\ticky\helperarr

<?php

namespace ticky\helper;

class arr {

    /**
     * 使用”.”号将将多维数组转化为一维数组
     * @param $array
     * @param string $prepend
     * @return array
     */
    public static function dot($array, $prepend = '') {
        $results = [];

        foreach ($array as $key => $value) {
            if (is_array($value) && !empty($value)) {
                $results = array_merge($results, static::dot($value, $prepend . $key . '.'));
            } else {
                $results[$prepend . $key] = $value;
            }
        }

        return $results;
    }

    /**
     * 使用”.”号从嵌套数组中移除给定键值对
     * @param $array
     * @param $keys
     */
    public static function forget(&$array, $keys) {
        $original = &$array;

        $keys = (array) $keys;

        if (count($keys) === 0) {
            return;
        }

        foreach ($keys as $key) {
            // if the exact key exists in the top-level, remove it
            if (static::exists($array, $key)) {
                unset($array[$key]);

                continue;
            }

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

            // clean up before each pass
            $array = &$original;

            while (count($parts) > 1) {
                $part = array_shift($parts);

                if (isset($array[$part]) && is_array($array[$part])) {
                    $array = &$array[$part];
                } else {
                    continue 2;
                }
            }

            unset($array[array_shift($parts)]);
        }
    }

    public static function exists($array, $key) {
        if ($array instanceof \ArrayAccess) {
            return $array->offsetExists($key);
        }

        return array_key_exists($key, $array);
    }

}