What are the potential issues when running PHP scripts as cron jobs?

One potential issue when running PHP scripts as cron jobs is that the environment variables may not be set as they would be in a typical web server environment. To solve this issue, you can explicitly set the necessary environment variables within your PHP script. 

```php
putenv('PATH=/usr/local/bin');
putenv('HOME=/home/user');
putenv('SHELL=/bin/bash');
```
This code snippet sets the PATH, HOME, and SHELL environment variables within the PHP script, ensuring that the necessary environment variables are available when the script is run as a cron job.

Keywords

cron jobs PHP scripts permissions environment variables error handling

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