'){
  117. $return = null;
  118. for ($x = 0; $x {
  119. $str = mb_substr($string, $x, 1, $encoding);
  120. if (strlen($str) > 1) { // 多字节字符
  121. $return .= "%u" . strtoupper(bin2hex(mb_convert_encoding($str, 'UCS-2', $encoding)));
  122. } else {
  123. $return .= "%" . strtoupper(bin2hex($str));
  124. }
  125. }
  126. return $return;
  127. }
  128. /**
  129. * php 实现 js unescape函数
  130. * @param [type] $str [description]
  131. * @return [type] [description]
  132. */
  133. function unescape($str) {
  134. $str = rawurldecode($str);
  135. preg_match_all("/(?:%u.{4})|.{4};|\d+;|.+/U",$str,$r);
  136. $ar = $r[0];
  137. foreach($ar as $k=>$v) {
  138. if(substr($v,0,2) == "%u"){
  139. $ar[$k] = iconv("UCS-2","utf-8//IGNORE",pack("H4",substr($v,-4)));
  140. } elseif(substr($v,0,3) == "") {
  141. $ar[$k] = iconv("UCS-2","utf-8",pack("H4",substr($v,3,-1)));
  142. } elseif(substr($v,0,2) == "") {
  143. echo substr($v,2,-1)."";
  144. $ar[$k] = iconv("UCS-2","utf-8",pack("n",substr($v,2,-1)));
  145. }
  146. }
  147. return join("",$ar);
  148. }
  150. /**
  151. * 数字转人名币
  152. * @param [type] $num [description]
  153. * @return [type] [description]
  154. */
  155. function num2rmb ($num) {
  156. $c1 = "零壹贰叁肆伍陆柒捌玖";
  157. $c2 = "分角元拾佰仟万拾佰仟亿";
  158. $num = round($num, 2);
  159. $num = $num * 100;
  160. if (strlen($num) > 10) {
  161. return "oh,sorry,the number is too long!";
  162. }
  163. $i = 0;
  164. $c = "";
  165. while (1) {
  166. if ($i == 0) {
  167. $n = substr($num, strlen($num)-1, 1);
  168. } else {
  169. $n = $num % 10;
  170. }
  171. $p1 = substr($c1, 3 * $n, 3);
  172. $p2 = substr($c2, 3 * $i, 3);
  173. if ($n != '0' || ($n == '0' && ($p2 == '亿' || $p2 == '万' || $p2 == '元'))) {
  174. $c = $p1 . $p2 . $c;
  175. } else {
  176. $c = $p1 . $c;
  177. }
  178. $i = $i + 1;
  179. $num = $num / 10;
  180. $num = (int)$num;
  181. if ($num == 0) {
  182. break;
  183. }
  184. }
  185. $j = 0;
  186. $slen = strlen($c);
  187. while ($j $m = substr($c, $j, 6);
  188. if ($m == '零元' || $m == '零万' || $m == '零亿' || $m == '零零') {
  189. $left = substr($c, 0, $j);
  190. $right = substr($c, $j + 3);
  191. $c = $left . $right;
  192. $j = $j-3;
  193. $slen = $slen-3;
  194. }
  195. $j = $j + 3;
  196. }
  197. if (substr($c, strlen($c)-3, 3) == '零') {
  198. $c = substr($c, 0, strlen($c)-3);
  199. } // if there is a '0' on the end , chop it out
  200. return $c . "整";
  201. }
  203. /**
  204. * 特殊的字符
  205. * @param [type] $str [description]
  206. * @return [type] [description]
  207. */
  208. function makeSemiangle($str) {
  209. $arr = array(
  210. '０' => '0', '１' => '1', '２' => '2', '３' => '3', '４' => '4',
  211. '５' => '5', '６' => '6', '７' => '7', '８' => '8', '９' => '9',
  212. 'Ａ' => 'A', 'Ｂ' => 'B', 'Ｃ' => 'C', 'Ｄ' => 'D', 'Ｅ' => 'E',
  213. 'Ｆ' => 'F', 'Ｇ' => 'G', 'Ｈ' => 'H', 'Ｉ' => 'I', 'Ｊ' => 'J',
  214. 'Ｋ' => 'K', 'Ｌ' => 'L', 'Ｍ' => 'M', 'Ｎ' => 'N', 'Ｏ' => 'O',
  215. 'Ｐ' => 'P', 'Ｑ' => 'Q', 'Ｒ' => 'R', 'Ｓ' => 'S', 'Ｔ' => 'T',
  216. 'Ｕ' => 'U', 'Ｖ' => 'V', 'Ｗ' => 'W', 'Ｘ' => 'X', 'Ｙ' => 'Y',
  217. 'Ｚ' => 'Z', 'ａ' => 'a', 'ｂ' => 'b', 'ｃ' => 'c', 'ｄ' => 'd',
  218. 'ｅ' => 'e', 'ｆ' => 'f', 'ｇ' => 'g', 'ｈ' => 'h', 'ｉ' => 'i',
  219. 'ｊ' => 'j', 'ｋ' => 'k', 'ｌ' => 'l', 'ｍ' => 'm', 'ｎ' => 'n',
  220. 'ｏ' => 'o', 'ｐ' => 'p', 'ｑ' => 'q', 'ｒ' => 'r', 'ｓ' => 's',
  221. 'ｔ' => 't', 'ｕ' => 'u', 'ｖ' => 'v', 'ｗ' => 'w', 'ｘ' => 'x',
  222. 'ｙ' => 'y', 'ｚ' => 'z',
  223. '（' => '(', '）' => ')', '〔' => '[', '〕' => ']', '【' => '[',
  224. '】' => ']', '〖' => '[', '〗' => ']', '｛' => '{', '｝' => '}', '《' => ' '》' => '>',
  225. '％' => '%', '＋' => '+', '—' => '-', '－' => '-', '～' => '-',
  226. '：' => ':', '。' => '.', '、' => ',', '，' => '.', '、' => '.',
  227. '；' => ';', '？' => '?', '！' => '!', '…' => '-', '‖' => '|',
  228. '”' => '"', '“' => '"', '’' => '`', '‘' => '`', '｜' => '|', '〃' => '"',
  229. '　' => ' ','．' => '.');
  230. return strtr($str, $arr);
  231. }
  233. /**
  234. * 下载
  235. * @param [type] $filename [description]
  236. * @param string $dir [description]
  237. * @return [type] [description]
  238. */
  239. function downloads($filename,$dir='./'){
  240. $filepath = $dir.$filename;
  241. if (!file_exists($filepath)){
  242. header("Content-type: text/html; charset=utf-8");
  243. echo "File not found!";
  244. exit;
  245. } else {
  246. $file = fopen($filepath,"r");
  247. Header("Content-type: application/octet-stream");
  248. Header("Accept-Ranges: bytes");
  249. Header("Accept-Length: ".filesize($filepath));
  250. Header("Content-Disposition: attachment; filename=".$filename);
  251. echo fread($file, filesize($filepath));
  252. fclose($file);
  253. }
  254. }
  256. /**
  257. * 创建一个目录树
  258. * @param [type] $dir [description]
  259. * @param integer $mode [description]
  260. * @return [type] [description]
  261. */
  262. function mkdirs($dir, $mode = 0777) {
  263. if (!is_dir($dir)) {
  264. mkdirs(dirname($dir), $mode);
  265. return mkdir($dir, $mode);
  266. }
  267. return true;
  268. }
复制代码
  1. /**
  2. * 获取客户端IP
  3. * @return [string] [description]
  4. */
  5. function getClientIp() {
  6. $ip = NULL;
  7. if (isset($_SERVER['HTTP_X_FORWARDED_FOR'])) {
  8. $arr = explode(',', $_SERVER['HTTP_X_FORWARDED_FOR']);
  9. $pos = array_search('unknown',$arr);
  10. if(false !== $pos) unset($arr[$pos]);
  11. $ip = trim($arr[0]);
  12. }elseif (isset($_SERVER['HTTP_CLIENT_IP'])) {
  13. $ip = $_SERVER['HTTP_CLIENT_IP'];
  14. }elseif (isset($_SERVER['REMOTE_ADDR'])) {
  15. $ip = $_SERVER['REMOTE_ADDR'];
  16. }
  17. // IP地址合法验证
  18. $ip = (false !== ip2long($ip)) ? $ip : '0.0.0.0';
  19. return $ip;
  20. }
  22. /**
  23. * 获取在线IP
  24. * @return String
  25. */
  26. function getOnlineIp($format=0) {
  27. global $S_GLOBAL;
  28. if(empty($S_GLOBAL['onlineip'])) {
  29. if(getenv('HTTP_CLIENT_IP') && strcasecmp(getenv('HTTP_CLIENT_IP'), 'unknown')) {
  30. $onlineip = getenv('HTTP_CLIENT_IP');
  31. } elseif(getenv('HTTP_X_FORWARDED_FOR') && strcasecmp(getenv('HTTP_X_FORWARDED_FOR'), 'unknown')) {
  32. $onlineip = getenv('HTTP_X_FORWARDED_FOR');
  33. } elseif(getenv('REMOTE_ADDR') && strcasecmp(getenv('REMOTE_ADDR'), 'unknown')) {
  34. $onlineip = getenv('REMOTE_ADDR');
  35. } elseif(isset($_SERVER['REMOTE_ADDR']) && $_SERVER['REMOTE_ADDR'] && strcasecmp($_SERVER['REMOTE_ADDR'], 'unknown')) {
  36. $onlineip = $_SERVER['REMOTE_ADDR'];
  37. }
  38. preg_match("/[\d\.]{7,15}/", $onlineip, $onlineipmatches);
  39. $S_GLOBAL['onlineip'] = $onlineipmatches[0] ? $onlineipmatches[0] : 'unknown';
  40. }
  42. if($format) {
  43. $ips = explode('.', $S_GLOBAL['onlineip']);
  44. for($i=0;$i $ips[$i] = intval($ips[$i]);
  45. }
  46. return sprintf('%03d%03d%03d', $ips[0], $ips[1], $ips[2]);
  47. } else {
  48. return $S_GLOBAL['onlineip'];
  49. }
  50. }
  54. /**
  55. * 获取url
  56. * @return [type] [description]
  57. */
  58. function getUrl(){
  59. $pageURL = 'http';
  60. if (isset($_SERVER["HTTPS"]) && $_SERVER["HTTPS"] == "on") {
  61. $pageURL .= "s";
  62. }
  63. $pageURL .= "://";
  64. if ($_SERVER["SERVER_PORT"] != "80") {
  65. $pageURL .= $_SERVER["HTTP_HOST"] . ":" . $_SERVER["SERVER_PORT"] . $_SERVER["REQUEST_URI"];
  66. } else {
  67. $pageURL .= $_SERVER["HTTP_HOST"] . $_SERVER["REQUEST_URI"];
  68. }
  69. return $pageURL;
  70. }
  72. /**
  73. * 获取当前站点的访问路径根目录
  74. * @return [type] [description]
  75. */
  76. function getSiteUrl() {
  77. $uri = $_SERVER['REQUEST_URI']?$_SERVER['REQUEST_URI']:($_SERVER['PHP_SELF']?$_SERVER['PHP_SELF']:$_SERVER['SCRIPT_NAME']);
  78. return 'http://'.$_SERVER['HTTP_HOST'].substr($uri, 0, strrpos($uri, '/')+1);
  79. }
  83. /**
  84. * 字符串截取，支持中文和其他编码
  85. * @param [string] $str [字符串]
  86. * @param integer $start [起始位置]
  87. * @param integer $length [截取长度]
  88. * @param string $charset [字符串编码]
  89. * @param boolean $suffix [是否有省略号]
  90. * @return [type] [description]
  91. */
  92. function msubstr($str, $start=0, $length=15, $charset="utf-8", $suffix=true) {
  93. if(function_exists("mb_substr")) {
  94. return mb_substr($str, $start, $length, $charset);
  95. } elseif(function_exists('iconv_substr')) {
  96. return iconv_substr($str,$start,$length,$charset);
  97. }
  98. $re['utf-8'] = "/[\x01-\x7f]|[\xc2-\xdf][\x80-\xbf]|[\xe0-\xef][\x80-\xbf]{2}|[\xf0-\xff][\x80-\xbf]{3}/";
  99. $re['gb2312'] = "/[\x01-\x7f]|[\xb0-\xf7][\xa0-\xfe]/";
  100. $re['gbk'] = "/[\x01-\x7f]|[\x81-\xfe][\x40-\xfe]/";
  101. $re['big5'] = "/[\x01-\x7f]|[\x81-\xfe]([\x40-\x7e]|\xa1-\xfe])/";
  102. preg_match_all($re[$charset], $str, $match);
  103. $slice = join("",array_slice($match[0], $start, $length));
  104. if($suffix) {
  105. return $slice."…";
  106. }
  107. return $slice;
  108. }
  110. /**
  111. * php 实现js escape 函数
  112. * @param [type] $string [description]
  113. * @param string $encoding [description]
  114. * @return [type] [description]
  115. */
  116. function escape($string, $encoding = 'UTF-8'){
  117. $return = null;
  118. for ($x = 0; $x {
  119. $str = mb_substr($string, $x, 1, $encoding);
  120. if (strlen($str) > 1) { // 多字节字符
  121. $return .= "%u" . strtoupper(bin2hex(mb_convert_encoding($str, 'UCS-2', $encoding)));
  122. } else {
  123. $return .= "%" . strtoupper(bin2hex($str));
  124. }
  125. }
  126. return $return;
  127. }
  128. /**
  129. * php 实现 js unescape函数
  130. * @param [type] $str [description]
  131. * @return [type] [description]
  132. */
  133. function unescape($str) {
  134. $str = rawurldecode($str);
  135. preg_match_all("/(?:%u.{4})|.{4};|\d+;|.+/U",$str,$r);
  136. $ar = $r[0];
  137. foreach($ar as $k=>$v) {
  138. if(substr($v,0,2) == "%u"){
  139. $ar[$k] = iconv("UCS-2","utf-8//IGNORE",pack("H4",substr($v,-4)));
  140. } elseif(substr($v,0,3) == "") {
  141. $ar[$k] = iconv("UCS-2","utf-8",pack("H4",substr($v,3,-1)));
  142. } elseif(substr($v,0,2) == "") {
  143. echo substr($v,2,-1)."";
  144. $ar[$k] = iconv("UCS-2","utf-8",pack("n",substr($v,2,-1)));
  145. }
  146. }
  147. return join("",$ar);
  148. }
  150. /**
  151. * 数字转人名币
  152. * @param [type] $num [description]
  153. * @return [type] [description]
  154. */
  155. function num2rmb ($num) {
  156. $c1 = "零壹贰叁肆伍陆柒捌玖";
  157. $c2 = "分角元拾佰仟万拾佰仟亿";
  158. $num = round($num, 2);
  159. $num = $num * 100;
  160. if (strlen($num) > 10) {
  161. return "oh,sorry,the number is too long!";
  162. }
  163. $i = 0;
  164. $c = "";
  165. while (1) {
  166. if ($i == 0) {
  167. $n = substr($num, strlen($num)-1, 1);
  168. } else {
  169. $n = $num % 10;
  170. }
  171. $p1 = substr($c1, 3 * $n, 3);
  172. $p2 = substr($c2, 3 * $i, 3);
  173. if ($n != '0' || ($n == '0' && ($p2 == '亿' || $p2 == '万' || $p2 == '元'))) {
  174. $c = $p1 . $p2 . $c;
  175. } else {
  176. $c = $p1 . $c;
  177. }
  178. $i = $i + 1;
  179. $num = $num / 10;
  180. $num = (int)$num;
  181. if ($num == 0) {
  182. break;
  183. }
  184. }
  185. $j = 0;
  186. $slen = strlen($c);
  187. while ($j $m = substr($c, $j, 6);
  188. if ($m == '零元' || $m == '零万' || $m == '零亿' || $m == '零零') {
  189. $left = substr($c, 0, $j);
  190. $right = substr($c, $j + 3);
  191. $c = $left . $right;
  192. $j = $j-3;
  193. $slen = $slen-3;
  194. }
  195. $j = $j + 3;
  196. }
  197. if (substr($c, strlen($c)-3, 3) == '零') {
  198. $c = substr($c, 0, strlen($c)-3);
  199. } // if there is a '0' on the end , chop it out
  200. return $c . "整";
  201. }
  203. /**
  204. * 特殊的字符
  205. * @param [type] $str [description]
  206. * @return [type] [description]
  207. */
  208. function makeSemiangle($str) {
  209. $arr = array(
  210. '０' => '0', '１' => '1', '２' => '2', '３' => '3', '４' => '4',
  211. '５' => '5', '６' => '6', '７' => '7', '８' => '8', '９' => '9',
  212. 'Ａ' => 'A', 'Ｂ' => 'B', 'Ｃ' => 'C', 'Ｄ' => 'D', 'Ｅ' => 'E',
  213. 'Ｆ' => 'F', 'Ｇ' => 'G', 'Ｈ' => 'H', 'Ｉ' => 'I', 'Ｊ' => 'J',
  214. 'Ｋ' => 'K', 'Ｌ' => 'L', 'Ｍ' => 'M', 'Ｎ' => 'N', 'Ｏ' => 'O',
  215. 'Ｐ' => 'P', 'Ｑ' => 'Q', 'Ｒ' => 'R', 'Ｓ' => 'S', 'Ｔ' => 'T',
  216. 'Ｕ' => 'U', 'Ｖ' => 'V', 'Ｗ' => 'W', 'Ｘ' => 'X', 'Ｙ' => 'Y',
  217. 'Ｚ' => 'Z', 'ａ' => 'a', 'ｂ' => 'b', 'ｃ' => 'c', 'ｄ' => 'd',
  218. 'ｅ' => 'e', 'ｆ' => 'f', 'ｇ' => 'g', 'ｈ' => 'h', 'ｉ' => 'i',
  219. 'ｊ' => 'j', 'ｋ' => 'k', 'ｌ' => 'l', 'ｍ' => 'm', 'ｎ' => 'n',
  220. 'ｏ' => 'o', 'ｐ' => 'p', 'ｑ' => 'q', 'ｒ' => 'r', 'ｓ' => 's',
  221. 'ｔ' => 't', 'ｕ' => 'u', 'ｖ' => 'v', 'ｗ' => 'w', 'ｘ' => 'x',
  222. 'ｙ' => 'y', 'ｚ' => 'z',
  223. '（' => '(', '）' => ')', '〔' => '[', '〕' => ']', '【' => '[',
  224. '】' => ']', '〖' => '[', '〗' => ']', '｛' => '{', '｝' => '}', '《' => ' '》' => '>',
  225. '％' => '%', '＋' => '+', '—' => '-', '－' => '-', '～' => '-',
  226. '：' => ':', '。' => '.', '、' => ',', '，' => '.', '、' => '.',
  227. '；' => ';', '？' => '?', '！' => '!', '…' => '-', '‖' => '|',
  228. '”' => '"', '“' => '"', '’' => '`', '‘' => '`', '｜' => '|', '〃' => '"',
  229. '　' => ' ','．' => '.');
  230. return strtr($str, $arr);
  231. }
  233. /**
  234. * 下载
  235. * @param [type] $filename [description]
  236. * @param string $dir [description]
  237. * @return [type] [description]
  238. */
  239. function downloads($filename,$dir='./'){
  240. $filepath = $dir.$filename;
  241. if (!file_exists($filepath)){
  242. header("Content-type: text/html; charset=utf-8");
  243. echo "File not found!";
  244. exit;
  245. } else {
  246. $file = fopen($filepath,"r");
  247. Header("Content-type: application/octet-stream");
  248. Header("Accept-Ranges: bytes");
  249. Header("Accept-Length: ".filesize($filepath));
  250. Header("Content-Disposition: attachment; filename=".$filename);
  251. echo fread($file, filesize($filepath));
  252. fclose($file);
  253. }
  254. }
  256. /**
  257. * 创建一个目录树
  258. * @param [type] $dir [description]
  259. * @param integer $mode [description]
  260. * @return [type] [description]
  261. */
  262. function mkdirs($dir, $mode = 0777) {
  263. if (!is_dir($dir)) {
  264. mkdirs(dirname($dir), $mode);
  265. return mkdir($dir, $mode);
  266. }
  267. return true;
  268. }
复制代码
  1. #完善cURL功能
  2. function xcurl($url,$ref=null,$post=array(),$ua="Mozilla/5.0 (X11; Linux x86_64; rv:2.2a1pre) Gecko/20110324 Firefox/4.2a1pre",$print=false) {
  3. $ch = curl_init();
  4. curl_setopt($ch, CURLOPT_AUTOREFERER, true);
  5. if(!empty($ref)) {
  6. curl_setopt($ch, CURLOPT_REFERER, $ref);
  7. }
  8. curl_setopt($ch, CURLOPT_URL, $url);
  9. curl_setopt($ch, CURLOPT_HEADER, 0);
  10. curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
  11. curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
  12. if(!empty($ua)) {
  13. curl_setopt($ch, CURLOPT_USERAGENT, $ua);
  14. }
  15. if(count($post) > 0){
  16. curl_setopt($ch, CURLOPT_POST, 1);
  17. curl_setopt($ch, CURLOPT_POSTFIELDS, $post);
  18. }
  19. $output = curl_exec($ch);
  20. curl_close($ch);
  21. if($print) {
  22. print($output);
  23. } else {
  24. return $output;
  25. }
  26. }
复制代码
  1. /**
  2. * 根据一个时间戳得到详细信息
  3. * @param [type] $time [时间戳]
  4. * @return [type]
  5. * @author [yangsheng@yahoo.com]
  6. */
  7. function getDateInfo($time){
  8. $day_of_week_cn=array("日","一","二","三","四","五","六"); //中文星期
  9. $week_of_month_cn = array('','第1周','第2周','第3周','第4周','第5周','第6周');#本月第几周
  10. $tenDays= getTenDays(date('j',$time)); #获得旬
  11. $quarter = getQuarter(date('n',$time),date('Y',$time));# 获取季度
  13. $dimDate = array(
  14. 'date_key' => strtotime(date('Y-m-d',$time)), #日期时间戳
  15. 'date_day' => date('Y-m-d',$time), #日期YYYY-MM-DD
  16. 'current_year' => date('Y',$time),#数字年
  17. 'current_quarter' => $quarter['current_quarter'], #季度
  18. 'quarter_cn' =>$quarter['quarter_cn'],
  19. 'current_month' =>date('n',$time),#月
  20. 'month_cn' =>date('Y-m',$time), #月份
  21. 'tenday_of_month' =>$tenDays['tenday_of_month'],#数字旬
  22. 'tenday_cn' =>$tenDays['tenday_cn'],#中文旬
  23. 'week_of_month' =>ceil(date('j',$time)/7), #本月第几周
  24. 'week_of_month_cn' =>$week_of_month_cn[ceil(date('j',$time)/7)],#中文当月第几周
  25. 'day_of_year' =>date('z',$time)+1, #年份中的第几天
  26. 'day_of_month' =>date('j',$time),#得到几号
  27. 'day_of_week' =>date('w',$time)>0 ? date('w',$time):7,#星期几
  28. 'day_of_week_cn' =>'星期'.$day_of_week_cn[date('w',$time)],
  29. );
  30. return $dimDate;
  31. }
  34. /**
  35. * 获得日期是上中下旬
  36. * @param [int] $j [几号]
  37. * @return [array] [description]
  38. * @author [yangsheng@yahoo.com]
  39. */
  40. function getTenDays($j)
  41. {
  42. $j = intval($j);
  43. if($j 31){
  44. return false;#不是日期
  45. }
  46. $tenDays = ceil($j/10);
  47. switch ($tenDays) {
  48. case 1:#上旬
  49. return array('tenday_of_month'=>1,'tenday_cn'=>'上旬',);
  50. break;
  51. case 2:#中旬
  52. return array('tenday_of_month'=>2,'tenday_cn'=>'中旬',);
  53. break;
  54. default:#下旬
  55. return array('tenday_of_month'=>3,'tenday_cn'=>'下旬',);
  56. break;
  57. }
  58. return false;
  59. }
  61. /**
  62. * 根据月份获得当前第几季度
  63. * @param [int] $n [月份]
  64. * @param [int] $y [年]
  65. * @return [array] [description]
  66. */
  67. function getQuarter($n,$y=null){
  68. $n = intval($n);
  69. if($n 12){
  70. return false; #不是月份
  71. }
  72. $quarter = ceil($n/3);
  73. switch ($quarter) {
  74. case 1: #第一季度
  75. return array('current_quarter' => 1, 'quarter_cn'=>$y?$y.'-Q1':'Q1');
  76. break;
  77. case 2: #第二季度
  78. return array('current_quarter' => 2, 'quarter_cn'=>$y?$y.'-Q2':'Q2');
  79. break;
  80. case 3: #第三季度
  81. return array('current_quarter' => 3, 'quarter_cn'=>$y?$y.'-Q3':'Q3');
  82. break;
  83. case 4: #第四季度
  84. return array('current_quarter' => 4, 'quarter_cn'=>$y?$y.'-Q4':'Q4');
  85. break;
  86. }
  87. return false;
  88. }
复制代码


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