Simple PHP file upload (example)_PHP tutorial

Save the following code as uploads.php

Copy the code The code is as follows:

 
 
 
     
     
     
 
 
 

 
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function file_list($dir,$pattern=""){ 
    $arr=array(); 
    $dir_handle=opendir($dir); 
    if($dir_handle){ 
        while(($file=readdir($dir_handle))!==false){ 
            if($file==='.' || $file==='..'){ 
                continue; 
            } 
            $tmp=realpath($dir.'/'.$file); 
            if(is_dir($tmp)){ 
                $retArr=file_list($tmp,$pattern); 
                if(!empty($retArr)){ 
                    $arr[]=$retArr; 
                } 
            } else { 
                if($pattern==="" || preg_match($pattern,$tmp)){ 
                    $arr[]=$tmp; 
                } 
            } 
        } 
        closedir($dir_handle); 
    } 
    return $arr; 
} 
$d_root = $_SERVER['DOCUMENT_ROOT']; 
$store_dir = "$d_root/uploads/";// 上传文件的储存位置 
if (!is_dir($store_dir)) { 
    mkdir($store_dir,0777,true); 
} 
$file_arr = file_list($store_dir); 
foreach ($file_arr as $v=>$k) { 
    $d_root_no = strlen($d_root); 
    $l = substr($k,$d_root_no); 
    echo $v.'号文件下载地址为:  '.$_SERVER['SERVER_ADDR'].$l.'
'; 
} 
$upload_file=isset($_FILES['upload_file']['tmp_name'])?$_FILES['upload_file']['tmp_name']:''; 
$upload_file_name=isset($_FILES['upload_file']['name'])?$_FILES['upload_file']['name']:''; 
$upload_file_size=isset($_FILES['upload_file']['size'])?$_FILES['upload_file']['size']:''; 
if($upload_file){ 
    $file_size_max = 1000*1000*200;// 200M限制文件上传最大容量(bytes) 
    if (!is_dir($store_dir)) { 
        mkdir($store_dir,0777,true); 
    }
$accept_overwrite = 1;//Whether overwriting the same file is allowed
// Check the file size
if ($upload_file_size > $file_size_max) {
echo "Sorry, your file size is larger than the limit" ;
exit;
}
// Check read and write files
if (file_exists($store_dir . $upload_file_name) && !$accept_overwrite) {
echo "Files with the same file name exist" ;
exit;
}
//Copy the file to the specified directory
if (!move_uploaded_file($upload_file,$store_dir.$upload_file_name)) {
echo "Failed to copy file";
exit;
}
}
if (isset($_FILES['upload_file'])) {
echo "

You uploaded a file:";
echo isset ($_FILES['upload_file']['name'])?$_FILES['upload_file']['name']:'';
echo "
";
//Client machine The original name of the file.

echo "The MIME type of the file is:";
echo isset($_FILES['upload_file']['type'])?$_FILES['upload_file']['type']:' ';
//The MIME type of the file, which requires the browser to provide support for this information, such as "image/gif".
echo "
";

echo "Upload file size:";
echo isset($_FILES['upload_file']['size'])?$_FILES['upload_file ']['size']:'';
//The size of the uploaded file, in bytes.
echo "
";

echo "The file is temporarily stored as:";
echo isset($_FILES['upload_file']['tmp_name'])?$ _FILES['upload_file']['tmp_name']:'';
//The temporary file name stored on the server after the file is uploaded.
$erroe = isset($_FILES['upload_file']['error'])?$_FILES['upload_file']['error']:'';
switch($erroe){
case 0:
echo "Upload successful"; break;
case 1:
echo "The uploaded file exceeds the value limited by the upload_max_filesize option in php.ini."; break;
case 2:
echo "The size of the uploaded file exceeds the value specified by the MAX_FILE_SIZE option in the HTML form."; break;
case 3:
echo "Only part of the file was uploaded"; break;
case 4:
echo "No files were uploaded"; break;
case 6:
echo "No cache directory"; break;
case 7:
echo "The upload directory is not readable"; break;
case 8:
echo "Upload stopped"; break;
default:
echo "No file uploaded"; break;
}
echo "

http://www.bkjia.com/PHPjc/824922.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/824922.htmlTechArticleSave the following code as uploads.php. Copy the code as follows: !DOCTYPE html PUBLIC "-//W3C// DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dt...