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PHP Manual
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Get the number of fields returned by the last query

ingres_num_fields

(PHP 4 >= 4.0.2, PHP 5 < 5.1.0, PECL ingres >= 1.0.0)

ingres_num_fields — Get the number of fields returned by the last query

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ingres_num_fields ( resource $result ) : int

ingres_num_fields() returns the number of fields in the results returned by the Ingres server after a call to ingres_query().

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result: The query result identifier

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Returns the number of fields

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ingres_query() - Send an SQL query to Ingres
ingres_fetch_array() - Fetch a row of result into an array
ingres_fetch_assoc() - Fetch a row of result into an associative array
ingres_fetch_object() - Fetch a row of result into an object
ingres_fetch_row() - Fetch a row of result into an enumerated array