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php 十个超级有用的PHP代码片段

程序员文章站 2022-04-07 09:09:53
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十个超级有用的php代码片段

[PHP]代码

  1. 1. 发送短信
  2. 调用 TextMagic API。
  4. // Include the TextMagic PHP lib
  5. require('textmagic-sms-api-php/TextMagicAPI.php');
  7. // Set the username and password information
  8. $username = 'myusername';
  9. $password = 'mypassword';
  11. // Create a new instance of TM
  12. $router = new TextMagicAPI(array(
  13. 'username' => $username,
  14. 'password' => $password
  15. ));
  17. // Send a text message to '999-123-4567'
  18. $result = $router->send('Wake up!', array(9991234567), true);
  20. // result: Result is: Array ( [messages] => Array ( [19896128] => 9991234567 ) [sent_text] => Wake up! [parts_count] => 1 )
  22. 2. 根据IP查找地址
  24. function detect_city($ip) {
  26. $default = 'UNKNOWN';
  28. if (!is_string($ip) || strlen($ip) $ip = '8.8.8.8';
  30. $curlopt_useragent = 'Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.2) Gecko/20100115 Firefox/3.6 (.NET CLR 3.5.30729)';
  32. $url = 'http://ipinfodb.com/ip_locator.php?ip=' . urlencode($ip);
  33. $ch = curl_init();
  35. $curl_opt = array(
  36. CURLOPT_FOLLOWLOCATION => 1,
  37. CURLOPT_HEADER => 0,
  38. CURLOPT_RETURNTRANSFER => 1,
  39. CURLOPT_USERAGENT => $curlopt_useragent,
  40. CURLOPT_URL => $url,
  41. CURLOPT_TIMEOUT => 1,
  42. CURLOPT_REFERER => 'http://' . $_SERVER['HTTP_HOST'],
  43. );
  45. curl_setopt_array($ch, $curl_opt);
  47. $content = curl_exec($ch);
  49. if (!is_null($curl_info)) {
  50. $curl_info = curl_getinfo($ch);
  51. }
  53. curl_close($ch);
  55. if ( preg_match('{
  56. City : ([^}i', $content, $regs) ) {
  57. $city = $regs[1];
  58. }
  59. if ( preg_match('{
  60. State/Province : ([^}i', $content, $regs) ) {
  61. $state = $regs[1];
  62. }
  64. if( $city!='' && $state!='' ){
  65. $location = $city . ', ' . $state;
  66. return$location;
  67. }else{
  68. return$default;
  69. }
  71. }
  73. 3. 显示网页的源代码
  75. $lines = file('http://google.com/');
  76. foreach ($lines as $line_num => $line) {
  77. // loop thru each line and prepend line numbers
  78. echo "Line #{$line_num} : " . htmlspecialchars($line) . "
    \n";
  79. }
  81. 4. 检查服务器是否使用HTTPS
  83. if ($_SERVER['HTTPS'] != "on") {
  84. echo "This is not HTTPS";
  85. }else{
  86. echo "This is HTTPS";
  87. }
  89. 5. 显示Faceboo**丝数量
  91. function fb_fan_count($facebook_name){
  92. // Example: https://graph.facebook.com/digimantra
  93. $data = json_decode(file_get_contents("https://graph.facebook.com/".$facebook_name));
  94. echo $data->likes;
  95. }
  97. 6. 检测图片的主要颜色
  99. $i = imagecreatefromjpeg("image.jpg");
  101. for ($x=0;$xfor ($y=0;$y$rgb = imagecolorat($i,$x,$y);
  102. $r = ($rgb >> 16) & 0xFF;
  103. $g = ($rgb >> & 0xFF;
  104. $b = $rgb & 0xFF;
  106. $rTotal += $r;
  107. $gTotal += $g;
  108. $bTotal += $b;
  109. $total++;
  110. }
  111. }
  113. $rAverage = round($rTotal/$total);
  114. $gAverage = round($gTotal/$total);
  115. $bAverage = round($bTotal/$total);
  117. 7. 获取内存使用信息
  119. echo"Initial: ".memory_get_usage()." bytes \n";
  120. /* prints
  121. Initial: 361400 bytes
  122. */
  123. // http://www.baoluowanxiang.com/
  124. // let's use up some memory
  125. for ($i = 0; $i $array []= md5($i);
  126. }
  128. // let's remove half of the array
  129. for ($i = 0; $i unset($array[$i]);
  130. }
  132. echo"Final: ".memory_get_usage()." bytes \n";
  133. /* prints
  134. Final: 885912 bytes
  135. */
  137. echo"Peak: ".memory_get_peak_usage()." bytes \n";
  138. /* prints
  139. Peak: 13687072 bytes
  140. */
  142. 8. 使用 gzcompress() 压缩数据
  144. $string =
  145. "Lorem ipsum dolor sit amet, consectetur
  146. adipiscing elit. Nunc ut elit id mi ultricies
  147. adipiscing. Nulla facilisi. Praesent pulvinar,
  148. sapien vel feugiat vestibulum, nulla dui pretium orci,
  149. non ultricies elit lacus quis ante. Lorem ipsum dolor
  150. sit amet, consectetur adipiscing elit. Aliquam
  151. pretium ullamcorper urna quis iaculis. Etiam ac massa
  152. sed turpis tempor luctus. Curabitur sed nibh eu elit
  153. mollis congue. Praesent ipsum diam, consectetur vitae
  154. ornare a, aliquam a nunc. In id magna pellentesque
  155. tellus posuere adipiscing. Sed non mi metus, at lacinia
  156. augue. Sed magna nisi, ornare in mollis in, mollis
  157. sed nunc. Etiam at justo in leo congue mollis.
  158. Nullam in neque eget metus hendrerit scelerisque
  159. eu non enim. Ut malesuada lacus eu nulla bibendum
  160. id euismod urna sodales. ";
  162. $compressed = gzcompress($string);
  164. echo "Original size: ". strlen($string)."\n";
  165. /* prints
  166. Original size: 800
  167. */
  169. echo "Compressed size: ". strlen($compressed)."\n";
  170. /* prints
  171. Compressed size: 418
  172. */
  174. // getting it back
  175. $original = gzuncompress($compressed);
  177. 9. 使用PHP做Whois检查
  179. function whois_query($domain) {
  181. // fix the domain name:
  182. $domain = strtolower(trim($domain));
  183. $domain = preg_replace('/^http:\/\//i', '', $domain);
  184. $domain = preg_replace('/^www\./i', '', $domain);
  185. $domain = explode('/', $domain);
  186. $domain = trim($domain[0]);
  188. // split the TLD from domain name
  189. $_domain = explode('.', $domain);
  190. $lst = count($_domain)-1;
  191. $ext = $_domain[$lst];
  193. // You find resources and lists
  194. // like these on wikipedia:
  195. //
  196. // http://de.wikipedia.org/wiki/Whois
  197. //
  198. $servers = array(
  199. "biz" => "whois.neulevel.biz",
  200. "com" => "whois.internic.net",
  201. "us" => "whois.nic.us",
  202. "coop" => "whois.nic.coop",
  203. "info" => "whois.nic.info",
  204. "name" => "whois.nic.name",
  205. "net" => "whois.internic.net",
  206. "gov" => "whois.nic.gov",
  207. "edu" => "whois.internic.net",
  208. "mil" => "rs.internic.net",
  209. "int" => "whois.iana.org",
  210. "ac" => "whois.nic.ac",
  211. "ae" => "whois.uaenic.ae",
  212. "at" => "whois.ripe.net",
  213. "au" => "whois.aunic.net",
  214. "be" => "whois.dns.be",
  215. "bg" => "whois.ripe.net",
  216. "br" => "whois.registro.br",
  217. "bz" => "whois.belizenic.bz",
  218. "ca" => "whois.cira.ca",
  219. "cc" => "whois.nic.cc",
  220. "ch" => "whois.nic.ch",
  221. "cl" => "whois.nic.cl",
  222. "cn" => "whois.cnnic.net.cn",
  223. "cz" => "whois.nic.cz",
  224. "de" => "whois.nic.de",
  225. "fr" => "whois.nic.fr",
  226. "hu" => "whois.nic.hu",
  227. "ie" => "whois.domainregistry.ie",
  228. "il" => "whois.isoc.org.il",
  229. "in" => "whois.ncst.ernet.in",
  230. "ir" => "whois.nic.ir",
  231. "mc" => "whois.ripe.net",
  232. "to" => "whois.tonic.to",
  233. "tv" => "whois.tv",
  234. "ru" => "whois.ripn.net",
  235. "org" => "whois.pir.org",
  236. "aero" => "whois.information.aero",
  237. "nl" => "whois.domain-registry.nl"
  238. );
  240. if (!isset($servers[$ext])){
  241. die('Error: No matching nic server found!');
  242. }
  244. $nic_server = $servers[$ext];
  246. $output = '';
  248. // connect to whois server:
  249. if ($conn = fsockopen ($nic_server, 43)) {
  250. fputs($conn, $domain."\r\n");
  251. while(!feof($conn)) {
  252. $output .= fgets($conn,128);
  253. }
  254. fclose($conn);
  255. }
  256. else { die('Error: Could not connect to ' . $nic_server . '!'); }
  258. return $output;
  259. }
  261. 10. 通过Email发送PHP错误
  264. // Our custom error handler
  265. function nettuts_error_handler($number, $message, $file, $line, $vars){
  266. $email = "

  267. An error ($number) occurred on line

  268. $line and in the file: $file.

  269. $message

    ";
  271. $email .= "
    " . print_r($vars, 1) . "
    ";
  273. $headers = 'Content-type: text/html; charset=iso-8859-1' . "\r\n";
  275. // Email the error to someone...
  276. error_log($email, 1, 'you@youremail.com', $headers);
  278. // Make sure that you decide how to respond to errors (on the user's side)
  279. // Either echo an error message, or kill the entire project. Up to you...
  280. // The code below ensures that we only "die" if the error was more than
  281. // just a NOTICE.
  282. if ( ($number !== E_NOTICE) && ($number die("There was an error. Please try again later.");
  283. }
  284. }
  286. // We should use our custom function to handle errors.
  287. set_error_handler('nettuts_error_handler');
  289. // Trigger an error... (var doesn't exist)
  290. echo$somevarthatdoesnotexist;
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