escapeshellarg function syntax tag tutorial 2013

Php escapeshellarg () function

Write your php code

(PHP 4 >= 4.0.3, PHP 5)

escapeshellarg -- Escape a string to be used as a shell argument

Syntax

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. A standard use would be:


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

Php escapeshellarg Function syntax tag

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Php escapeshellarg syntax tutorial

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