pg_num_fields

Returns the number of fields in a result (PHP 4 >= 4.2.0, PHP 5)
int pg_num_fields ( resource result )

pg_num_fields() returns the number of fields (columns) in a PostgreSQL result resource.

Note:

This function used to be called pg_numfields().

result: PostgreSQL query result resource, returned by pg_query(), pg_query_params() or pg_execute() (among others).

The number of fields (columns) in the result. On error, -1 is returned.

<?php

$result = pg_query($conn, "SELECT 1, 2");



$num = pg_num_fields($result);



echo $num . " field(s) returned.\n";

?>

The above example will output:

2 field(s) returned.

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