(PHP 3 >= 3.0.4, PHP 4, PHP 5)
ocicolumnisnull -- ^2^a^E^O`O>>,"o 1/2 á^1^u'AD^EC·~n^EC
NULL~Aè^E"o
bool
ocicolumnisnull ( resource stmt, mixed col )
`Ec^1^u stmt 'O"i 3/4 "a 1/2 á^1^u"OD·u>>Ou"A column
'ADu"A"Ou^EC NULL lbnot ocicolumnisnull() ·u>>O TRUE !lb
"A~a"A"U^1>>^E^1'O~A'ADDòoA>>ò~Oss'AD~A^u×÷^Ia
col
^2^I^E'y!lb'ADDòoA''O1?a^E 1/4 1/4 AE"E~albnot'AD~A^u^E^1'O~A'óD'×"O"A,!lb