BcryptHasher.php

<?php

/**
 * Hash the given value.
 *
 * @param  string  $value
 * @param  array   $options
 * @return string
 *
 * @throws \RuntimeException
 */
public function make($value, array $options = [])
{
    $cost = isset($options['rounds']) ? $options['rounds'] : $this->rounds;

    $hash = password_hash($value, PASSWORD_BCRYPT, ['cost' => $cost]);

    if ($hash === false) {
        throw new RuntimeException('Bcrypt hashing not supported.');
    }

    return $hash;
}