how to create log file in php?

how to create log file in PHP?

In this post, we will show you how to create log file in PHP, hear for how to create log file in PHP we will give you a demo and an example for implementation.

Here is code for create log file in PHP

$log_time = date('Y-m-d h:i:sa');
$log_msg = 'how to create log file in php?';
 
wh_log('************** Start Log For Day : ' . $log_time . ''**********');
wh_log($log_msg);
wh_log('************** END Log For Day : ' . $log_time . ''**********');

function wh_log($log_msg)
{
	$log_filename = 'log';
	if (!file_exists($log_filename)) 
	{
		// create directory/folder uploads.
		mkdir($log_filename, 0777, true);
	}
	$log_file_data = $log_filename.'/log_' . date('d-M-Y') . '.log';
    file_put_contents($log_file_data, $log_msg . '\n', FILE_APPEND);
}

What is a Log File?

A log file is an event that took place at a certain time and might have metadata that contextualizes it.

Log files are a historical record of everything and anything that happens within a system, including events such as transactions, errors, and intrusions. That data can be transmitted in different ways and can be in structured, semi-structured, and unstructured formats.

Types of Logs File?

Nearly every component in a network generates a different type of data and each component collects that data in its own log. Because of that, many types of logs exist, including:

• Event Log: a high-level log that records information about network traffic and usage, such as login attempts, failed password attempts, and application events.
• Server Log: a text document containing a record of activities related to a specific server in a specific period of time.
• System Log (syslog): a record of operating system events. It includes startup messages, system changes, unexpected shutdowns, errors and warnings, and other important processes. Windows, Linux, and macOS all generate syslogs.
• Authorization Logs and Access Logs: include a list of people or bots accessing certain applications or files.
• Change Logs: include a chronological list of changes made to an application or file.
• Availability Logs: track system performance, uptime, and availability.
• Resource Logs: provide information about connectivity issues and capacity limits.
• Threat Logs: contain information about system, file, or application traffic that matches a predefined security profile within a firewall.

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