Php/docs/function.px-get-schema
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px_get_schema
(PECL paradox >= 1.0.0)
px_get_schema — Returns the database schema
说明
px_get_schema
( resource $pxdoc
[, int $mode
= 0
] ) : array
px_get_schema() returns the database schema.
参数
pxdoc
- Resource identifier of the paradox database as returned by px_new().
mode
- If the optional
mode
isPX_KEYTOLOWER
orPX_KEYTOUPPER
the keys of the returned array will be converted to lower or upper case. Ifmode
is 0 or not passed at all, then the key name will be identical to the field name.
返回值
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().