array ( 0 => 'index.php', 1 => 'PHP Manual', ), 'head' => array ( 0 => 'UTF-8', 1 => 'zh', ), 'this' => array ( 0 => 'function.mysqli-connect.php', 1 => 'mysqli_connect', 2 => '别名 mysqli::__construct', ), 'up' => array ( 0 => 'ref.mysqli.php', 1 => '别名和过时的 Mysqli 函数', ), 'prev' => array ( 0 => 'ref.mysqli.php', 1 => '别名和过时的 Mysqli 函数', ), 'next' => array ( 0 => 'function.mysqli-escape-string.php', 1 => 'mysqli::escape_string', ), 'alternatives' => array ( ), 'source' => array ( 'lang' => 'zh', 'path' => 'reference/mysqli/functions/mysqli-connect.xml', ), 'history' => array ( ), ); $setup["toc"] = $TOC; $setup["toc_deprecated"] = $TOC_DEPRECATED; $setup["parents"] = $PARENTS; manual_setup($setup); contributors($setup); ?>

mysqli_connect

(PHP 5, PHP 7, PHP 8)

mysqli_connect — 别名 mysqli::__construct()

说明

此函数是该函数的别名： mysqli::__construct()

注意:
如果未启用 mysqli 异常模式，并且连接失败，则 mysqli_connect() 返回 false 而不是对象。mysqli_connect_error() 函数可用于获取连接错误。