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Data Guard

Latest Stable Version License

Hides or masks array or collection elements on specific levels from a given specifications and conditions.

Installation

composer require acdphp/data-guard

Usage

# Hide
(new DataGuard())
    ->hide(array $data, string $resource, string $search, string $operator, mixed $value);

# Mask
(new DataGuard())
    ->mask(array $data, string $resource, string $search, string $operator, mixed $value);

Collection support

  • This can also be used directly with illuminate collection.
$protectedData = collect(['a' => 1, 'b' => 2])
    ->hide('a')
    ->mask('b');

print_r($protectedData->toArray());
# Result:
['b' => '###'];

Resource and Search Indicators

  • | - key split, keys to match on the same level.
  • : - key separator, hierarchy of keys to match from root to child.
  • [] - array indicator, DataGuard will look inside each of the values instead of directly looking for the next key.
  • ### - mask with, when calling mask(), data will be replaced with a string instead of removing it.

You may modify the indicators by passing it as a constructor argument.

new DataGuard(':', '|', '[]', '###')

When used in a framework like laravel, you may publish the config to change the indicators.

php artisan vendor:publish --tag=dataguard-config

Data (array)

  • your data array (preferably an associative array)

Resource (string)

  • string (example format: 'orders[]|order:line_items[]:sku')
  • this is the key point of data to be processed.

Search (string, optional)

  • instead of matching the given resource directly, you can pass another resource (same formatting as resource) as the first index of condition to match against the operator+value. search_resource will be searched through and matched, but the process point will still be on the given resource.
  • if not provided, last node of resource will be matched.

Operator (string, optional)

1. =     : equals
2. !=    : not equals
3. in    : in array
4. !in   : not in array
5. >     : greater than
6. <     : less than
7. <=    : less than or equal
8. >=    : greater than or equal
9. regex : Regular Expression; condition value must be a proper expression
  • if not provided, = (equals) will be used

Value (mixed, optional)

  • matches the search or resource with the given operator.

Example

use Cdinopol\DataGuard\DataGuard;

$data = [
    'hero' => [
        'name' => 'Thor',
        'profile' => [
            'address' => [
                'city' => 'Asgard',
                'country' => 'Asgard',
            ],
        ],

    ],
    'villain' => [
        'name' => 'Loki',
        'profile' => [
            'address' => [
                'city' => 'Asgard',
                'country' => 'Asgard',
            ],
        ],
    ],
    'others' => [
        [
            'name' => 'John',
            'profile' => [
                'address' => [
                    'city' => 'Asgard',
                    'country' => 'Asgard',
                ],
            ],
        ],
        [
            'name' => 'Doe',
            'profile' => [
                'address' => [
                    'city' => 'New York',
                    'country' => 'USA',
                ],
            ],
        ],
        [
            'name' => 'Carl',
            'profile' => [
                'address' => [
                    [
                        'city' => 'Chicago',
                        'country' => 'USA',
                    ],
                    [
                        'city' => 'Asgard',
                        'country' => 'Asgard',
                    ],
                ],
            ],
        ],
    ],
];

// Hides profile if city = Asgard
$protectedData = (new DataGuard())
    ->hide($data, 'heroes[]|hero|villain|others[]:profile', 'address|address[]:city', '=', 'Asgard');

print_r($protectedData);
# Result:
[
    'hero' => [
        'name' => 'Thor',
    ],
    'villain' => [
        'name' => 'Loki',
    ],
    'others' => [
        [
            'name' => 'John',
        ],
        [
            'name' => 'Doe',
            'profile' => [
                'address' => [
                    'city' => 'New York',
                    'country' => 'USA',
                ],
            ],
        ],
        [
            'name' => 'Carl',
        ],
    ],
];

Please check the unit test for more usage examples.


License

The MIT License (MIT). Please see License File for more information.

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Filter out data from an array of a given conditions

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