[PHP] Looping through results of pg_meta_data()

[Ken Tozier]

I'm trying to build an html table using the results from pg_meta_data() 
but none of the access functions seem to work. I am getting results but 
just can't seem to do anything with them.

Here's what I'm using to verify that results are being returned:
$connstring = "dbname=pub_status user=postgres host=localhost 
port=5432";
$db = pg_connect($connstring);
$meta = pg_meta_data($db, 'table_definitions');
echo '<pre>';
var_dump($meta);
echo '</pre>';

Which yeilds:
array(2) {
  ["field_id"]=>
  array(5) {
    ["num"]=>
    int(1)
    ["type"]=>
    string(4) "int8"
    ["len"]=>
    int(8)
    ["not null"]=>
    bool(true)
    ["has default"]=>
    bool(true)
  }
  ["field_name"]=>
  array(5) {
    ["num"]=>
    int(2)
    ["type"]=>
    string(4) "text"
    ["len"]=>
    int(-1)
    ["not null"]=>
    bool(true)
    ["has default"]=>
    bool(false)
  }
}
But none of these seem to do anything:
$row_count = pg_num_rows($meta);
echo $row_count;
-> result a blank web page
$row = pg_fetch_row($meta, 0);
echo $row;
-> result a blank web page
$row = pg_fetch_array($meta, 0);
echo $row;
-> result a blank web page
$row = pg_fetch_object($meta, 0);
echo $row;
-> result a blank web page
What am I doing wrong?
Thanks for any help,
Ken
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