system

system

Execute an external program and display the output

 **system** string $command int $result_code

is just like the C version of the

function in that it executes the given and outputs the result. system``command

The call also tries to automatically flush the web server's output buffer after each line of output if PHP is running as a server module. system

If you need to execute a command and have all the data from the command passed directly back without any interference, use the function. passthru

commandThe command that will be executed.

result_code If the argument is present, then the return status of the executed command will be written to this variable. result_code

Returns the last line of the command output on success, and false on failure.

Voorbeeld: example

<?php
echo '<pre>';

// Outputs all the result of shellcommand "ls", and returns
// the last output line into $last_line. Stores the return value
// of the shell command in $retval.
$last_line = system('ls', $retval);

// Printing additional info
echo '
</pre>
<hr />Last line of the output: ' . $last_line . '
<hr />Return value: ' . $retval;
?>

exec``passthru``popen``escapeshellcmd``pcntl_execbacktick operator