function.copy function.getimagesize function.unlink

i have this error in my code…i really dont know what is going on, it works just fine for few years and suddenly i become getting those 3 error: Does anyone can help me with this?

function upload()
{
$povratni_string="";
if (!$this->niz[‘name’]) return $povratni_string;

if ($this->niz[‘type’]==“image/jpeg” || $this->niz[‘type’]==“image/pjpeg”) $this->ext=".jpg";
else if ($this->niz[‘type’]==“image/gif”) $this->ext=".gif";
else if ($this->niz[‘type’]==“image/png” || $this->niz[‘type’]==“image/x-png”) $this->ext=".png";
else
{
$povratni_string=“Slika: “.$this->niz[‘name’].” - Greška: slike moraju biti .jpg ili .png formatu!”;
return $povratni_string;
}

$tmp_fajl=PATH_ROOT.PATH_TMP.$this->default_naziv."".$this->id_objekta."".$this->indeks.$this->ext;
$fajl=PATH_ROOT.$this->path.$this->default_naziv."".$this->id_objekta."".$this->indeks.$this->ext;
$this->naziv=$this->default_naziv."".$this->id_objekta."".$this->indeks.$this->ext;
copy($this->niz[‘tmp_name’],$tmp_fajl);

$tmp_slika=getimagesize($tmp_fajl);
$sirina=$tmp_slika[0];
$visina=$tmp_slika[1];

if ($sirina<$this->min_sirina || $visina<$this->min_visina)
{
$povratni_string=“Slika: “.$this->niz[‘name’].” - Greška: slike moraju biti minimalno “.$this->min_sirina.“x”.$this->min_visina.” piksela!
”;
unlink($tmp_fajl);
return $povratni_string;
}

I am getting error like this:

Warning: copy(/var/www/html/tmp/stranica_6_1.jpg) [function.copy]: failed to open stream: No such file or directory in /home2/brakiporodica/public_html/include/aplikacija.h.php on line 376

Warning: getimagesize(/var/www/html/tmp/stranica_6_1.jpg) [function.getimagesize]: failed to open stream: No such file or directory in /home2/brakiporodica/public_html/include/aplikacija.h.php on line 378

Warning: unlink(/var/www/html/tmp/stranica_6_1.jpg) [function.unlink]: No such file or directory in /home2/brakiporodica/public_html/include/aplikacija.h.php on line 385

Has anything changed on your host?

Sounds a little like a permissions issue.

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