<?php
/**
 * Abstract class to interact with the WP options API
 *
 * @package RocketLazyloadPlugin
 */

namespace RocketLazyLoadPlugin\Options;

/**
 * Manages options using the WordPress options API.
 *
 * @since 2.0
 * @author Remy Perona
 */
abstract class AbstractOptions
{
    /**
     * Gets the option for the given name. Returns the default value if the value does not exist.
     *
     * @since 2.0
     * @author Remy Perona
     *
     * @param string $name    Name of the option to get.
     * @param mixed  $default Default value to return if the value does not exist.
     *
     * @return mixed
     */
    abstract public function get($name, $default = null);

    /**
     * Sets the value of an option. Update the value if the option for the given name already exists.
     *
     * @since 2.0
     * @author Remy Perona
     * @param string $name Name of the option to set.
     * @param mixed  $value Value to set for the option.
     *
     * @return void
     */
    abstract public function set($name, $value);

    /**
     * Deletes the option with the given name.
     *
     * @since 2.0
     * @author Remy Perona
     *
     * @param string $name Name of the option to delete.
     *
     * @return void
     */
    abstract public function delete($name);

    /**
     * Checks if the option with the given name exists.
     *
     * @since 2.0
     * @author Remy Perona
     *
     * @param string $name Name of the option to check.
     *
     * @return boolean True if the option exists, false otherwise
     */
    public function has($name)
    {
        return null !== $this->get($name);
    }
}