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DatabaseObject::existsInDatabase — Check if object exists in database
Verifies if the database object refers to an object that exists in the database.
此函数没有参数。
Returns true if object exists in the database, else false if it does not.
示例 #1 mysql_xdevapi\DatabaseObject::existsInDatabase() example
<?php
$existInDb = $dbObj->existsInDatabase();
?>