Class Kohana_Log_File

Kohana_Log_File

extends Log_Writer
extends Kohana_Log_Writer

File log writer. Writes out messages and stores them in a YYYY/MM directory.

package
Kohana
category
Logging
author
Kohana Team
copyright
(c) Kohana Team
license
https://koseven.ga/LICENSE.md


Properties

public static int $strace_level

Level to use for stack traces

integer 6

public static string $timestamp

timestamp format for log entries.

Defaults to Date::$timestamp_format

NULL

public static string $timezone

timezone for log entries

Defaults to Date::$timezone, which defaults to date_default_timezone_get()

NULL

protected string $_directory

Directory to place log files in

Default value:
NULL

protected array $_log_levels

Numeric log level to string lookup table.

Default value:
array(4) (
    1 => string(8) "CRITICAL"
    4 => string(5) "ERROR"
    5 => string(7) "WARNING"
    6 => string(5) "DEBUG"
)

Methods

public __construct(string $directory ) (defined in Kohana_Log_File)

Creates a new file logger. Checks that the directory exists and is writable.

$writer = new Log_File($directory);

Parameters

  • string $directory required - Log directory

Return Values

  • void

Source Code

public function __construct($directory)
{
	if ( ! is_dir($directory) OR ! is_writable($directory))
	{
		throw new Kohana_Exception('Directory :dir must be writable',
			[':dir' => Debug::path($directory)]);
	}

	// Determine the directory path
	$this->_directory = realpath($directory).DIRECTORY_SEPARATOR;
}

public write(array $messages ) (defined in Kohana_Log_File)

Writes each of the messages into the log file. The log file will be appended to the YYYY/MM/DD.log.php file, where YYYY is the current year, MM is the current month, and DD is the current day.

$writer->write($messages);

Parameters

  • array $messages required - $messages

Return Values

  • void

Source Code

public function write(array $messages)
{
	// Set the yearly directory name
	$directory = $this->_directory.date('Y');

	if ( ! is_dir($directory))
	{
		// Create the yearly directory
		mkdir($directory, 02777);

		// Set permissions (must be manually set to fix umask issues)
		chmod($directory, 02777);
	}

	// Add the month to the directory
	$directory .= DIRECTORY_SEPARATOR.date('m');

	if ( ! is_dir($directory))
	{
		// Create the monthly directory
		mkdir($directory, 02777);

		// Set permissions (must be manually set to fix umask issues)
		chmod($directory, 02777);
	}

	// Set the name of the log file
	$filename = $directory.DIRECTORY_SEPARATOR.date('d').EXT;

	if ( ! file_exists($filename))
	{
		// Create the log file
		file_put_contents($filename, NULL);

		// Allow anyone to write to log files
		chmod($filename, 0666);
	}

	foreach ($messages as $message)
	{
		// Write each message into the log file
		file_put_contents($filename, PHP_EOL.$this->format_message($message), FILE_APPEND);
	}
}

final public __toString() (defined in Kohana_Log_Writer)

Allows the writer to have a unique key when stored.

echo $writer;

Return Values

  • string

Source Code

final public function __toString()
{
	return spl_object_hash($this);
}

public format_message(array $message [, string $format = string(33) "time --- level: body in file:line" ] ) (defined in Kohana_Log_Writer)

Formats a log entry.

Parameters

  • array $message required - $message
  • string $format = string(33) "time --- level: body in file:line" - $format

Return Values

  • string

Source Code

public function format_message(array $message, $format = "time --- level: body in file:line")
{
	$message['time'] = Date::formatted_time('@'.$message['time'], Log_Writer::$timestamp, Log_Writer::$timezone, TRUE);
	$message['level'] = $this->_log_levels[$message['level']];

	$string = strtr($format, array_filter($message, 'is_scalar'));

	if (isset($message['additional']['exception']))
	{
		// Re-use as much as possible, just resetting the body to the trace
		$message['body'] = $message['additional']['exception']->getTraceAsString();
		$message['level'] = $this->_log_levels[Log_Writer::$strace_level];

		$string .= PHP_EOL.strtr($format, array_filter($message, 'is_scalar'));
	}

	return $string;
}

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