array ( 0 => 'index.php', 1 => 'PHP Manual', ), 'head' => array ( 0 => 'UTF-8', 1 => 'zh', ), 'this' => array ( 0 => 'function.connection-status.php', 1 => 'connection_status', 2 => '返回连接的状态位', ), 'up' => array ( 0 => 'ref.misc.php', 1 => '杂项 函数', ), 'prev' => array ( 0 => 'function.connection-aborted.php', 1 => 'connection_aborted', ), 'next' => array ( 0 => 'function.constant.php', 1 => 'constant', ), 'alternatives' => array ( ), 'source' => array ( 'lang' => 'zh', 'path' => 'reference/misc/functions/connection-status.xml', ), 'history' => array ( ), ); $setup["toc"] = $TOC; $setup["toc_deprecated"] = $TOC_DEPRECATED; $setup["parents"] = $PARENTS; manual_setup($setup); contributors($setup); ?>

connection_status

(PHP 4, PHP 5, PHP 7, PHP 8)

connection_status — 返回连接的状态位

说明

connection_status(): int

获得当前连接的状态位。

参数

此函数没有参数。

返回值

获得当前连接的状态位, 可以用于与 CONNECTION_* 常量来确定连接状态。

参见