PHP 4 >= 4.2.0, PHP 5, PHP 7, PHP 8
pg_field_is_null - Test if a field is SQL NULL
Code Examples

pg_field_is_null( PgSql\Result$result, int$row, mixed$field ): int
intpg_field_is_null PgSql\Resultresult mixedfield



An PgSql\Result instance, returned by pg_query, pg_query_params or pg_execute(among others).


Row number in result to fetch. Rows are numbered from 0 upwards. If omitted, current row is fetched.


Field number (starting from 0) as an int or the field name as a string.

Return Values

Returns 1 if the field in the given row is SQL NULL, 0 if not. false is returned if the row is out of range, or upon any other error.


Version Description
8.1.0 The result parameter expects an PgSql\Result instance now; previously, a resource was expected.

Example of pg_field_is_null

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Function pg_field_is_null:

PostgreSQL Functions

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