PHP code example of linna / filter

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

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

    

linna / filter example snippets

//using rule name
$rule = 'age: number, numbercompare < 30';

//using alias
$rule = 'age: n, nc < 30';

use Linna\Filter\Filter;

$f = new Filter();
$f->filter(20, 'number numberinterval >< 15 25');

//int 0
var_dump($f->getErrors());

//array (size=1)
//  'data' => 
//    array (size=0)
//      empty
var_dump($f->getMessages());

//array (size=1)
//  'data' => int 20
var_dump($f->getData());

use Linna\Filter\Filter;

//override $_POST superglobal for simulate data from user form
$_POST = [
    'email' => '[email protected]',
    'password' => 'p4ssw0rd200!',
    'age' => '25',
    'born' => '1980-06-01',
];

//create instance
$fm = new Filter();
$fm->filter($_POST, [
    'email: ize=0)
//      empty
//  'age' => 
//    array (size=0)
//      empty
//  'born' => 
//    array (size=0)
//      empty
var_dump($fm->getMessages());

//array (size=4)
//  'email' => string '[email protected]' (length=15)
//  'password' => string 'p4ssw0rd200!' (length=12)
//  'age' => int 25
//  'born' => string '1980-06-01' (length=10)
var_dump($fm->getData());

use Linna\Filter\Filter;

$f = new Filter();
$f->filter(20, 'number numberinterval >< 15 25');

$errors = $filter->getErrors();
$messages = $filter->getMessages();
$data = $filter->getData();

use Linna\Filter\Filter;

$f = new Filter();
$result = $f->filter(20, 'number numberinterval >< 15 25');

//or with a single expression
$result = (new Filter())->filter(20, 'number numberinterval >< 15 25');

$errors = $result->errors();
$messages = $result->messages();
$data = $result->data();

//override $_POST superglobal for simulate data from user form
$_POST = [
    'email' => '[email protected]',
    'password' => 'p4ssw0rd200!',
    'age' => '25',
    'born' => '1980-06-01',
];

$rules = [
    'email 

$rules = [
    'email: d stringlencompare >= 12',
    'age: number numberinterval >=< 20 30',
    'born: date Y-m-d datecompare <= Y-m-d 1990-12-31',
];

$rules = [
    'email: d, stringlencompare >= 12',
    'age: number, numberinterval >=< 20 30',
    'born: date Y-m-d, datecompare <= Y-m-d 1990-12-31',
];

$rules = [
    'email: d; stringlencompare >=, 12',
    'age: number; numberinterval >=<, 20, 30',
    'born: date Y-m-d; datecompare <=, Y-m-d, 1990-12-31',
];

$rules = [
    'email: d stringlencompare >= 12',
    'age: number numberinterval >=< 20 30',
    'born: date "Y m d" datecompare <= "Y m d" "1990 12 31"',
];

$rules = [
    "email: mail: nglencompare >= 12',
    'age: number numberinterval >=< 20 30',
    'born: date \'Y m d\' datecompare <= \'Y m d\' \'1990 12 31\'',
];

$customRules = [];
$customRules[] = new CustomRule(
    //alias
    ['hellocheck'],
    //callback
    //check if word hello is inside of a phrase
    function (string $received): bool {
        if (strpos(strtolower($received), 'hello') === false) {
            return false;
        }

        return true;
    }
);

$filter = new Filter();
$filter->addCustomRules($customRules);

//test passed
$r = $filter->filter('Hello World', 'hellocheck');

//array (size=1)
//  'data' => string 'Hello World' (length=11)
var_dump($r->data());

//int 0
var_dump($r->errors());

//array (size=1)
//  'data' => 
//    array (size=0)
//      empty
var_dump($r->messages());


//test fails
$r = $filter->filter('Heo World', 'hellocheck');

//array (size=1)
//  'data' => string 'Heo World' (length=9)
var_dump($r->data());

//int 1
var_dump($r->errors());

//array (size=1)
//  'data' => 
//    array (size=1)
//      0 => string 'Value provided not pass CustomRule (hellocheck) test' (length=52)
var_dump($r->messages());

$customRules = [];
$customRules[] = new CustomRule(
    //alias
    ['emailtoletters'],
    //callback
    //replace dot and at chars with literal name
    function (string &$received): void {
        $received = str_replace('@', ' at ', $received);
        $received = str_replace('.', ' dot ', $received);
    }
);

$filter = new Filter();
$filter->addCustomRules($customRules);

$r = $filter->filter('[email protected]', 'emailtoletters');

//array (size=1)
//  'data' => string 'sebastian dot rapetti at alice dot it' (length=37)
var_dump($r->data());

//int 0
var_dump($r->errors());

//array (size=1)
//  'data' => 
//    array (size=0)
//      empty
var_dump($r->messages());