pg_num_fields
(PHP 4 >= 4.2.0, PHP 5)
pg_num_fields -- Returns the number of fields in a result
Description
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().
Return Values
The number of fields (columns) in the result. On error, -1 is returned.
Examples
Example 1. pg_num_fields() example
<?php
$result = pg_query($conn, "SELECT 1, 2");
$num = pg_num_fields($result);
echo $num . " field(s) returned.\n";
?>
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The above example will output: |