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<?php
/**
* Simple echo logger (only available when running in dev environment)
*/
namespace WebSocket;
class EchoLog implements \Psr\Log\LoggerInterface
{
use \Psr\Log\LoggerTrait;
public function log($level, $message, array $context = [])
{
$message = $this->interpolate($message, $context);
$context_string = empty($context) ? '' : json_encode($context);
echo str_pad($level, 8) . " | {$message} {$context_string}\n";
}
public function interpolate($message, array $context = [])
{
// Build a replacement array with braces around the context keys
$replace = [];
foreach ($context as $key => $val) {
// Check that the value can be cast to string
if (!is_array($val) && (!is_object($val) || method_exists($val, '__toString'))) {
$replace['{' . $key . '}'] = $val;
}
}
// Interpolate replacement values into the message and return
return strtr($message, $replace);
}
}
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