--TEST-- PDO PgSQL Bug #33876 (PDO misquotes/miscasts bool(false)) --EXTENSIONS-- pdo_pgsql --SKIPIF-- --FILE-- setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_SILENT); $db->exec("SET LC_MESSAGES='C'"); $db->exec('CREATE TABLE b33876 (foo varchar(5) NOT NULL, bar bool NOT NULL)'); $db->exec("INSERT INTO b33876 VALUES('false','f'), ('true', 't')"); $res = $db->prepare('SELECT foo from b33876 where bar = ?'); # this is the portable approach to binding a bool $res->bindValue(1, false, PDO::PARAM_BOOL); if (!$res->execute()) print_r($res->errorInfo()); else print_r($res->fetchAll(PDO::FETCH_ASSOC)); # this is the portable approach to binding a bool $res->bindValue(1, true, PDO::PARAM_BOOL); if (!$res->execute()) print_r($res->errorInfo()); else print_r($res->fetchAll(PDO::FETCH_ASSOC)); # true gets cast to string (because the implied default is string) # true-as-string is 1, so this "works" if (!$res->execute(array(true))) print_r($res->errorInfo()); else print_r($res->fetchAll(PDO::FETCH_ASSOC)); # Expected to fail; unless told otherwise, PDO assumes string inputs # false -> "" as string, which pgsql doesn't like if (!$res->execute(array(false))) print_r(normalizeErrorInfo($res->errorInfo())); else print_r($res->fetchAll(PDO::FETCH_ASSOC)); # And now using emulator prepares echo "EMUL\n"; $res = $db->prepare('SELECT foo from b33876 where bar = ?', array( PDO::ATTR_EMULATE_PREPARES => true)); # this is the portable approach to binding a bool $res->bindValue(1, false, PDO::PARAM_BOOL); if (!$res->execute()) print_r($res->errorInfo()); else print_r($res->fetchAll(PDO::FETCH_ASSOC)); # this is the portable approach to binding a bool $res->bindValue(1, true, PDO::PARAM_BOOL); if (!$res->execute()) print_r($res->errorInfo()); else print_r($res->fetchAll(PDO::FETCH_ASSOC)); # true gets cast to string (because the implied default is string) # true-as-string is 1, so this "works" if (!$res->execute(array(true))) print_r($res->errorInfo()); else print_r($res->fetchAll(PDO::FETCH_ASSOC)); # Expected to fail; unless told otherwise, PDO assumes string inputs # false -> "" as string, which pgsql doesn't like if (!$res->execute(array(false))) { print_r(normalizeErrorInfo($res->errorInfo())); } else { print_r($res->fetchAll(PDO::FETCH_ASSOC)); } function normalizeErrorInfo(array $err): array { // Strip additional lines outputted by recent PgSQL versions $err[2] = trim(current(explode("\n", $err[2]))); return $err; } ?> --CLEAN-- query('DROP TABLE IF EXISTS b33876 CASCADE'); ?> --EXPECTF-- Array ( [0] => Array ( [foo] => false ) ) Array ( [0] => Array ( [foo] => true ) ) Array ( [0] => Array ( [foo] => true ) ) Array ( [0] => 22P02 [1] => 7 [2] => %s: %sboolean%s ) EMUL Array ( [0] => Array ( [foo] => false ) ) Array ( [0] => Array ( [foo] => true ) ) Array ( [0] => Array ( [foo] => true ) ) Array ( [0] => 22P02 [1] => 7 [2] => %s: %sboolean%s )