ConFoo 2025

session_reset

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

session_resetRe-initialize session array with original values

Description

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.

Parameters

This function has no parameters.

Return Values

Returns true on success or false on failure.

Changelog

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

See Also

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User Contributed Notes 1 note

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35
parsa dot mhn at outlook dot com
9 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().
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