public static function maybeUn($data)
{
// If it isn't a string, it isn't serialized
if (!is_string($data)) {
return $data;
}
$data = trim($data);
// Is it the serialized NULL value?
if ($data === 'N;') {
return null;
}
$length = strlen($data);
// Check some basic requirements of all serialized strings
if (self::_checkBasic($data, $length)) {
return $data;
}
// $data is the serialized false value
if ($data === 'b:0;') {
return false;
}
// Don't attempt to unserialize data that isn't serialized
$uns = @unserialize($data);
// Data failed to unserialize?
if ($uns === false) {
$uns = @unserialize(self::fix($data));
if ($uns === false) {
return $data;
} else {
return $uns;
}
} else {
return $uns;
}
} /**
* Execute
* @return boolean
*/
public static function execute(&$object, $target, $replace)
{
$plainObject = Ser::maybeUn($object);
if (is_array($plainObject)) {
$replaced = false;
foreach ($plainObject as &$value) {
if (static::execute($value, $target, $replace) && !$replaced) {
$replaced = true;
}
}
$object = Ser::maybe($plainObject);
return $replaced;
} else {
if (strpos($object, $target) !== false) {
$object = str_replace($target, $replace, $object);
return true;
}
return false;
}
}