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function safe_file ($str, $ext) {
//ako ima znakova ‘\’, ‘/’ vrati 0
for ($i = 0; $i < strlen($str); $i++) {
switch ($str[$i]) {
case ‘\\’:
case ‘\/’:
return 0;
}
}
//extenzija iz string-a
$temp = split (‘\.’, $str);
$EXT = $temp[count($temp)-1];
$b = false;
//dali extenzija iz stringa postoji u nizu dopuštenih
for ($i = 0; $i < count($ext); $i++) {
if (strtolo