run shell command in php code example

Example 1: php run command line

shell_exec('ls');
// or
exec('ls');

Example 2: run shell script from php file

echo shell_exec('sh /home/scripts/fix-perm.sh');

Example 3: how to execute a php script from the command line?

To execute a php script, use the PHP Command Line interface(CLI) and specify the file name of the script in the following way:
php script.php