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Latest Version [8.00202205221] Last Updated [May-22-2022]

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PHP Manual || LuaSandbox

(PECL luasandbox >= 1.0.0)

LuaSandbox::setCPULimitSet the CPU time limit for the Lua environment

Description

public LuaSandbox::setCPULimit ( float|bool $limit ) : void

Sets the CPU time limit for the Lua environment.

If the total user and system time used by the environment after the call to this method exceeds this limit, a LuaSandboxTimeoutError exception is thrown.

Time used in PHP callbacks is included in the limit.

Setting the time limit from a callback while Lua is running causes the timer to be reset, or started if it was not already running.

Note:

On Windows, the CPU limit will be ignored. On operating systems that do not support CLOCK_THREAD_CPUTIME_ID, such as FreeBSD and Mac OS X, wall-clock time rather than CPU time will be limited.

Parameters

limit

Limit as a float in seconds, or false for no limit.

Return Values

No value is returned.

Examples

Example #1 Calling a Lua function

<?php

// create a new LuaSandbox
$sandbox = new LuaSandbox();

// set a time limit
$sandbox->setCPULimit);

// Run Lua code
$sandbox->loadString'while true do end' )->call();

?>

The above example will output something similar to:

PHP Fatal error:  Uncaught LuaSandboxTimeoutError: The maximum execution time for this script was exceeded

See Also



PHP Manual || LuaSandbox