pg_num_fieldspg_num_fields (PHP 4 >= 4.2.0, PHP 5) pg_num_fields -- Returns the number of fields in a result Descriptionint 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"; ?>
|
The above example will output: |
|
|