shell_exec
Execute command via shell and return the complete output as a string
Description
string shell_exec
( string $cmd
)
Parameters
-
cmd
-
The command that will be executed.
Return Values
The output from the executed command or NULL if an error occurred or the
command produces no output.
Note:
This function can return NULL both when an error occurs or the program
produces no output. It is not possible to detect execution failures using
this function. exec should be used when access to the
program exit code is required.
Examples
Example #1 A shell_exec example
<?php
$output = shell_exec('ls -lart');
echo "<pre>$output</pre>";
?>
Notes
Note:
This function is disabled when PHP is running in safe mode.