Viewing file:  HtmlFormatter.php (4.41 KB) -rw-r--r--
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<?php declare(strict_types=1);
/*
* This file is part of the Monolog package.
*
* (c) Jordi Boggiano <j.boggiano@seld.be>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Monolog\Formatter;
use Monolog\Logger;
use Monolog\Utils;
/**
* Formats incoming records into an HTML table
*
* This is especially useful for html email logging
*
* @author Tiago Brito <tlfbrito@gmail.com>
*/
class HtmlFormatter extends NormalizerFormatter
{
/**
* Translates Monolog log levels to html color priorities.
*
* @var array<int, string>
*/
protected $logLevels = [
Logger::DEBUG => '#CCCCCC',
Logger::INFO => '#28A745',
Logger::NOTICE => '#17A2B8',
Logger::WARNING => '#FFC107',
Logger::ERROR => '#FD7E14',
Logger::CRITICAL => '#DC3545',
Logger::ALERT => '#821722',
Logger::EMERGENCY => '#000000',
];
/**
* @param string|null $dateFormat The format of the timestamp: one supported by DateTime::format
*/
public function __construct(?string $dateFormat = null)
{
parent::__construct($dateFormat);
}
/**
* Creates an HTML table row
*
* @param string $th Row header content
* @param string $td Row standard cell content
* @param bool $escapeTd false if td content must not be html escaped
*/
protected function addRow(string $th, string $td = ' ', bool $escapeTd = true): string
{
$th = htmlspecialchars($th, ENT_NOQUOTES, 'UTF-8');
if ($escapeTd) {
$td = '<pre>'.htmlspecialchars($td, ENT_NOQUOTES, 'UTF-8').'</pre>';
}
return "<tr style=\"padding: 4px;text-align: left;\">\n<th style=\"vertical-align: top;background: #ccc;color: #000\" width=\"100\">$th:</th>\n<td style=\"padding: 4px;text-align: left;vertical-align: top;background: #eee;color: #000\">".$td."</td>\n</tr>";
}
/**
* Create a HTML h1 tag
*
* @param string $title Text to be in the h1
* @param int $level Error level
* @return string
*/
protected function addTitle(string $title, int $level): string
{
$title = htmlspecialchars($title, ENT_NOQUOTES, 'UTF-8');
return '<h1 style="background: '.$this->logLevels[$level].';color: #ffffff;padding: 5px;" class="monolog-output">'.$title.'</h1>';
}
/**
* Formats a log record.
*
* @return string The formatted record
*/
public function format(array $record): string
{
$output = $this->addTitle($record['level_name'], $record['level']);
$output .= '<table cellspacing="1" width="100%" class="monolog-output">';
$output .= $this->addRow('Message', (string) $record['message']);
$output .= $this->addRow('Time', $this->formatDate($record['datetime']));
$output .= $this->addRow('Channel', $record['channel']);
if ($record['context']) {
$embeddedTable = '<table cellspacing="1" width="100%">';
foreach ($record['context'] as $key => $value) {
$embeddedTable .= $this->addRow((string) $key, $this->convertToString($value));
}
$embeddedTable .= '</table>';
$output .= $this->addRow('Context', $embeddedTable, false);
}
if ($record['extra']) {
$embeddedTable = '<table cellspacing="1" width="100%">';
foreach ($record['extra'] as $key => $value) {
$embeddedTable .= $this->addRow((string) $key, $this->convertToString($value));
}
$embeddedTable .= '</table>';
$output .= $this->addRow('Extra', $embeddedTable, false);
}
return $output.'</table>';
}
/**
* Formats a set of log records.
*
* @return string The formatted set of records
*/
public function formatBatch(array $records): string
{
$message = '';
foreach ($records as $record) {
$message .= $this->format($record);
}
return $message;
}
/**
* @param mixed $data
*/
protected function convertToString($data): string
{
if (null === $data || is_scalar($data)) {
return (string) $data;
}
$data = $this->normalize($data);
return Utils::jsonEncode($data, JSON_PRETTY_PRINT | Utils::DEFAULT_JSON_FLAGS, true);
}
}
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