pg_field_type_oid

Supported Versions: PHP 5 >= 5.1.0, PHP 7, PHP 8
Returns the type ID (OID) for the corresponding field number
<?php pg_field_type_oid(PgSql\Result $result, int $field): string|int
<?php             $field = [

                'name' => pg_field_name($result, $i),

                'table' => sprintf('%s (OID: %s)', pg_field_table($result, $i), pg_field_table($result, $i, true)),

                'type' => sprintf('%s (OID: %s)', pg_field_type($result, $i), pg_field_type_oid($result, $i)),

                'nullable' => (bool) pg_field_is_null($result, $i),

                'storage' => pg_field_size($result, $i).' bytes',

                'display' => pg_field_prtlen($result, $i).' chars',