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# pg_num_fields

(PHP 4 >= 4.2.0)

pg_num_fields -- Returns the number of fields

## Description

int pg_num_fields ( resource result)

pg_num_fields() returns the number of fields (columns) in a PostgreSQL `result`. The argument is a result resource returned by pg_query(). This function will return -1 on error.

> Note: This function used to be called `pg_numfields()`.

See also pg_num_rows() and pg_affected_rows().

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