In linux-root, the crontab is used to execute the php script. In the 777 folder, is_writable cannot be written, but is it okay to run the script on the command line?

Under linuxroot, the crontab is used to execute the php script. The is_writable folder in 777 is not writable, And it is okay to run the script directly on the command line. What is the problem? In linux root, the crontab is used to execute the php script. The is_writable folder in 777 is not writable, And it is okay to run the script directly on the command line. What is the problem?

Reply: In linux root, the crontab is used to execute the php script. The is_writable folder in 777 cannot be written, but the command line can directly run this script. What is the problem?

You have used crontab, that is, the permission should be crontab!
You first use ROOT to write the file, and then use crontab to write the same file without permission.

You can use curl to execute php