TelegramErrorLogger.php

<?php

/**
 * Telegram Error Logger Class.
 *
 * @author shakibonline <shakiba_9@yahoo.com>
 */
class TelegramErrorLogger
{
	private static $self;

	/// Log request and response parameters from/to Telegram API

	/**
	 * Prints the list of parameters from/to Telegram's API endpoint
	 * \param $result the Telegram's response as array
	 * \param $content the request parameters as array.
	 */
	public static function log($result, $content, $use_rt = true)
	{
		try {
			if ($result['ok'] === false) {
				self::$self = new self();
				$e = new \Exception();
				$error = PHP_EOL;
				$error .= '==========[Response]==========';
				$error .= "\n";
				foreach ($result as $key => $value) {
					if ($value == false) {
						$error .= $key.":\t\t\tFalse\n";
					} else {
						$error .= $key.":\t\t".$value."\n";
					}
				}
				$array = '=========[Sent Data]==========';
				$array .= "\n";
				if ($use_rt == true) {
					foreach ($content as $item) {
						$array .= self::$self->rt($item).PHP_EOL.PHP_EOL;
					}
				} else {
					foreach ($content as $key => $value) {
						$array .= $key.":\t\t".$value."\n";
					}
				}
				$backtrace = '============[Trace]===========';
				$backtrace .= "\n";
				$backtrace .= $e->getTraceAsString();
				self::$self->_log_to_file($error.$array.$backtrace);
			}
		} catch (\Exception $e) {
			echo $e->getMessage();
		}
	}

	/// Write a string in the log file adding the current server time

	/**
	 * Write a string in the log file TelegramErrorLogger.txt adding the current server time
	 * \param $error_text the text to append in the log.
	 */
	private function _log_to_file($error_text)
	{
		try {
			$dir_name = 'logs';
			if (!is_dir($dir_name)) {
				mkdir($dir_name);
			}
			$fileName = $dir_name.'/'.__CLASS__.'-'.date('Y-m-d').'.txt';
			$myFile = fopen($fileName, 'a+');
			$date = '============[Date]============';
			$date .= "\n";
			$date .= '[ '.date('Y-m-d H:i:s  e').' ] ';
			fwrite($myFile, $date.$error_text."\n\n");
			fclose($myFile);
		} catch (\Exception $e) {
			echo $e->getMessage();
		}
	}

	private function rt($array, $title = null, $head = true)
	{
		$ref = 'ref';
		$text = '';
		if ($head) {
			$text = "[$ref]";
			$text .= "\n";
		}
		foreach ($array as $key => $value) {
			if ($value instanceof CURLFile) {
				$text .= $ref.'.'.$key.'= File'.PHP_EOL;
			} elseif (is_array($value)) {
				if ($title != null) {
					$key = $title.'.'.$key;
				}
				$text .= self::rt($value, $key, false);
			} else {
				if (is_bool($value)) {
					$value = ($value) ? 'true' : 'false';
				}
				if ($title != '') {
					$text .= $ref.'.'.$title.'.'.$key.'= '.$value.PHP_EOL;
				} else {
					$text .= $ref.'.'.$key.'= '.$value.PHP_EOL;
				}
			}
		}

		return $text;
	}
}