Parse URL query parameters while preserving repeated keys, empty values and order.
Enter a complete URL, a query beginning with ?, or key=value&key2=value2. Output is an ordered array of name/value pairs. The target URL is never visited.
q=hello+world&tag=js&tag=css gives q the value hello world and retains both tag entries.
Uses form-style query decoding: + becomes a space, while %2B becomes a plus. Repeated keys and empty values are preserved; fragments after # are excluded. Invalid encoding is rejected.
Why use an array instead of an object? A parameter can appear more than once, such as tag=js&tag=css. An array keeps both values and their order.