冗余

重试

<?php

$maxRetries = 3;
$retryInterval = 1;
$retryCount = 0;

do {
    $retryCount++;

    if ($retryCount !== 1) {
        sleep($retryInterval);
    }

    // 逻辑
    $rand = rand(1, 10);
    echo $rand.PHP_EOL;
} while ($rand < 9 && $retryCount < $maxRetries);