No cache version.

Caching disabled. Default setting for this page:enabled (code LNG204)
If the display is too slow, you can disable the user mode to view the cached version.

Rechercher une fonction PHP

shell_exec

Contents

(PHP 4, PHP 5, PHP 7)

shell_exec — Execute command via shell and return the complete output as a string

Description

shell_exec ( string $cmd ) : string

This function is identical to the backtick operator.

PHP: shell_exec - Manual Home of Manuel PHP  Contents Haut

Parameters

cmd

The command that will be executed.

PHP: shell_exec - Manual Home of Manuel PHP  Contents Haut

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.

PHP: shell_exec - Manual Home of Manuel PHP  Contents Haut

Examples

Example #1 A shell_exec() example

<?php
$output = shell_exec('ls -lart');
echo "<pre>$output</pre>";
?>

PHP: shell_exec - Manual Home of Manuel PHP  Contents Haut

Notes

Note:

This function is disabled when PHP is running in safe mode.

PHP: shell_exec - Manual Home of Manuel PHP  Contents Haut

See Also

Find a PHP function
Error Infobrol

Can not display this page of the Infobrol website

Type of error (18-01)

Unknown format specifier "&"

Please try again in a few minutes…

Return to the home page




Steph