PHP

mage log magento 2

<?php /* for Magento 2.4 */
  $writer = new end_Log_Writer_Stream(BP . '/var/log/custom.log');
  $logger = new end_Log();
  $logger->addWriter($writer);
  $logger->info('Text Log'); //Text Log
  $logger->info('Array Log'.print_r($myArrayVar, true)); // Array Log
?>
<?php
  $writer = new endLogWriterStream(BP . '/var/log/logfile.log');
  $logger = new endLogLogger();
  $logger->addWriter($writer);
  $logger->info('Simple Text Log'); // Simple Text Log
  $logger->info('Array Log'.print_r($myArrayVar, true)); // Array Log
?>
  

mage log magento 2

<?php /* for Magento 2.4 */
  $writer = new end_Log_Writer_Stream(BP . '/var/log/custom.log');
  $logger = new end_Log();
  $logger->addWriter($writer);
  $logger->info('Text Log'); //Text Log
  $logger->info('Array Log'.print_r($myArrayVar, true)); // Array Log
?>

magento 2 custom log file

$writer = new end_Log_Writer_Stream(BP . '/var/log/custom.log');
$logger = new end_Log();
$logger->addWriter($writer);
$logger->info('text message');

logger magento2

$writer = new endLogWriterStream(BP . '/var/log/test.log');
$logger = new endLogLogger();
$logger->addWriter($writer);
$logger->info('Your text message');

log magento 1

Mage::log('message',null,'logfile.log',true);
Mage::log(print_r($arr, 1), null, 'logfile.log',true);

log magento 1

Mage::log('message',null,'nam.log',true);

mage log equivalent magento 2

MagentoFrameworkAppObjectManager::getInstance()->get(PsrLogLoggerInterface::class)->debug('Your message here');