PHP code example of webmozart / assert

1. Go to this page and download the library: Download webmozart/assert 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/ */

webmozart / assert example snippets


use Webmozart\Assert\Assert;

class Employee
{
    public function __construct($id)
    {
        Assert::integer($id, 'The employee ID must be an integer. Got: %s');
        Assert::greaterThan($id, 0, 'The employee ID must be a positive integer. Got: %s');
    }
}


new Employee('foobar');
// => Webmozart\Assert\InvalidArgumentException:
//    The employee ID must be an integer. Got: string

new Employee(-10);
// => Webmozart\Assert\InvalidArgumentException:
//    The employee ID must be a positive integer. Got: -10


Assert::allIsInstanceOf($employees, 'Acme\Employee');


Assert::nullOrString($middleName, 'The middle name must be a string or null. Got: %s');