/**
* Undo the last actions on the open zip file.
* @param string $mixed
* @return boolean @params mixed $mixed : undo changes to an archive by index(int), name(string), all ('all' | '*' | blank) usage : $this->Zip->undo(1); $this->Zip->undo('myText.txt'); $this->Zip->undo('*'); $this->Zip->undo('myText.txt, myText1.txt'); $this->Zip->undo(array(1, 'myText.txt'));
*/
function undo($mixed = '*')
{
if (is_array($mixed)) {
foreach ($mixed as $value) {
$constant = is_string($value) ? 'Name' : 'Index';
if (!$this->zip->{'unchange' . $constant}($value)) {
return false;
}
}
} else {
$mixed = explode(',', $mixed);
if (in_array($mixed[0], ['*', 'all'])) {
if (!$this->zip->unchangeAll()) {
return false;
}
} else {
foreach ($mixed as $name) {
if (!$this->zip->unchangeName($name)) {
return false;
}
}
}
}
return true;
}
