Execute command via shell and return the complete output as a string
$cmd
This function is identical to the backtick operator.
cmd
The command that will be executed.
The output from the executed command or NULL if an error occurred.
NULL
Example #1 A shell_exec example
<?php$output = shell_exec('ls -lart');echo "<pre>$output</pre>";?>
Note: This function is disabled when PHP is running in safe mode.
Note:
This function is disabled when PHP is running in safe mode.