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register_tick_function

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

register_tick_function — 注册一个函数以便在每个 tick 上执行

说明

register_tick_function(callable $callback, mixed ...$args): bool

注册给定的 callback，以便在 tick 被调用时执行。

参数

callback

需要注册的函数。

args

返回值

成功时返回 true， 或者在失败时返回 false。

示例

示例 #1 register_tick_function() 示例

<?php
declare(ticks=1);

function my_tick_function($param) {
echo "Tick callback function called with param: $param\n";
}

register_tick_function('my_tick_function', true);
?>

参见