PHP code example of hanneskod / clean

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

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

    

hanneskod / clean example snippets

use hanneskod\clean\ArrayValidator;
use hanneskod\clean\Rule;

$validator = new ArrayValidator([
    'foo' => (new Rule)->match('ctype_digit'),
    'bar' => (new Rule)->match('ctype_alpha'),
]);

$tainted = [
    'foo' => 'not-valid only digits allowed',
    'bar' => 'valid'
];

try {
    $validator->validate($tainted);
} catch (Exception $e) {
    echo $e->getMessage();
}

use hanneskod\clean\Rule;

$rule = (new Rule)->pre('trim')->match('ctype_alpha')->post('strtoupper');

// outputs FOOBAR
echo $rule->validate('   foobar   ');

use hanneskod\clean\Rule;

$rule = (new Rule)->regexp('/A/');

// outputs ABC
echo $rule->validate('ABC');

use hanneskod\clean\ArrayValidator;
use hanneskod\clean\Rule;

$validator = new ArrayValidator([
    'key' => (new Rule)->def('baz')
]);

$data = $validator->validate([]);

// outputs baz
echo $data['key'];

use hanneskod\clean\Rule;

$rule = (new Rule)->msg('Expecting numerical input')->match('ctype_digit');

try {
    $rule->validate('foo');
} catch (Exception $e) {
    // outputs Expecting numerical input
    echo $e->getMessage();
}

use hanneskod\clean\ArrayValidator;

$validator = new ArrayValidator([]);

// throws a clean\Exception as key is not present in validator
$validator->validate(['this-key-is-not-definied' => '']);

use hanneskod\clean\ArrayValidator;

$validator = (new ArrayValidator)->ignoreUnknown();

$clean = $validator->validate(['this-key-is-not-definied' => 'foobar']);

// outputs empty
echo empty($clean) ? 'empty' : 'not empty';

use hanneskod\clean\ArrayValidator;
use hanneskod\clean\Rule;

$validator = new ArrayValidator([
    'nested' => new ArrayValidator([
        'foo' => new Rule
    ])
]);

$tainted = [
    'nested' => [
        'foo' => 'bar'
    ]
];

$clean = $validator->validate($tainted);

//outputs bar
echo $clean['nested']['foo'];

use hanneskod\clean\Rule;

$rule = (new Rule)->match('ctype_digit');

$result = $rule->applyTo('12345');

$result->isValid() == true;

// outputs 12345
echo $result->getValidData();

use hanneskod\clean\ArrayValidator;
use hanneskod\clean\Rule;

$validator = new ArrayValidator([
    '1' => (new Rule)->match('ctype_digit')->msg('failure 1'),
    '2' => (new Rule)->match('ctype_digit')->msg('failure 2'),
]);

// Both 1 and 2 will fail as they are not numerical
$result = $validator->applyTo(['1' => '', '2' => '']);

//outputs failure 1failure 2
foreach ($result->getErrors() as $errorMsg) {
    echo $errorMsg;
}

use hanneskod\clean\ArrayValidator;
use hanneskod\clean\Rule;

$validator = new ArrayValidator([
    'foo' => (new Rule)->match('ctype_digit'),
    'bar' => (new Rule)->match('ctype_digit'),
]);

$result = $validator->applyTo([
    'foo' => 'not-valid',
    'bar' => '12345'
]);

// outputs foo
echo implode(array_keys($result->getErrors()));

use hanneskod\clean\AbstractValidator;
use hanneskod\clean\Rule;
use hanneskod\clean\ValidatorInterface;

class NumberRule extends AbstractValidator
{
    protected function create(): ValidatorInterface
    {
        return (new Rule)->match('ctype_digit');
    }
}

// Outputs 1234
echo (new NumberRule)->validate('1234');