php检查下传文件是否已存在或同名
php检查上传文件是否已存在或同名
//检查上传文件的目录里是否已存在同名的上传文件
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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