Are there any specific PHP functions or libraries recommended for executing and formatting Shell commands within PHP scripts?

Executing and formatting Shell commands within PHP scripts can be achieved using the `shell_exec()` function. This function allows you to execute shell commands and capture the output. Additionally, you can use functions like `escapeshellarg()` to properly escape arguments passed to shell commands to prevent command injection vulnerabilities. 

// Execute a shell command and capture the output
$output = shell_exec('ls -l');

// Escape arguments passed to shell commands
$arg = escapeshellarg($user_input);

// Execute a shell command with escaped arguments
$output = shell_exec('grep ' . $arg . ' /path/to/file');

Keywords

Shell commands PHP functions libraries execution formatting

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