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<?php
if (!defined('ABSPATH')) die('No direct access allowed');
if (class_exists('Updraft_File_Logger')) return;
/**
* Class Updraft_PHP_Logger
*/
class Updraft_File_Logger extends Updraft_Abstract_Logger {
/**
* Path to the log file
*
* @var String
*/
private $logfile;
/**
* Updraft_PHP_Logger constructor
*/
public function __construct($logfile) {
$this->logfile = $logfile;
}
/**
* Returns logger description
*
* @return string|void
*/
public function get_description() {
return __('Log events into a log file', 'wp-optimize');
}
/**
* Emergency message
*
* @param string $message
* @param array $context
* @return null|void
*/
public function emergency($message, array $context = array()) {
$this->log(Updraft_Log_Levels::EMERGENCY, $message, $context);
}
/**
* Alert message
*
* @param string $message
* @param array $context
* @return null|void
*/
public function alert($message, array $context = array()) {
$this->log(Updraft_Log_Levels::ALERT, $message, $context);
}
/**
* Critical message
*
* @param string $message
* @param array $context
* @return null|void
*/
public function critical($message, array $context = array()) {
$this->log(Updraft_Log_Levels::CRITICAL, $message, $context);
}
/**
* Error message
*
* @param string $message
* @param array $context
* @return null|void
*/
public function error($message, array $context = array()) {
$this->log(Updraft_Log_Levels::ERROR, $message, $context);
}
/**
* Warning message
*
* @param string $message
* @param array $context
* @return null|void
*/
public function warning($message, array $context = array()) {
$this->log(Updraft_Log_Levels::WARNING, $message, $context);
}
/**
* Notice message
*
* @param string $message
* @param array $context
* @return null|void
*/
public function notice($message, array $context = array()) {
$this->log(Updraft_Log_Levels::NOTICE, $message, $context);
}
/**
* Info message
*
* @param string $message
* @param array $context
* @return null|void
*/
public function info($message, array $context = array()) {
$this->log(Updraft_Log_Levels::INFO, $message, $context);
}
/**
* Debug message
*
* @param string $message
* @param array $context
* @return null|void
*/
public function debug($message, array $context = array()) {
$this->log(Updraft_Log_Levels::DEBUG, $message, $context);
}
/**
* Log message with any level
*
* @param mixed $level
* @param string $message
* @param array $context
* @return null|void
*/
public function log($level, $message, array $context = array()) {
if (!$this->is_enabled()) return false;
$message = sprintf("[%s : %s] - %s \n", date("Y-m-d H:i:s"), Updraft_Log_Levels::to_text($level), $this->interpolate($message, $context));
if (false == file_put_contents($this->logfile, $message, FILE_APPEND)) {
error_log($message);
}
}
/**
* Delete logs older than specified date
*
* @param string $how_old
* @return boolean Success or failure
*/
public function prune_logs($how_old = "5 days ago") {
if (strtotime($how_old)) {
$how_old = "5 days ago";
}
// phpcs:disable
// We ignore a few lines here to avoid warnings on file operations
// WP.VIP does not like us writing directly to the filesystem
$logfile_handle = fopen($this->logfile, "r");
$temp_file = fopen(preg_replace("/\.log$/", "-temp.log", $this->logfile), "a");
// Stream is the preferred way because of potentially large file sizes
while ($line = stream_get_line($logfile_handle, 1024 * 1024, "\n")) {
$entry_time = strtotime(strstr($line, " : ", true));
if ($entry_time > $how_old) {
fwrite($temp_file, $line."\n");
}
}
fclose($logfile_handle);
fclose($temp_file);
return rename(preg_replace("/\.log$/", "-temp.log", $this->logfile), $this->logfile);
// phpcs:enable
}
}
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