php中检查下传文件的目录里是否已存在同名的下传文件

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Release: 2016-06-13 13:14:59
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php中检查上传文件的目录里是否已存在同名的上传文件

检查上传文件的目录里是否已存在同名的上传文件

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function searchFile($path,$file){
	$file_array=array(); //存放文件名数组
	$folder_array=array(); //存放目录名数组
	$all_array=array(); //存放全部路径的数组

	if(is_dir($path)){  //检查文件目录是否存在
		$H = @ opendir($path);
		while(false !== ($_file=readdir($H))){
			//检索目录
			if(is_dir($path."/".$_file) && $_file != "." && $_file!=".." && $_file!=="Thumbs.db"){
				if(eregi('/'.$file,'/'.$_file)){
					array_push($folder_array,$path."/".$_file);
				}
				searchFile($path."/".$_file,$file);
			//检索文件
			}elseif(is_file($path."/".$_file) && $_file!="." && $_file!=".." && $_file!=="Thumbs.db"){
				echo $_file;
				echo '<br>';
				//$_file = auto_charset($_file,'utf-8','gbk');
				if(eregi('/'.$file,'/'.$_file)){
					array_push($file_array,$path."/".$_file);
					return 'yes'; //文件存在
				}
			}
		}
		//$this->all_array["folder"]=$this->folder_array;
		//$this->all_array["file"]=$this->file_array;
		closedir($H);
		return 'no'; //不存在
	}elseif(is_file($path)){
		if(eregi($file,$path)){
			//$this->all_array["file"]=$path;
			return 'yes'; //文件存在
		} else {
			return 'no'; //文件不存在
		}
	}else{
		return 'no'; //文件不存在
	}
}
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