Je was op zoek naar: indicate (Japans - Engels)

on exit, the arrays are modified to indicate which stream resource actually changed status.
also do not forget that those arrays are passed by reference and will be modified after stream_select() returns.

次の同期(s)appended to names of sync types to indicate the sync will happen just one time
next & sync

php_stream_read() returns the 1 to indicate eof, 0 if there is no eof and -1 to indicate an error.
prev

if not null, timeout specifies a maximum time to allow for the connection to be made. if the connection attempt takes longer than the timeout value, the connection attempt is aborted and null is returned to indicate that the stream could not be opened.
if the connection attempt takes longer than the timeout value, the connection attempt is aborted and null is returned to indicate that the stream could not be opened.

fbsql_query() returns true (non-zero) or false to indicate whether or not the query succeeded. a return value of true means that the query was legal and could be executed by the server. it does not indicate anything about the number of rows affected or returned. it is perfectly possible for a query to succeed but affect no rows or return no rows.
a return value of true means that the query was legal and could be executed by the server.