写了2个php: 1.php <?php file_put_contents('log.txt', 'sth from 1.php'.PHP_EOL , FILE_APPEND); 2.php <?php file_put_contents('log.txt', 'sth from 2.php'.PHP_EOL , FILE_APPEND); cmd执行 php 1.php 2.php 为什么只有1.ph...