What is the purpose of using the exec() function in PHP?
The exec() function in PHP is used to execute an external program or command. It can be used to run shell commands, system commands, or any other executable file on the server. This function is commonly used for tasks such as running shell scripts, executing system commands, or interacting with other programs.
// Example of using exec() function to execute a shell command
$command = 'ls -l';
exec($command, $output);
foreach ($output as $line) {
echo $line . "<br>";
}
Related Questions
- How can the use of uppercase and lowercase letters in file names affect PHP functionality, and what best practices should be followed?
- What are the potential risks of abusing SMS sending capabilities through PHP?
- What are some potential pitfalls when trying to extract specific data from XML using PHP?