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PHP5中文手册
session_start(PHP 4, PHP 5) session_start — Initialize session data 说明
bool session_start
( void
)
session_start() creates a session or resumes the current one based on the current session id that's being passed via a request, such as GET, POST, or a cookie. If you want to use a named session, you must call session_name() before calling session_start(). session_start() will register internal output handler for URL rewriting when trans-sid is enabled. If a user uses ob_gzhandler or like with ob_start(), the order of output handler is important for proper output. For example, user must register ob_gzhandler before session start. 返回值This function always returns TRUE. 更新日志
范例
Example#1 A session example: page1.php
<?php After viewing page1.php, the second page page2.php will magically contain the session data. Read the session reference for information on propagating session ids as it, for example, explains what the constant SID is all about.
Example#2 A session example: page2.php
<?php 注释
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