| public parseLiteral ( $ast ) : integer | null | ||
| $ast | ||
| return | integer | null | |
public function parseLiteral($ast)
{
if ($ast instanceof IntValueNode) {
$val = (int) $ast->value;
if ($ast->value === (string) $val && self::MIN_INT <= $val && $val <= self::MAX_INT) {
return $val;
}
}
return null;
}