chroma-x/php-url-util

<?php

namespace ChromaX\UrlUtil;

/**
 * Class QueryParameter
 *
 * @package ChromaX\UrlUtil
 */
class QueryParameter implements QueryParameterInterface
{

    /**
     * @var string
     */
    private $key;

    /**
     * @var mixed
     */
    private $value;

    /**
     * QueryParameter constructor.
     *
     * @param string $key
     * @param mixed $value
     */
    public function __construct($key, $value)
    {
        $this
            ->setKey($key)
            ->setValue($value);
    }

    /**
     * @return string
     */
    public function getKey()
    {
        return $this->key;
    }

    /**
     * @param string $key
     * @return $this
     */
    public function setKey($key)
    {
        if (!is_string($key)) {
            $argumentType = (is_object($key)) ? get_class($key) : gettype($key);
            throw new \InvalidArgumentException('Expected query parameter names as string; got ' . $argumentType);
        }
        $this->key = $key;
        return $this;
    }

    /**
     * @return mixed
     */
    public function getValue()
    {
        return $this->value;
    }

    /**
     * @return string
     */
    public function getEscapedValue()
    {
        return urlencode((string)$this->value);
    }

    /**
     * @param mixed $value
     * @return $this
     */
    public function setValue($value)
    {
        if (!is_scalar($value)) {
            $argumentType = (is_object($value)) ? get_class($value) : gettype($value);
            throw new \InvalidArgumentException('Expected query parameter value as scalar; got ' . $argumentType);
        }
        $this->value = $value;
        return $this;
    }

}