nabble/ajde

<?php

class Ajde_Core_Array
{
    /**
     * TODO.
     *
     * @param array $array1
     * @param array $array2
     *
     * @return array
     */
    public static function mergeRecursive(array $array1, array $array2)
    {
        $merged = $array1;

        foreach ($array2 as $key => &$value) {
            if (is_array($value) && isset($merged[$key]) && is_array($merged[$key])) {
                $merged[$key] = self::mergeRecursive($merged[$key], $value);
            } else {
                if (is_numeric($key)) {
                    if (!in_array($value, $merged)) {
                        $merged[] = $value;
                    }
                } else {
                    $merged[$key] = $value;
                }
            }
        }

        return $merged;
    }

    /**
     * Get an item from an array using "dot" notation.
     *
     * @param array  $array
     * @param string $key
     * @param mixed  $default
     *
     * @return mixed
     */
    public static function get($array, $key, $default = null)
    {
        if (is_null($key)) {
            return $array;
        }

        if (isset($array[$key])) {
            return $array[$key];
        }

        foreach (explode('.', $key) as $segment) {
            if (!is_array($array) || !array_key_exists($segment, $array)) {
                return $default;
            }

            $array = $array[$segment];
        }

        return $array;
    }

    /**
     * Set an array item to a given value using "dot" notation.
     *
     * If no key is given to the method, the entire array will be replaced.
     *
     * @param array  $array
     * @param string $key
     * @param mixed  $value
     *
     * @return array
     */
    public static function set(&$array, $key, $value)
    {
        if (is_null($key)) {
            return $array = $value;
        }

        $keys = explode('.', $key);

        while (count($keys) > 1) {
            $key = array_shift($keys);

            // If the key doesn't exist at this depth, we will just create an empty array
            // to hold the next value, allowing us to create the arrays to hold final
            // values at the correct depth. Then we'll keep digging into the array.
            if (!isset($array[$key]) || !is_array($array[$key])) {
                $array[$key] = [];
            }

            $array = &$array[$key];
        }

        $array[array_shift($keys)] = $value;

        return $array;
    }
}