serialize a large array in PHP?

Question

I am curious, is there a size limit on serialize in PHP. Would it be possible to serialize an array with 5,000 keys and values so it can be stored into a cache?

I am

Answer 1

I think better than serialize is json_encode function. It got a drawback, that associative arrays and objects are not distinguished, but string result is smaller and easier to read by human, so also to debug and edit.