Config

Installation

composer require tomwright/php-config

General Usage

Create an instance of Config to get going:

$config = new Config();

Add values to the config as follows

$config->put('key', 'value');

Get values from the config as follows

$value = $config->get('key');

Storing Data

You can add separators to the key string in order to have the data stored slightly differently.

For example, let's say we have a contact name and email address. You can set this in any of the following ways:

$config->put('contact', [
    'name' => 'Tom',
    'email' => 'contact@tomwright.me',
]);

$config->put('contact.name', 'Tom');
$config->put('contact.email', 'contact@tomwright.me');

You can even mix and match between the above:

$config->put('contact', [
    'name' => 'Tom',
]);

$config->put('contact.email', 'contact@tomwright.me');

Fetching Data

You can use the dot separators in a similar way to the above when fetching data too.

Assuming we have the same contact details stored, let's look at the following:

$config->get('contact'); // [ 'name' => 'Tom', 'email' => 'contact@tomwright.me' ]

$config->get('contact.name'); // Tom
$config->get('contact.email'); // contact@tomwright.me

Separators

You can use as many separators in the key as you would like. The following will end up working in the same way as the above, just with a deeper level of storage.

$config->put('company.person.tom.email', 'contact@tomwright.me');
$config->put('company.person.jim.email', 'jim@tomwright.me');

$config->get('company');
/*
[
    'person' => [
        'tom' => [ 'email' => 'contact@tomwright.me' ],
        'jim' => [ 'email' => 'jim@tomwright.me' ],
    ]
]
*/

If you would like to use a separator other than the . character, you may set one using the setSeparator() method, or by passing it in in the Config constructor.

$config = new Config([
    'separator' => '|', // Equal
]);
$config->setSeparator('|'); // Equal

$config->put('contact', [
    'contact' => [
        'name' => 'Tom',
        'email' => 'contact@tomwright.me',
    ],
]);

$config->get('contact|name'); // Tom
$config->get('contact.email'); // NULL

Config Readers

Config readers are classes to help you auto-populate the config object with values. To use a Config Reader, simply pass it into $config->read().

$config = new Config();
$config->read(new SomeConfigReader());
$config->get('some.value.from.my.reader');

You can also pass an array of Config Readers into the Config constructor:

$config = new Config([
    'readers' => [
        new SomeConfigReader(),
    ],
]);
$config->get('some.value.from.my.reader');

Existing Config Readers

If you would like to create a Config Reader please feel free. The only requirement is that you implement the ConfigReader interface. If you have already created a Config Reader and would like it to appear here, please submit a pull request.

• PHPFileReader
• JSONFileReader