PHP Find file content keyword Instance code

• 2. <?php

  4. /**

  6. * File: search.php

  8. * Function: Search the HTML file under the specified directory

  10. */

  12. /* Basic function */

  14. 
      

  16. Get file functions under Directory

  18. function GetFile ($dir)

  20. {

  22. $DP = Opendir ($dir);

  24. $FILEARR = Array ();

  26. while (!false = = $curFile = Readdir ($DP)) {

  28. if ($curFile! = "." && $curFile! = ":" && $curFile! = "") {

  30. if (Is_dir ($curFile)) {

  32. $FILEARR = GetFile ($dir. " /". $curFile);

  34. } else {

  36. $FILEARR [] = $dir. " /". $curFile;

  38. }

  40. }

  42. }

  44. return $FILEARR;

  46. }

  48. 
      

  50. Get file Contents

  52. function Getfilecontent ($file)

  54. {

  56. if (! $fp = fopen ($file, "R")) {

  58. Die ("Cannot open file $file");

  60. }

  62. while ($text = Fread ($fp, 4096)) {

  64. $fileContent. = $text;

  66. }

  68. return $fileContent;

  70. }

  72. 
      

  74. Search for specified files

  76. function SearchText ($file, $keyword)

  78. {

  80. $text = Getfilecontent ($file);

  82. if (Preg_match ("/$keyword/I", $text)) {

  84. return true;

  86. }

  88. return false;

  90. }

  92. 
      

  94. Search out the title of the article

  96. function GetFileTitle ($file, $default = "None subject")

  98. {

  100. $fileContent = Getfilecontent ($file);

  102. $sResult = Preg_match ("/<title>.*</title>/i", $fileContent, $matchResult);

  104. $title = preg_replace (Array ("/(<title>)/I", "/(</title>)/I"), "", $matchResult [0]);

  106. if (empty ($title)) {

  108. return $default;

  110. } else {

  112. return $title;

  114. }

  116. }

  118. 
       

  120. Get File description Information

  122. function Getfiledescribe ($file, $length =200, $default = "None describe")

  124. {

  126. $metas = Get_meta_tags ($file);

  128. if ($meta [description]! = "") {

  130. return $metas [description];

  132. }

  134. $fileContent = Getfilecontent ($file);

  136. Preg_match ("/(<body.*</body>)/is", $fileContent, $matchResult);

  138. $pattern = Array ("/(<[^x80-xff] >)/I", "/(<input.*>)/I", "/(<a.*>)/I", "/()/I", "/[[ <script.*>]). * ([</script>])/I ","/&amp;/i ","/&quot;/i ","/& #039;/i ","/s/");

  140. $description = Preg_replace ($pattern, "", $matchResult [0]);

  142. $description = mb_substr ($description, 0, $length). "...";

  144. 
       

  146. return $description;

  148. }

  150. 
       

  152. Highlight keywords in search results

  154. function Highlightkeyword ($text, $keyword, $color = "#C60A00")

  156. {

  158. $newword = "<font color= $color > $keyword </font>";

  160. $text = Str_replace ($keyword, $newword, $text);

  162. return $text;

  164. }

  166. 
       

  168. Get file Size (KB)

  170. function GetFileSize ($file)

  172. {

  174. $filesize = Intval (filesize ($file)/1024). " K ";

  176. return $filesize;

  178. }

  180. 
       

  182. Gets the time the file was last modified

  184. function Getfiletime ($file)

  186. {

  188. $filetime = Date ("y-m-d", Filemtime ($file));

  190. return $filetime;

  192. }

  194. 
       

  196. Search all Files under directory

  198. function Searchfile ($dir, $keyword)

  200. {

  202. $sFile = GetFile ($dir);

  204. if (count ($sFile) <= 0) {

  206. return false;

  208. }

  210. $sResult = Array ();

  212. foreach ($sFile as $file) {

  214. if (SearchText ($file, $keyword)) {

  216. $sResult [] = $file;

  218. }

  220. }

  222. if (count ($sResult) <= 0) {

  224. return false;

  226. } else {

  228. return $sResult;

  230. }

  232. }

  234. 
       

  236. /* Test Code */

  238. 
       

  240. Specify the directory to search

  242. $dir = "./php_linux";

  244. Keywords to search for

  246. $keyword = "SendMail";

  248. 
       

  250. $FILEARR = Searchfile ($dir, $keyword);

  252. $searchSum = count ($FILEARR);

  254. 
       

  256. echo keyword search: <b> $keyword </b> &nbsp; Search Catalog: <b> $dir </b> &nbsp; Search Result: <b> $searchSum </b><br>

  258. 
       

  260. if ($searchSum <= 0) {

  262. echo "No results found";

  264. } else {

  266. For

PHP Find file content keyword Instance code