Magento 2 Simple Log

Easily add logs anywhere in the code (like Magento 1).

Requirements

Requires Magento 2 in any version.

Installation

Add the Log.php file in theapp/code directory.

Description

\Log::add(
    mixed $message,
    int $level = 6,
    ?string $fileName = null
)

Parameters

• message: the data to log (any type)
• level: the error level from 0 to 7
• fileName: the log file name in the var/log directory, app.log if null

Return Values

The method returns the number of bytes that were written to the log file (0 on failure).

Examples

\Log::add('Hello World!');

\Log::add('Panic!', \Log::ERR);

\Log::add([1, 2, 3], \Log::DEBUG);

try {
    throw new \Exception('Error message');
} catch (\Exception $exception) {
    \Log::add($exception, \Log::ERR);
}

\Log::add('This is a debug', \Log::DEBUG, 'custom_debug.log');

Results

app.log

2021-10-07 14:55:01 | INFO       | Hello World!
2021-10-07 14:55:02 | ERROR      | Panic!
2021-10-07 14:55:03 | DEBUG      | Array
(
    [0] => 1
    [1] => 2
    [2] => 3
)
2021-10-07 14:36:05 | ERROR       | Error message
#0 /var/www/magento2/pub/index.php(35): Magento\Framework\App\Bootstrap->run()
#1 {main}

custom_debug.log

2021-10-07 14:55:04 | DEBUG      | This is a debug