How to execute PHP program regularly with crontab under Linux

How to use Crontab to execute PHP regularly in Linux. The implementation steps are as follows:

1. Use crontab -e to edit scheduled tasks The content is:

2. The php file must be in the first line of the file, plus the interpreter path (similar to bash or perl)

Note: The execution of PHP requires the support of Apache, the execution of shell script requires the support of Linux, and Linux supports the function of running a certain program regularly. Then, execute it directly in /etc/crontab, as follows:

The previous method was to first execute a shell program in crontab, and then let the shell program run the PHP program. This is actually quite inefficient; Instead, add the php path directly to /etc/crontab, such as

, can also be executed correctly;