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Revision Autor Zeilennr. Zeile
148 lars 1 
<?php
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namespace Illuminate\Support;
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class Timebox
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{
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    /**
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     * Indicates if the timebox is allowed to return early.
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     *
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     * @var bool
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     */
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    public $earlyReturn = false;
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    /**
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     * Invoke the given callback within the specified timebox minimum.
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     *
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     * @template TCallReturnType
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     *
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     * @param  (callable($this): TCallReturnType)  $callback
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     * @param  int  $microseconds
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     * @return TCallReturnType
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     */
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    public function call(callable $callback, int $microseconds)
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    {
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        $start = microtime(true);
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        $result = $callback($this);
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        $remainder = intval($microseconds - ((microtime(true) - $start) * 1000000));
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        if (! $this->earlyReturn && $remainder > 0) {
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            $this->usleep($remainder);
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        }
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        return $result;
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    }
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    /**
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     * Indicate that the timebox can return early.
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     *
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     * @return $this
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     */
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    public function returnEarly()
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    {
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        $this->earlyReturn = true;
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        return $this;
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    }
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    /**
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     * Indicate that the timebox cannot return early.
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     *
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     * @return $this
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     */
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    public function dontReturnEarly()
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    {
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        $this->earlyReturn = false;
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        return $this;
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    }
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    /**
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     * Sleep for the specified number of microseconds.
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     *
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     * @param  int  $microseconds
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     * @return void
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     */
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    protected function usleep(int $microseconds)
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    {
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        usleep($microseconds);
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    }
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}