Supported Versions: PHP 4, PHP 5, PHP 7, PHP 8
Delay execution in microseconds
<?php usleep(int $microseconds): void
<?php             }



            if ($retries) {

                usleep(500000);

                $retries--;



                return $download();
<?php                 }



                $retries = 3;

                usleep(100000);



                return $download();

            }
<?php                 break;

            } catch (\Exception $e) {

                if ($retries) {

                    usleep(500000);

                    continue;

                }
<?php                     }



                    if ($retries) {

                        usleep(100000);



                        continue;

                    }
<?php             clearstatcache();

            usleep(100000);

            if (!is_dir($directory)) {

                return true;

            }
<?php         if (!$unlinked) {


            if (Platform::isWindows()) {

                usleep(350000);

                $unlinked = @$this->unlinkImplementation($path);

            }
<?php         if (!$deleted) {


            if (Platform::isWindows()) {

                usleep(350000);

                $deleted = @rmdir($path);

            }
<?php         $this->checkCurlResult(curl_multi_exec($this->multiHandle, $active));

        if (-1 === curl_multi_select($this->multiHandle, $this->selectTimeout)) {


            usleep(150);

        }



        while ($progress = curl_multi_info_read($this->multiHandle)) {
<?php     public static function workaroundFilesystemIssues()

    {

        if (self::isVirtualBoxGuest()) {

            usleep(200000);

        }

    }
<?php                 return;

            }



            usleep(1000);

        }

    }