PHP code example of nish / phpstan-safestring-rule

1. Go to this page and download the library: Download nish/phpstan-safestring-rule 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/ */

nish / phpstan-safestring-rule example snippets




namespace App;

class ProductDto
{
    /** @var int */
    public $product_id;
    /** @var string */
    public $name;
    /** @var ?string */
    public $description;
}



namespace App;
class ProductHtml {
    public function view(ProductDto $product): void {




/**
 * @param int|string|null $input
 */
function h($input): string
{
    return htmlspecialchars((string)$input);
}

/**
 * @param int|string|null $input
 */
function raw($input): string
{
    return (string)$input;
}



namespace App;
class ProductHtml {
    public function view(ProductDto $product): void {



namespace App;
class TypeHtml {
    const CURRENT_TYPE_ID = 2;
    const TYPES = [
        1 => 'TYPE 1',
        2 => 'TYPE 2',
        3 => 'TYPE 3',
    ];
    public function view(): void {




namespace App;

use PDO;

class ProductDb
{
    /** @var PDO */
    private $pdo;

    public function __construct(PDO $pdo)
    {
        $this->pdo = $pdo;
    }

    /**
     * @return array<int,ProductDto>
     */
    public function getProductList(string $where): array
    {
        $stmt = $this->pdo->query('select * from products ' . $where);
        if (!$stmt)
            return [];
        $ret = $stmt->fetchAll(PDO::FETCH_CLASS, ProductDto::class);
        if (!$ret)
            return [];

        /** @var array<int,ProductDto> $ret */
        return $ret;
    }
}




namespace App;

use PDO;

class ProductPage
{
    /** @return mixed */
    public static function index(PDO $pdo, string $where)
    {
        $productModel = new ProductDb($pdo);
        $products = $productModel->getProductList($where);

        return [
            'templateData' => ['products' => $products],
        ];
    }
}


    /**
     * @param safe-string $where
     * @return array<int,ProductDto>
     */
    public function getProductList(string $where): array


class ProductPage
{
    /** @return mixed */
    public static function index(PDO $pdo, int $id)
    {
        $productModel = new ProductDb($pdo);
        $where = sprintf('where product_id > %d', $id);
        $products = $productModel->getProductList($where);