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    unregister_tick_function

    (PHP 4 >= 4.0.3, PHP 5, PHP 7, PHP 8)

    unregister_tick_function — De-register a function for execution on each tick

    Description

    unregister_tick_function(callable $callback): void

    De-registers the function function so it is no longer executed when a tick is called.

    Parameters

    callback

    The function to de-register.

    Return Values

    No value is returned.

    See Also

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    User Contributed Notes 3 notes

    up
    4
    ElectricHeart at ya dot ru
    7 years ago
    You can unregister closure-function:

    declare(ticks = 1000);
    $startTime = microtime(true);
    $tick = true;
    $closure = function () use ($startTime, &$tick) {
    if (((microtime(true) - $startTime) > 5) && $tick) {
    $tick = false;
    throw new \Exception('Time to run code left');
    }
    };

    try {
    register_tick_function($closure);
    //do your code
    $result = 1;
    return $result;
    } catch (\Exception $e) {
    throw $e;
    } finally {
    unregister_tick_function($closure);
    }
    up
    1
    Greg
    11 years ago
    It's not so clear, but, at least as of PHP 5.3.13, you cannot use this inside of the handler itself as it will throw an error:

    <?php

    declare(ticks=2);

    function     tick_handler()
    {
    unregister_tick_function('tick_handler');
    }

    register_tick_function('tick_handler');

    set_time_limit(0);
    usleep(500000);

    ?>

    results in:

    warning: unregister_tick_function(): Unable to delete tick function executed at the moment in [filename]

    So if you want to unregister it must be done outside of the handler.
    up
    -3
    rob dot eyre at gmail dot com
    12 years ago
    Note that unregister_tick_function() can also accept a callback in the form of an array (either static, like array($className, $methodName) or instance, like array(&$this, $methodName)).

    It cannot accept an anonymous function, however.
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