当我尝试从我的托管小组上传到/public_html/支持小组时说：
。不幸的是，我有一些坏消息。由于共享托管限制，您似乎无法通过脚本移动该文件。为了拥有＆＃34; www-data＆＃34;您需要拥有VPS包的权限，因此您可以获得root权限。
所以我似乎无法上传到$PICTURE_UPLOAD_DIR = '/public_html/my_uploaded/';
$PICTURE_MIMES = [
'jpg' => 'image/jpeg',
'png' => 'image/png'
];
$image = $_FILES['image'];
$imagepath = $image['tmp_name'];
// Undefined | Multiple Files | $_FILES Corruption Attack
// If this request falls under any of them, treat it invalid.
if (!isset($image['error']) || is_array($image['error'])) {
$ojson['error'] = 'Invalid parameters'; $finish();
}
// Check $image['error'] value.
switch ($image['error']) {
case UPLOAD_ERR_OK:
break;
case UPLOAD_ERR_NO_FILE:
$ojson['error'] = 'No file sent'; $finish();
case UPLOAD_ERR_INI_SIZE:
case UPLOAD_ERR_FORM_SIZE:
$ojson['error'] = 'Exceeded filesize limit.'; $finish();
default:
$ojson['error'] = 'Unknown errors.'; $finish();
}
// You should also check filesize here.
$size = filesize($imagepath);
// $size = $image['size']; // dont trust $_FILES
if ($size > 1000000) {
$ojson['error'] = 'Exceeded filesize limit.'; $finish();
}
// DO NOT TRUST $_FILES['image']['mime'] VALUE !!
// Check MIME Type by yourself.
$finfo = new finfo(FILEINFO_MIME_TYPE);
$mime = $finfo->file($imagepath);
// if ($ext = array_search($mime, $PICTURE_MIMES) === false) { // this doesnt set $ext
if (false === $ext = array_search($mime, $PICTURE_MIMES)) {
$ojson['error'] = 'Invalid file format.'; $finish();
}
$ojson['$ext'] = $ext;
$ojson['$mime'] = $mime;
// generate random file name
while (true) {
$filename = generateRandomString().'.'.$ext;
$pathtarget = $PICTURE_UPLOAD_DIR.$filename;
if (!file_exists($pathtarget)) break;
}
$ojson['$pathtarget'] = $pathtarget;
$ojson['$imagepath'] = $imagepath;
// $getimg = getimagesize($imagepath);
if(is_uploaded_file($imagepath)){
$ojson['isuploaded'] = true;
} else {
$ojson['NOTUPLOADED'] = true;
}
if(move_uploaded_file($imagepath, $pathtarget)) {
$ojson['ok move'] = 'ok';
} else {
$ojson['failed move'] = error_get_last();
}
之外。
但是，当我尝试上传到public_html时，它仍然失败，这是我的代码：
move_uploaded_file error_get_last()不断失败， %% example 1.1 langrange interpolation %(Matlab)
% X : interpolation points
% Y : value of f(X)
% x : points where we want an evaluation of P(x),
% where P is the interpolator polynomial
x = [-1:0.01:1];
X = [-1:0.20:1];
y = 1./(1+25*x.^2);
Y = 1./(1+25*X.^2);
pol = lagrange_interp(X,Y,x)
%plot(x,pol,'k',x,y,'k--',X,Y,'k.');
legend('Lagrange Polynomial','Expected behavior','Data Points');
function polynomial = lagrange_interp(X,Y,x) %(Matlab)
n = length(X);
phi = ones(n,length(x));
polynomial = zeros(1,length(x));
i = 0;
j = 0;
for i = [1:n]
for j = [1:n]
if not(i==j)
phi(i,:) = phi(i,:).*(x-X(j))./(X(i)-X(j));
end;
end;
end;
for i = [1:n]
polynomial = polynomial + Y(i)*phi(i,:);
end;
!Lagrange Interpolation example !(Fortran)
program Lagrange
implicit none
integer:: i
integer, parameter:: n=10
integer, parameter:: z=201
integer, parameter:: z1=11
real, parameter:: delta=.01
real,parameter:: delta2=.20
real, dimension(1:z):: x,G,y,H
real*8, dimension(1:n):: M
real*8, dimension(1:n):: linterp(n)
x(1)=-1
G(1)=-1
do i=2,z
x(i)=x(i-1)+delta
y(i)=1/(1+25*(x(i)**2))
end do
print*, "The one-dimensional array x is:", x(1:z)
print*, "The one dimensional array y is", y(1:z)
do i=2,z1
G(i)=G(i-1)+delta2
H(i)=1/(1+25*(G(i)**2))
end do
print*,"The other one-dimensional array G is:", G(1:z1)
print*, "Then the one dimensional array H is", H(1:z1)
M=linterp(1:n)
print*, M(1:n)
end program
!Lagrange interpolation polynomial function !(Fortran)
real*8 function linterp(n)
implicit none
integer,parameter:: n=10
integer, dimension(1:n):: poly,pol
integer:: i, j
i=0
j=0
do i=1,n
do j=1,n
if (i/=j)then
poly(i,j)=poly(i,j)*(x(i)-G(j))/(y(i)-G(j))
end if
end do
end do
print*, poly(i,j)
do i=1,n
pol(i)=pol(i)+H(i)*poly(i,j)
end do
print*, pol(1:n)
end function
始终打印：
move_uploaded_file（）：无法移动＆＃39; / tmp / php7G5KMy＆＃39; to＆＃39; /public_html/my_uploaded/Q9BEsUkDre.jpg'
isuploaded总是如此。我很困惑，请你帮忙。