PHP upload files and create recursive directory example code_PHP tutorial

Copy code The code is as follows:

$uid=$_REQUEST['uid'];

$avatar = 'D:/avic/discuz/uc_server/data/avatar/'.get_avatar($uid, $size, $type);
$dir=dirname($avatar);

//Move the temporary files after successfully creating the directory
if(mkdirs($dir)){
　if($_FILES["pic"]["error"] >= 0){
if(move_uploaded_file($_FILES['pic']['tmp_name'],$avatar)){
　　$errorcode=1;
　　}else{
　　$errorcode=0;
　　$errormsg= "File move failed";
　　}
　}else{
　　$errorcode=0;
　　$errormsg=$_FILES['pic']['error'];
　　}
}
$back=array("errorcode"=>$errorcode,'errormsg'=>$errormsg);
echo json_encode($back);

//Return the path where the image is to be stored
function get_avatar($uid, $size = 'middle', $type = '') {
　$size = in_array($size, array('big' , 'middle', 'small')) ? $size : 'middle';
$uid = abs(intval($uid));
$uid = sprintf("%09d", $uid);
$dir1 = substr($uid, 0, 3);
$dir2 = substr($uid, 3, 2);
$dir3 = substr($uid, 5, 2);
$typeadd = $type == 'real' ? '_real' : '';
return $dir1.'/'.$dir2.'/'.$dir3.'/'.substr($uid, - 2).$typeadd."_avatar_$size.jpg";
}
//Create a directory recursively. If the $dir passed is not an absolute path, it will be at the same level as the directory running this method
function mkdirs($dir){
　if(!is_dir($dir)){
　if(!mkdirs(dirname($dir))){
　　return false;
　　}
　if( !mkdir($dir,0777)){
　　　return false;
　　}
　　}
return true;
}
?>

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