Руководство по PHP
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ocicolumnisnull

(PHP 3>= 3.0.4, PHP 4 )

ocicolumnisnull -- Test whether a result column is NULL

Description

bool ocicolumnisnull ( resource stmt, mixed column)

ocicolumnisnull() returns TRUE if the returned column column in the result from the statement stmt is NULL. You can either use the column-number (1-Based) or the column-name for the col parameter.

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ocicolltrimУровень вышеocicolumnname