What are the best practices for integrating Linux commands with PHP scripts?

When integrating Linux commands with PHP scripts, it is important to use the `shell_exec` function to execute the command and capture its output. It is also crucial to sanitize any user input to prevent command injection attacks. Additionally, consider using absolute paths for commands to ensure they are executed correctly. 

// Example of integrating a Linux command with a PHP script
$command = 'ls -l';
$output = shell_exec($command);

echo "<pre>$output</pre>";

Keywords

Linux commands PHP scripts shell_exec system exec

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