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bitmask
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attributes is a bitmask that can be tested against:
returns an array of objects containing mailbox information. each object has the attributes name, specifying the full name of the mailbox; delimiter, which is the hierarchy delimiter for the part of the hierarchy this mailbox is in; and attributes. attributes is a bitmask that can be tested against:

the flags are a bitmask of one or more of the following:
the flags are a bitmask of one or more of the following:

the level parameter takes on either a bitmask, or named constants.
the error_reporting() function sets the error_reporting directive at runtime. php has many levels of errors, using this function sets that level for the duration (runtime) of your script.

the options for imap_fetchbody() is a bitmask with one or more of the following:
the options for imap_fetchbody() is a bitmask with one or more of the following:

status - flags is also set, which contains a bitmask which can be checked against any of the above constants.
status- flags is also set, which contains a bitmask which can be checked against any of the above constants.

the above values (either numerical or symbolic) are used to build up a bitmask that specifies which errors to report.
all errors and warnings, as supported.

it' s a bitmask and can be either ifx_scroll, ifx_hold, or both or'ed together.
executes query on connection conn_id. for "select-type" queries a cursor is declared and opened. the optional cursor_type parameter allows you to make this a "scroll" and/or "hold" cursor. it's a bitmask and can be either ifx_scroll, ifx_hold, or both or'ed together. non-select queries are "execute immediate". ifx_scroll and ifx_hold are symbolic constants and as such shouldn't be between quotes. i you omit this parameter the cursor is a normal sequential cursor.