PHP code example of philiagus / parser

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

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

    

philiagus / parser example snippets

use Philiagus\Parser\Base\Subject;
use Philiagus\Parser\Parser\Assert\AssertInteger;

$integer = 100;

$parsingResult = AssertInteger::range(0, 100)
    ->parse(Subject::default($integer))
    ->getValue();

// or, also possible:
AssertInteger::range(0, 100)
    ->thenAssignTo($target)
    ->parse(Subject::default($integer))
    ->getValue();

use Philiagus\Parser\Base\Subject;
use Philiagus\Parser\Parser\Assert\AssertFloat;
use Philiagus\Parser\Parser\Assert\AssertInteger;
use Philiagus\Parser\Parser\Logic\OneOf;
use Philiagus\Parser\Parser\Parse\ParseArray;

$input = [
    1, 1.0, 2, 4, 4.20
];

$integers = [];
$floats = [];

ParseArray::new()
    ->assertSequentialKeys()
    ->giveEachValue(
        OneOf::new()
            ->parser(
                AssertInteger::minimum(0)
                    ->thenAppendTo($integers),
                AssertFloat::minimum(0.0)
                    ->thenAppendTo($floats)
            )
    )
->parse(Subject::default($input));

// $integers will contain [1, 2, 4]
// $floats will contain [1.0, 4.20]

use Philiagus\Parser\Base\Subject;
use Philiagus\Parser\Parser\Assert\AssertInteger;
use Philiagus\Parser\Parser\Assert\AssertStdClass;
use Philiagus\Parser\Parser\Assert\AssertStringMultibyte;
use Philiagus\Parser\Parser\Convert\ConvertToDateTime;
use Philiagus\Parser\Parser\Parse\ParseJSONString;

$sourceValue = '{"name":"Frank Herbert","birthday":"1920-10-08"}';

$parser = ParseJSONString::new()
    ->then(
        AssertStdClass::new()
            ->givePropertyValue(
                'name',
                AssertStringMultibyte::UTF8()
                    ->giveLength(
                        AssertInteger::new()
                            ->assertMinimum(1)
                            ->assertMaximum(64)
                    )
                    ->thenAssignTo($name)
            )
            ->givePropertyValue(
                'birthday',
                ConvertToDateTime::fromSourceFormat(
                    '!Y-m-d', new \DateTimeZone('UTC'),
                    'The provided birthday is not a valid date'
                )
                    ->setTimezone(new \DateTimeZone('UTC'))
                    ->thenAssignTo($birthday)
            )
    );
    
$result = $parser->parse(Subject::default($sourceValue, 'Input', false));

if ($result->hasErrors()) {
    foreach ($result->getErrors() as $error) {
        echo $error->getPathAsString(), ': ', $error->getMessage(), PHP_EOL;
    }
    exit;
}

$today = new \DateTime();
$delta = $today->diff($birthday);
if ($today < $birthday) {
    echo "$name will be born in ", $delta->y, " years", PHP_EOL;
} else {
    echo "$name was born ", $delta->y, " years ago", PHP_EOL;
}