nested accessor php

verschachtelter Accessor

Accessor zum Abrufen und Festlegen von Werten verschachtelter Datenstrukturen (Arrays oder Objekte).

So installieren Sie es in Ihrem Projekt

 composer require smoren/nested-accessor

Unit-Tests

 composer install
composer test-init
composer test

Verwendung

NestedAccessor

 use Smoren  NestedAccessor  Components  NestedAccessor ;

$ source = [
    ' data ' => [
        ' id ' => 1 ,
        ' name ' => ' Countries classifier ' ,
        ' extra ' => null ,
        ' country_names ' => [ ' Russia ' , ' Belarus ' ],
    ],
    ' countries ' => [
        [
            ' name ' => ' Russia ' ,
            ' cities ' => [
                [
                    ' name ' => ' Moscow ' ,
                    ' extra ' => [
                        ' codes ' => [
                            [ ' value ' => 7495 ],
                            [ ' value ' => 7499 ],
                        ],
                    ],
                ],
                [
                    ' name ' => ' Petersburg ' ,
                    ' extra ' => [
                        ' codes ' => [
                            [ ' value ' => 7812 ],
                        ],
                    ],
                ],
            ],
        ],
        [
            ' name ' => ' Belarus ' ,
            ' cities ' => [
                [
                    ' name ' => ' Minsk ' ,
                    ' extra ' => [
                        ' codes ' => [
                            [ ' value ' => 375017 ],
                        ],
                    ],
                ],
            ],
        ],
    ]
];

$ accessor = new NestedAccessor ( $ input );

echo $ accessor -> get ( ' data.name ' ); // 'Countries classifier'
print_r ( $ accessor -> get ( ' countries.name ' )); // ['Russia', 'Belarus']
print_r ( $ accessor -> get ( ' countries.cities.name ' )); // ['Moscow', 'Petersburg', 'Minsk']
print_r ( $ accessor -> get ( ' countries.cities.extra.codes.value ' )); // [7495, 7499, 7812, 375017]

var_dump ( $ accessor -> isset ( ' data.name ' )); // true
var_dump ( $ accessor -> isset ( ' data.extra ' )); // false
var_dump ( $ accessor -> isset ( ' this.path.not.exist ' )); // false

var_dump ( $ accessor -> exist ( ' data.name ' )); // true
var_dump ( $ accessor -> exist ( ' data.extra ' )); // true
var_dump ( $ accessor -> exist ( ' this.path.not.exist ' )); // false

$ accessor -> set ( ' data.name ' , ' New name ' );
echo $ accessor -> get ( ' data.name ' ); // 'New name'

$ accessor -> append ( ' data.country_names ' , ' Mexico ' );
echo $ accessor -> get ( ' data.country_names ' ); // ['Russia', 'Belarus', 'Mexico']

$ accessor -> delete ( ' data.name ' );
var_dump ( $ accessor -> exist ( ' data.name ' )); // false