CUBRID_IS_INSTANCE(3) 1 CUBRID_IS_INSTANCE(3)
cubrid_is_instance - Check whether the instance pointed by OID exists
SYNOPSIS
int cubrid_is_instance (resource $conn_identifier, string $oid)
DESCRIPTION
The cubrid_is_instance(3) function is used to check whether the instance pointed by the given $oid exists or not.
PARAMETERS
o $conn_identifier
-Connection identifier.
o $oid
-OID of the instance that you want to check the existence.
RETURN VALUES
1, if such instance exists;
0, if such instance does not exist;
-1, in case of error
EXAMPLES
Example #1
cubrid_is_instance(3) example
<?php
$conn = cubrid_connect("localhost", 33000, "demodb");
$sql = <<<EOD
SELECT host_year, medal, game_date
FROM game
WHERE athlete_code IN
(SELECT code FROM athlete WHERE name='Thorpe Ian');
EOD;
$req = cubrid_execute($conn, $sql, CUBRID_INCLUDE_OID);
$oid = cubrid_current_oid($req);
$res = cubrid_is_instance ($conn, $oid);
if ($res == 1) {
echo "Instance pointed by $oid exists.
";
} else if ($res == 0){
echo "Instance pointed by $oid doesn't exist.
";
} else {
echo "error
";
}
cubrid_disconnect($conn);
?>
The above example will output:
Instance pointed by @0|0|0 doesn't exist.
SEE ALSO
cubrid_drop(3), cubrid_get_class_name(3).
PHP Documentation Group CUBRID_IS_INSTANCE(3)
