php session_start() function
Translation results：
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() functionsyntax
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() functionexample
<?php
session_start();
session_id(1);
session_name("admin");
echo "session_id：".session_id()."，session_name：".session_name();
?>Run instance»
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();
?>Run Instance»
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