int pg_field_num(resource $result, string $field_name)
pg_field_num() will return the number of the field number that corresponds to the
field_name in the given PostgreSQL
This function used to be called pg_fieldnum().
The field number (numbered from 0), or -1 on error.
- resource $result: PostgreSQL query result resource, returned by pg_query(), pg_query_params() or pg_execute() (among others).
- string $field_name: The name of the field.
Example #1 Getting information about fields
$dbconn = pg_connect("dbname=publisher") or die("Could not connect");
$res = pg_query($dbconn, "select author, year, title from authors where author = 'Orwell'");
echo "Column 'title' is field number: ", pg_field_num($res, 'title');
The above example will output:
Column 'title' is field number: 2
- This function used to be called pg_fieldnum().