Realize scheduled execution of php scripts under linux, linux execution of php scripts_PHP tutorial

Realize scheduled execution of php scripts under linux, and execute php scripts under linux

Enter commands in linux

Then use the vim command to edit the open file and enter

Save, exit, okay, now the system will automatically execute the update.php script at every 0 o'clock. In the script, you can write functions such as database execution and automatic email sending.

Note: Directly writing 0 * * * * php -f /home/userxxx/update.php will not work.

In addition, the format of cronjob is:

MIN HOUR DOM MON DOW CMD

Use (-) to delimit the range

For example: 0 0-6 * * * command means executing command

Use (,) to enumerate time

For example: 0,15,30,45 * * * * command means that command will be executed at 0 minutes, 15 minutes, 45 minutes and 30 minutes of each hour

Use (/) to specify the interval

For example: * */4 * * * command means executing command

Combined usage

0-10/2 * * * * command means executing command