PHP code example of laruence / taint

1. Go to this page and download the library: Download laruence/taint library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php.

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

laruence / taint example snippets



$a = trim($_GET['a']);

$file_name = '/tmp' .  $a;
$output    = "Welcome, {$a} !!!";
$var       = "output";
$sql       = "Select *  from " . $a;
$sql      .= "ooxx";

echo $output;

print $$var;


taint(string &$string, string &...$strings): bool


untaint(string &$string, string &...$strings): bool


is_tainted(string $string): bool



$a = $_GET['a'];
taint($a);          /* manually mark as tainted (by reference) */
var_dump(is_tainted($a));  /* true */
untaint($a);        /* clear the mark */

`
ini_set('taint.error_level', 0);