PHP code example of deefour / transformer

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

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

    

deefour / transformer example snippets

$input = [
    'title'            => 'a whole new world',
    'price'            => '29.95',
    'publication_date' => '2010-12-09',
    'author'           => 'Jason Daly',
];

use Deefour\Transformer\Transformer;
use Carbon\Carbon;

class BookTransformer extends Transformer
{
    protected $casts [
        'price' => 'float',
    ];

    public function title()
    {
        return trim(ucwords($this->raw('title')));
    }

    public function publicationDate()
    {
        return Carbon::parse($this->raw('publication_date'));
    }
}

$transform = new BookTransformer($input);

$transform->get('title');            //=> 'A Whole New World'
$transform->get('price');            //=> 29.95 (cast to a float)
$transform->get('publication_date'); //=> Carbon\Carbon instance

class BookTransformer extends Transformer
{
    protected $casts [
        'price' => 'float',
    ];
}

$attributes  = [ 'price' => '3.23' ];
$transformer = new BookTransformer($attributes);

$transformer->price; //=> 3.23 (cast to a float)

class CarTransformer extends Transformer
{
    protected $hidden = [ 'cylinders' ];
}

$attributes  = [ 'make' => 'Subaru', 'model' => 'WRX', 'cylinders' => 4 ];
$transformer = new Transformer($attributes);

$transformer->cylinders; //=> 4
$transformer->has('cylinders'); //=> true
$transformer->all(); //=> [ 'make' => 'Subaru', 'model' => 'WRX' ]
$transform->except('make'); // [ 'model' => 'WRX' ]

Deefour\Transformer\Transformer::preferNullValues();

class BookTransformer extends Transformer
{
    protected $fallbacks [
        'category' => 'Miscellaneous',
    ];
}


$attributes  = [ 'category' => null ];
$transformer = new BookTransformer($attributes);

$transformer->category; //=> Miscellaneous

Deefour\Transformer\Transformer::preferNullValues();

$transformer->category; //=> null

class BookTransformer extends Transformer
{
    /**
     * Is the book considered old?
     *
     * @attribute
     * @return string
     */
    public function isOld()
    {
        return $this->publication_date < Carbon::now()->subYears(10);
    }

    /**
     * Is the book nonfiction?
     *
     * @return boolean
     */
    public function internalSlug()
    {
        return sha1($this->title . (string)$this->publication_date);
    }
}

$transform = new BookTransformer([ 'title' => 'A Whole New World' ]);

$transform->get('title');          //=> 'A Whole New World'
$transform->get('is_old')          //=> false
$transformer->get('internal_slug') //=> null

$transform->all();                 //=> [ 'title' => 'A Whole New World', 'is_old' => false ]

$transform->get('title');

$transform->title;

$transformer->title();

isset($transform->title);

$transform->exists('title');
$transform->has('title');
$transform->contains('title');

$transform['title'];

$transform->all();

$transform->only('title', 'price', 'internal_slug'); //=> [ 'title' => 'A Whole New World', 'price' => 29.95, 'internal_slug' => null ]

$transform->intersect('title', 'price', 'internal_slug'); //=> [ 'title' => 'A Whole New World', 'price' => 29.95 ]

$transform->except('secret_key'); //=> everything except the 'secret_key' attribute.
$transform->omit('secret_key');

json_encode($transform); //=> "{'title':'A Whole New World', 'price':29.95, 'publication_date':'2010-12-09 00:00:00', 'author':'Jason Daly'}"

$transform->raw('title'); //=> 'a whole new world'
$transform->raw(); //=>  [ 'title' => 'a whole new world', 'price' => '29.95', 'publication_date' => '2010-12-09', 'author' => 'Jason Daly' ]

$transformer->get('invalid-attribute', 'Not Available'); //=> 'Not Available'
$transformer->get('invalid-attribte', function() { return 'Oops!'; }); //=> 'Oops!'

$transformer = new MutableTransformer([ 'foo' => '1234' ]);

$transformer->foo('abcd');

$transformer->get('foo'); //=> 'abcd'

$transformer = new MutableTransformer([ 'foo' => 'AAA', 'bar' => 'BBB' ]);

$transformer->isDirty(); //=> false

$transformer->foo = 'new value';

$transformer->isDirty(); //=> true
$transformer->dirty(); //=> [ 'foo' ]
$transformer->get('foo'); //=> 'new value'
$transformer->original('foo'); //=> 'AAA'

$transformer->changes(); //=> [ 'foo' => 'new value' ]