string $query, array $params[, array $types = NULL])Execute an SQL query with properly escaped parameters substituted.
string $query#array $params#array $types# = NULL
<?php
$c = new pq\Connection;
$result = $c->execParams("SELECT int($1) * s, int($2) * s, int($3) * s
FROM generate_series(1,3) s", array(1,2,3));
?>