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php session_start() function

Chinese translationRecent Updates：2018-04-21 09:53:20

英[stɑ:t] US[stɑ:rt]

n.Start; set off; start; starting point

vt.& vi. Depart, set off

vt. Start; raise (question); start; make start

vi.Start; suddenly appear; suddenly jump up; suddenly gush out

Third person singular: starts Present participle: starting Past Formula: started Past participle: started

php session_start() function Video explanation

php session_start() function syntax

Function:Start a new session or reuse an existing session

Syntax: bool session_start ([ array $options = [] ] )

Parameters:

Parameters	Description
options	This parameter is an associative array. If provided, the items in it will be used to overwrite the configuration items in the Session Configuration Instructions. The keys in this array need not contain the session. prefix.

Explanation: Returns TRUE if the session is successfully started, otherwise returns FALSE

php session_start() function example

<?php
session_start();
session_id(1);
session_name("admin");
echo "session_id：".session_id()."，session_name：".session_name();
?>

Click the "Run instance" button to view the online instance

Output:

session_id：1，session_name：admin

<?php
session_start();
session_id(2);
session_name("php中文网");
echo "当前存储的sessionid为".session_id()."，存储的session名为:".session_name();
?>

Click the "Run Instance" button to view the online instance

Output:

当前存储的sessionid为2，存储的session名为:php中文网

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