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(PECL ibm_db2 >= 1.0.0)
db2_close — Closes a database connection
$connection): bool
This function closes a DB2 client connection created with db2_connect() and returns the corresponding resources to the database server.
If you attempt to close a persistent DB2 client connection created with db2_pconnect(), the close request is ignored and the persistent DB2 client connection remains available for the next caller.
connection
Specifies an active DB2 client connection.
成功时返回 true， 或者在失败时返回 false。
示例 #1 Closing a connection
The following example demonstrates a successful attempt to close a connection to an IBM DB2, Cloudscape, or Apache Derby database.
<?php
$conn = db2_connect('SAMPLE', 'db2inst1', 'ibmdb2');
$rc = db2_close($conn);
if ($rc) {
echo "Connection was successfully closed.";
}
?>
以上例程会输出：
Connection was successfully closed.
