/**
* Interpolates a message replacing the context keys with values.
*
* Example:
*
* $message = 'This is a {animal}';
* $context = ['animal' => 'Dog'];
*
* The outcome of the interpolate method will be:
*
* This is a Dog
*
* @param string $message the message
* @param array $context the variables mapping
* @return string the resulting string
*
* @see \Dialog\Message\EngineInterface::interpolate()
*/
public function interpolate($message, array $context)
{
// Cast $message to string since objects with a __toString()
// method can be passed, too
$message = (string) $message;
$placeholdersMapping = [];
if (array_key_exists(static::EXCEPTION_KEY, $context) && $context[static::EXCEPTION_KEY] instanceof \Exception) {
$context[static::EXCEPTION_KEY] = $this->exceptionFormatter->format($context[static::EXCEPTION_KEY]);
}
foreach ($context as $key => $value) {
$placeholdersMapping['{' . $key . '}'] = $value;
}
return strtr($message, $placeholdersMapping);
}
function let(ExceptionStringFormatterInterface $exceptionFormatter)
{
$exceptionFormatter->format(Argument::any())->willReturn('exceptional!');
$this->beConstructedWith($exceptionFormatter);
}
