PHP Australia Conference 2015

unregister_tick_function

(PHP 4 >= 4.0.3, PHP 5)

unregister_tick_functionDe-register a function for execution on each tick

Descrierea

void unregister_tick_function ( string $function_name )

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

Parametri

function_name

The function name, as a string.

Valorile întoarse

Nu este întoarsă nici o valoare.

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User Contributed Notes 2 notes

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1
Greg
2 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.
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0
rob dot eyre at gmail dot com
3 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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