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session_reset

(PHP 5 >= 5.6.0, PHP 7, PHP 8)

session_resetRe-initialize session array with original values

说明

session_reset(): bool

session_reset() reinitializes a session with original values stored in session storage. This function requires an active session and discards changes in $_SESSION.

参数

此函数没有参数。

返回值

成功时返回 true, 或者在失败时返回 false

更新日志

版本 说明
7.2.0 The return type of this function is bool now. Formerly, it has been void.

参见

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User Contributed Notes 2 notes

up
34
parsa dot mhn at outlook dot com
8 years ago
First of all you should execute this code :
<?php
session_start
();
$_SESSION["A"] = "Some Value";
?>

then you should execute this one :

<?php
start_session
();
$_SESSION["A"] = "Some New Value"; // set new value

session_reset(); // old session value restored
echo $_SESSION["A"];

//Output: Some Value
?>

That is because session_reset() is rolling back changes to the last saved session data, which is their values right after the session_start().
up
-37
vijay dot mits at gmail dot com
8 years ago
first create a session variable

<?php
session_start
();
$_SESSION["A"] = "Some Value";
echo
$_SESSION["A"];

//Output: Some Value

//if you need to rollback the session values after seting new value to session variables use session_reset()

$_SESSION["A"] = "Some New Value"; // set new value

session_reset(); // old session value restored
echo $_SESSION["A"];

//Output: Some Value
?>
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