<?php pg_version(?PgSql\Connection $connection = null): array
<?php $a['port'] = pg_port($link); $a['dbname'] = pg_dbname($link); $a['options'] = pg_options($link); $a['version'] = pg_version($link); foreach (self::PARAM_CODES as $v) { if (false !== $s = pg_parameter_status($link, $v)) {