How to use php session_start function

php session_start function is used to start a new session or reuse an existing session. Its syntax is bool session_start ([ array $options = [] ] ). The parameter options is an associative array. If provided, it will be overwritten with the items in it. Configuration items in session configuration directives.

#php session_start function how to use?

Function: Start a new session or reuse an existing session

Syntax:

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

Parameters:

options This The parameter is an associative array whose items, if provided, will be used to override the configuration items in the session configuration directive. The keys in this array need not contain the session. prefix.

Note:

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

php session_start() function usage example 1

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

Output:

session_id：1，session_name：admin

php session_start() function usage example 2

<?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();
?>

Output:

当前存储的sessionid为2，存储的session名为:php中文网

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