PHP move_uploaded_file 上传成功但 returns 错误

Question

我正在尝试为网站创建图片上传。我还试图在写入目录之前调整图像大小。图片上传正常，但由于某种原因 move_uploaded_file 函数 returns 错误，即使文件实际上正在上传。请在下面查看我的一些代码：

$fileType = $_FILES['photo_one']['type'];

 //This gets all the other information from the form 
 $pic=($_FILES['photo_one']['name']); 
$tmppic = ($_FILES['photo_one']['tmp_name']);
$front=uniqid (rand (),false);
$newpic=$front.'_'.$pic;
$newtmppic=$front.'_'.$tmppic;



if($fileType == 'image/jpg' || $fileType == 'image/jpeg' )
{
$tmppic = ($_FILES['photo_one']['tmp_name']);
$src = imagecreatefromjpeg($tmppic);
}
else if($fileType == 'image/png')
{
$tmppic = ($_FILES['photo_one']['tmp_name']);
$src = imagecreatefrompng($tmppic);
}
else 
{
$src = imagecreatefromgif($tmppic);
}


list($width,$height)=getimagesize($tmppic);

$newwidth='700px';
$newheight=($height/$width)*$newwidth;
$tmp=imagecreatetruecolor($newwidth,$newheight);

imagecopyresampled($tmp,$src,0,0,0,0,$newwidth,$newheight,$width,$height);

 //This is the directory where images will be saved 
 $target = "../secure/profile_images/"; 
 $newtarget = $target . basename($newpic); 

imagejpeg($tmp,$newtarget,100);

 //Writes the photo to the server 
 if(move_uploaded_file($tmp, $newtarget)) 
 { 

 //Tells you if its all ok 
header('Location: Picture.php#A1');
 } 
 else { 
  //Gives an error if its not 
 echo "Sorry, there was a problem uploading your file."; 
 }

而不是重定向到Picture.php，屏幕returns，"Sorry, there was a problem uploading your file."但是，当我去网站上查看图片时，我可以看到图片成功那里。我检查了错误日志，也没有显示任何内容，所以我不知所措。任何建议或想法都将不胜感激！

Answer 1

问题是您使用 imagejpeg($tmp,$newtarget) 创建图像，它创建图像并将其存储在指定的路径中，并且您尝试移动已创建并存储在服务器上的同一文件。 imagejpeg 将在不使用 move_uploaded_file 函数的情况下创建图像并将其存储在服务器上。如果要检查文件是否已创建，请使用以下代码删除 move_uploaded_file 函数。

//Writes the photo to the server 
if(imagejpeg($tmp,$newtarget,100)) 
{ 

 //Tells you if its all ok 
 header('Location: Picture.php#A1');
} 
  else { 
 //Gives an error if its not 
  echo "Sorry, there was a problem uploading your file."; 
 }

PHP move_uploaded_file 上传成功但 returns 错误

PHP move_uploaded_file successfully uploads but returns false

php

file-upload

image-uploading

image-upload