関数・クラス解説

cubrid_is_instance

Check whether the instance pointed by OID exists

公式リファレンス

書式

cubrid_is_instance ( resource $conn_identifier , string $oid ) : int

説明

The cubrid_is_instance() function is used to check whether the instance pointed by the given oid exists or not.

パラメータ

conn_identifier

Connection identifier.

oid

OID of the instance that you want to check the existence.

返値

1, if such instance exists; 0, if such instance does not exist; -1, in case of error

サンプル

例1 cubrid_is_instance() example
 

$conn = cubrid_connect("localhost", 33000, "demodb");

$sql = <<
 
上の例の出力は以下となります。
 
Instance pointed by @0|0|0 doesn't exist.

参考