PHP code example of supergnaw / form-security

1. Go to this page and download the library: Download supergnaw/form-security 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/ */

supergnaw / form-security example snippets


$exampleToken = FormSecurity::token_generate('example');


if (FormSecurity::token_verify("token_name")) {
    echo "security token is valid!";
} else {
    echo "security token is invalid!";
}


FormSecurity::token_clear_all();


$input = [
    "var1" => 1,
    "var2" => 2,
    "var3" => 3
];

$whitelist = ["var1", "var2"];
$output = FilterSecurity::apply_whitelist($whitelist, $input);
// $output = [1, 2]

$blacklist = ["var1", "var3"];
$output = FilterSecurity::apply_blacklist($blacklist, $input);
// $output = [2]


$filter = [
    "foo" => "int",
    "bar" => "string",
];

$_GET = [
    "foo" => "1",
    "bar" => "2"
]
$get = FormSecurity::filter_input(input: "get", types: $filter);
// $get = ["2"]

$_POST = [
    "foo" => 1,
    "bar" => 2
];
$post = FormSecurity::filter_input(input: "post", types: $filter);
// $post = [1]


$input = "Hell0 w0rld!";
$output = FormSecurity::clean_to_alpha($input);
// $output = "Hellwrld"


$input = "Hell0 w0rld!";
$output = FormSecurity::clean_to_alnum($input);
// $output = "Hell0w0rld"

html

<form>
    <input type="hidden" name="token_name" value=" echo $exampleToken;