array px_get_schema ( resource pxdoc [, int mode] )
px_get_schema() returns the database schema.
Parameters
pxdoc
Resource identifier of the paradox database
as returned by px_new().
mode
If the optional mode is
PX_KEYTOLOWER or
PX_KEYTOUPPER the keys of the returned array
will be converted to lower
or upper case. If mode is 0 or not passed at all,
then the key name will be identical to the field name.
Return Values
Returns the schema of a database file as an associated array. The key name
is equal to the field name. Each array element is itself an associated
array containing the two fields type and
size. type is one of the constants in
table Constants for field
types. size is the number of bytes this field
consumes in the record. The total of all field sizes is equal to the
record size as it can be retrieved with px-get-info().