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 dbx_close    (PHP 4 >= 4.0.6, PHP 5) dbx_close -- Close an open connection/databaseDescriptionbool dbx_close  ( object link_identifier) 
     如果成功则返回 TRUE,失败则返回 FALSE。
     | 例子 1. dbx_close() example | 
<?php$link = dbx_connect(DBX_MYSQL, "localhost", "db", "username", "password")
 or die("Could not connect");
 
 echo "Connected successfully";
 dbx_close($link);
 ?>
 | 
 | 
 注: 
      Always refer to the module-specific documentation as well.
     
     See also dbx_connect().
    
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