JSON request logger

This is a PHP webservice that will -accept a POST request containing a well-formed JSON string -deny GET requests -write the request text to a log file -insert the request content into a table, or series of tables -must support nested JSON elements ~ one-to-one table relationships -must support nested JSON list elements ~ one-to-many table relationships -support simultaneous requests properly -DB interaction must happen via stored procedures -support definition of JSON field name relationships to table fields, this does not need to be dynamic -send a pre-defined JSON response Related SQL and JSON request structure will be provided