PHP search file content keyword example code_PHP tutorial

2. /**
3. * File: search.php
4. * Function: Search for HTML files in the specified directory
5. */
6. /* Basic functions*/
8. //Get the file function in the directory
9. function getFile($dir)
10. {
11. $dp = opendir($dir);
12. $fileArr = array();
13. while (!false == $curFile = readdir($dp)) {
14. if ($curFile!="." && $curFile!=".. " && $curFile!="") {
15. if (is_dir($curFile)) {
16.                                                                        File);
17.                                                                                                               }
18. }
19. }
20.         return $fileArr;
21. }
23. //Get file content
24. function getFileContent($file)
25. {
26. if (!$fp = fopen($file, "r")) {
27. die("Cannot open file $file");
28. }
29. while ($text = fread($fp, 4096)) {
30. $fileContent .= $text;
31. }
32. return $fileContent;
33. }
35. //Search for the specified file
36. function searchText($file, $keyword)
37. {
38. $text = getFileContent($file);
39. if (preg_match("/$keyword/i", $text)) {
40. return true;
41. }
42.           return false; subject")
43. {
44. $fileContent = getFileContent($file);
45. $sResult = preg_match("// i", $fileContent, $matchResult);
46. $title = preg_replace(array("/()/i"), " ",         $matchResult[0]); return $title;
47. }
48. }
50. //Get file description information
51. function getFileDescribe($file,$length= 200, $default="None describe")
52. {
53. $metas = get_meta_tags($file);
54. if ($meta[description] != "") {
55. return $metas[description];
56. }
57.          $fileContent = getFileContent($file);
58.         preg_match("/()/is", $fileContent, $matchResult);
59.         $pattern = array("/(<[^x80-xff] >)/i","/() /i", "/() /i", "/() /i", "/([]) .*([]) /i","/&/i","/"/i","/'/i", "/s/");
60.         $description = preg_replace($pattern, "", $matchResult[0]);
61.         $description = mb_substr($description, 0, $length)." ...";
63.         return $description;
64. }
66. //加亮搜索结果中的关键字
67. function highLightKeyword($text, $keyword, $color="#C60A00")
68. {
69.         $newword = "$keyword";
70.         $text = str_replace($keyword, $newword, $text);
71.         return $text;
72. }
74. //获取文件大小(KB)
75. function getFileSize($file)
76. {
77.         $filesize = intval(filesize($file)/1024)."K";
78.         return $filesize;
79. }
81. //获取文件最后修改的时间
82. function getFileTime($file)
83. {
84.         $filetime = date("Y-m-d", filemtime($file));
85.         return $filetime;
86. }
88. //搜索目录下所有文件
89. function searchFile($dir, $keyword)
90. {
91.         $sFile = getFile($dir);
92.         if (count($sFile) <= 0) {
93.                 return false;
94.         }
95.         $sResult = array();
96.         foreach ($sFile as $file) {
97.                 if (searchText($file, $keyword)) {
98.                         $sResult[] = $file;
99.                 }
100.         }
101.         if (count($sResult) <= 0) {
102.                 return false;
103.         } else {
104.                 return $sResult;
105.         }
106. }
108. /* 测试代码 */
110. //指定要搜索的目录
111. $dir = "./php_Linux";
112. //要搜索的关键字
113. $keyword = "sendmail";
115. $fileArr = searchFile($dir, $keyword);
116. $searchSum = count($fileArr);
118. echo "搜索关键字: $keyword   搜索目录: $dir   搜索结果: $searchSum
     

     ---

     
     ";
120. if ($searchSum <= 0) {
121. echo "没有搜索到任何结果";
122. } else {
123. for
     http://www.bkjia.com/PHPjc/486221.htmlwww.bkjia.comtruehttp://www.bkjia.com/PHPjc/486221.htmlTechArticle?php /*** File: search.php * Function: Search for HTML files in the specified directory*/ /* 基本函数 */ //获取目录下文件函数 function getFile($dir) { $dp = opendir($dir); $fileAr...