Bit-Wasp / bitcoin-php

src/Serializable.php

<?php

declare(strict_types=1);

namespace BitWasp\Bitcoin;

abstract class Serializable implements SerializableInterface
{
    /**
     * @return string
     */
    public function getHex(): string
    {
        return $this->getBuffer()->getHex();
    }

    /**
     * @return string
     */
    public function getBinary(): string
    {
        return $this->getBuffer()->getBinary();
    }

    /**
     * @return int
     */
    public function getInt()
    {
        return $this->getBuffer()->getInt();

The expression return $this->getBuffer()->getInt() also could return the type string which is incompatible with the documented return type integer.

    }
}