SearchFileContentsPHP搜索目录文本内容的代码_php技巧

/* 
Class for searching the contents of all the files in a directory and its subdirectories 
For support please visit http://www.webdigity.com/ 
*/ 
class searchFileContents{ 
var $dir_name = '';//The directory to search 

var $search_phrase = '';//The phrase to search in the file contents 
var $allowed_file_types = array('php','phps');//The file types that are searched 
var $foundFiles;//Files that contain the search phrase will be stored here 
//开源代码OSPHP.COM.Cn 
var $myfiles; 
function search($directory, $search_phrase){ 
$this->dir_name = $directory; 
$this->search_phrase = $search_phrase; 

$this->myfiles = $this->GetDirContents($this->dir_name); 
$this->foundFiles = array(); 
if ( empty($this->search_phrase) ) die('Empty search phrase'); 

if ( empty($this->dir_name) ) die('You must select a directory to search'); 
foreach ( $this->myfiles as $f ){ 
if ( in_array(array_pop(explode ( '.', $f )), $this->allowed_file_types) ){ //开源OSPhP.COM.CN 
$contents = file_get_contents($f); 
if ( strpos($contents, $this->search_phrase) !== false ) 
$this->foundFiles [] = $f; 
//开源代码OSPhP.COm.CN 

} 
} 
return $this->foundFiles; 
} 
function GetDirContents($dir){ 
if (!is_dir($dir)){die ("Function GetDirContents: Problem reading : $dir!");} 
if ($root=@opendir($dir)){ 
//PHP开源代码 

while ($file=readdir($root)){ 
if($file=="." || $file==".."){continue;} 
if(is_dir($dir."/".$file)){ 

$files=array_merge($files,$this->GetDirContents($dir."/".$file)); 
}else{ 
$files[]=$dir."/".$file; //开源OSPhP.COM.CN 
} 
} 
} 
return $files; 
} 
} 
//Example : 
$search = new searchFileContents; 
$search->search('E:/htdocs/AccessClass', 'class'); //开源代码OSPHP.COM.Cn 
var_dump($search->foundFiles); 
?>