Program execution Функции
PHP Manual

escapeshellarg

(PHP 4 >= 4.0.3, PHP 5)

escapeshellargEscape a string to be used as a shell argument

Описание

string escapeshellarg ( string $arg )

escapeshellarg() adds single quotes around a string and quotes/escapes any existing single quotes allowing you to pass a string directly to a shell function and having it be treated as a single safe argument. This function should be used to escape individual arguments to shell functions coming from user input. The shell functions include exec(), system() and the backtick operator.

Параметри

arg

The argument that will be escaped.

Връщани стойности

The escaped string.

Примери

Example #1 escapeshellarg() example

<?php
system
('ls '.escapeshellarg($dir));
?>

Вж. също


Program execution Функции
PHP Manual