COMMAND MODE SYNTAX:
ph [-s server] [-p port] [-t type] [-f field1,field2,...]
[-mMrRbBTlLF] query
ph [-s server] [-p port] [-t type] [-f field1,field2,...] [-mMnNrRbBTlLFcC]
INTERACTIVE MODE SYNTAX:
query [name-of-field=]value-of-field... [return {all|name-offield...}]