(PHP 4 >= 4.0.3, PHP 5, PHP 7)
register_tick_function — Register a function for execution on each tick
register_tick_function ( callable $function , mixed ...$args ) : bool
Registers the given function to be executed when a tick is called.
function
The function to register.
args
Returns true on success or false on failure.
Example #1 register_tick_function() example
<?php
declare(ticks=1);
// using a function as the callback
register_tick_function('my_function', true);
// using an object->method
$object = new my_class();
register_tick_function(array(&$object, 'my_method'), true);
?> register_tick_function() should not be used with threaded web server modules with PHP 5.2 or lower.
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https://www.php.net/manual/en/function.register-tick-function.php