PHP code example of phossa2 / logger

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

phossa2 / logger example snippets

use Phossa2\Logger\Logger;
use Phossa2\Logger\Handler\SyslogHandler;
use Phossa2\Logger\Handler\LogfileHandler;
use Phossa2\Logger\Processor\MemoryProcessor;
use Phossa2\Logger\Processor\InterpolateProcessor;

// with default channel
$logger = new Logger('MyApp');

// attach memory processor
$logger->addProcessor(new MemoryProcessor());

// attach interpolate processor to all channels' ('*') end (-100)
$logger->addProcessor(new InterpolateProcessor(), '*', -100);

// attach syslog handler to user related channels
$logger->addHandler('debug', new SyslogHandler(), 'user.*');

// attach file handler to all channels
$logger->addHandler('warning', new LogfileHandler('/tmp/app.log'));

// log to system.usage channel
$logger
    ->with('system.usage')
    ->debug('memory used {memory.used} and peak is {memory.peak}');

// log to user.login channel
$logger
    ->with('user.login')
    ->info('user logged in as {user.username}', ['user' => $user]);

// log to default channel
$logger->debug('a test message');

    // bind to 'user.*' channels
    $logger->addHandler('warning', new LogfileHandler('/log/user.log'), 'user.*');

    // bind to 'system.*' channels
    $logger->addHandler('error', new LogfileHandler('/log/system.log'), 'system.*');

    // add user info only in 'user.*' channel
    $logger->addProcessor(new UserProcessor(), 'user.*');
    

    $logger->with('user.login')->info('user {user.username} logged info');
    

    // add user info at first
    $logger->addProcessor(new UserProcessor(), 'user.*', 100);

    // interpolate should be done last (just before executing handlers)
    $logger->addProcessor(new InterpolateProcessor(), '*', -100);
    

    // log to file first
    $logger->addHandler('debug', new LogfileHandler('/log/log.txt'));

    // then log to mail
    $logger->addHandler('debug', new MailHandler('[email protected]'));
    

  public function __invoke(LogEntryInterface $logEntry);
  

  function myHandler(LogEntryInterface $logEntry) {
      // get formatted message
      $formatted = $logEntry->getFormatted();

      // write to my device ...
  }
  

  $logger->addHandler('error', function($log) {
      // write the log to my device
  }, 'user.*');
  

  class MyLogEntry extends LogEntry
  {
      // ...
  }
  

  $entryPrototype = new MyLogEntry('channel','debug', 'message');

  $logger = new Logger('MyApp', $entryPrototype);