[PHP] php解决crontab定时任务不能写入文件问题的方法分析

<?php
error_reporting(0);
$time = date("Y-m-d h:i:s",time());
file_put_contents($dir."/crontab.txt","[$time]\n",FILE_APPEND);

*/1 * * * * /opt/php/bin/php /var/www/koastal/crontab.php

<?php
error_reporting(0);
$time = date("Y-m-d h:i:s",time());
echo $time;

*/1 * * * * /opt/php/bin/php /var/www/koastal/crontab.php >> /var/www/koastal/log.txt

<?php
error_reporting(0);
$dir = __DIR__;
$time = date("Y-m-d h:i:s",time());
file_put_contents($dir."/crontab.txt","[$time]\n",FILE_APPEND);