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# ocicolumnisnull

(PHP 3>= 3.0.4, PHP 4 , PHP 5)

ocicolumnisnull -- Test whether a result column is `NULL`

## Description

bool ocicolumnisnull ( resource stmt, mixed col )

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, in uppercase, for the col parameter.

> 注: This function was renamed to oci_field_is_null() after PHP >= 5.0.0. For downward compatibility ocicolumnisnull() can also be used. This is deprecated, however.

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