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Psr/Log/H11-Jun-2021-788307

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README.mdH A D10-Jun-20211.1 KiB5338

composer.jsonH A D10-Jun-2021561 2726

README.md

1PSR Log
2=======
3
4This repository holds all interfaces/classes/traits related to
5[PSR-3](https://github.com/php-fig/fig-standards/blob/master/accepted/PSR-3-logger-interface.md).
6
7Note that this is not a logger of its own. It is merely an interface that
8describes a logger. See the specification for more details.
9
10Installation
11------------
12
13```bash
14composer require psr/log
15```
16
17Usage
18-----
19
20If you need a logger, you can use the interface like this:
21
22```php
23<?php
24
25use Psr\Log\LoggerInterface;
26
27class Foo
28{
29    private $logger;
30
31    public function __construct(LoggerInterface $logger = null)
32    {
33        $this->logger = $logger;
34    }
35
36    public function doSomething()
37    {
38        if ($this->logger) {
39            $this->logger->info('Doing work');
40        }
41
42        // do something useful
43    }
44}
45```
46
47You can then pick one of the implementations of the interface to get a logger.
48
49If you want to implement the interface, you can require this package and
50implement `Psr\Log\LoggerInterface` in your code. Please read the
51[specification text](https://github.com/php-fig/fig-standards/blob/master/accepted/PSR-3-logger-interface.md)
52for details.
53