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605 lines
14 KiB
605 lines
14 KiB
<?php
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namespace Yansongda\Supports;
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use ArrayAccess;
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/**
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* Array helper from Illuminate\Support\Arr.
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*/
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class Arr
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{
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/**
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* Determine whether the given value is array accessible.
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*
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* @param mixed $value
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*/
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public static function accessible($value): bool
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{
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return is_array($value) || $value instanceof ArrayAccess;
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}
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/**
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* Add an element to an array using "dot" notation if it doesn't exist.
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*
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* @param mixed $value
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*/
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public static function add(array $array, string $key, $value): array
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{
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if (is_null(static::get($array, $key))) {
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static::set($array, $key, $value);
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}
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return $array;
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}
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/**
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* Build a new array using a callback.
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*/
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public static function build(array $array, callable $callback): array
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{
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$results = [];
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foreach ($array as $key => $value) {
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[$innerKey, $innerValue] = call_user_func($callback, $key, $value);
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$results[$innerKey] = $innerValue;
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}
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return $results;
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}
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/**
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* Divide an array into two arrays. One with keys and the other with values.
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*/
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public static function divide(array $array): array
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{
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return [
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array_keys($array),
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array_values($array),
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];
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}
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/**
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* Flatten a multi-dimensional associative array with dots.
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*/
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public static function dot(array $array, string $prepend = ''): array
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{
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$results = [];
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foreach ($array as $key => $value) {
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if (is_array($value)) {
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$results = array_merge($results, static::dot($value, $prepend.$key.'.'));
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} else {
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$results[$prepend.$key] = $value;
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}
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}
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return $results;
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}
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/**
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* Get all of the given array except for a specified array of items.
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*
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* @param array|string $keys
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*/
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public static function except(array $array, $keys): array
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{
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return array_diff_key($array, array_flip((array) $keys));
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}
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/**
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* access array.
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*
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* if not array access, return original.
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*
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* @author yansongda <me@yansongda.cn>
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*
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* @param mixed $data
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*
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* @return mixed
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*/
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public static function access($data)
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{
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if (!self::accessible($data) &&
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!(is_object($data) && method_exists($data, 'toArray'))) {
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return $data;
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}
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return is_object($data) ? $data->toArray() : $data;
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}
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/**
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* Determine if the given key exists in the provided array.
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*
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* @param \ArrayAccess|array $array
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* @param string|int $key
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*
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* @return bool
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*/
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public static function exists($array, $key)
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{
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$array = self::access($array);
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if ($array instanceof ArrayAccess) {
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return $array->offsetExists($key);
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}
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return array_key_exists($key, $array);
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}
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/**
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* Check if an item or items exist in an array using "dot" notation.
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*
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* @param \ArrayAccess|array $array
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* @param string|array $keys
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*
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* @return bool
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*/
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public static function has($array, $keys)
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{
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$array = self::access($array);
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$keys = (array) $keys;
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if (!$array || $keys === []) {
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return false;
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}
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foreach ($keys as $key) {
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$subKeyArray = $array;
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if (static::exists($array, $key)) {
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continue;
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}
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foreach (explode('.', $key) as $segment) {
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if (static::accessible($subKeyArray) && static::exists($subKeyArray, $segment)) {
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$subKeyArray = $subKeyArray[$segment];
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} else {
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return false;
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}
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}
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}
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return true;
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}
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/**
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* Determine if any of the keys exist in an array using "dot" notation.
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*
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* @param \ArrayAccess|array $array
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* @param string|array $keys
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*
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* @return bool
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*/
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public static function hasAny($array, $keys)
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{
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$array = self::access($array);
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if (is_null($keys)) {
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return false;
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}
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$keys = (array) $keys;
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if (!$array) {
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return false;
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}
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if ($keys === []) {
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return false;
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}
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foreach ($keys as $key) {
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if (static::has($array, $key)) {
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return true;
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}
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}
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return false;
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}
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/**
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* Fetch a flattened array of a nested array element.
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*/
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public static function fetch(array $array, string $key): array
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{
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$results = [];
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foreach (explode('.', $key) as $segment) {
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$results = [];
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foreach ($array as $value) {
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$value = (array) $value;
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$results[] = $value[$segment];
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}
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$array = array_values($results);
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}
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return array_values($results);
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}
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/**
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* Return the first element in an array passing a given truth test.
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*
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* @param mixed $default
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*
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* @return mixed
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*/
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public static function first(array $array, callable $callback, $default = null)
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{
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foreach ($array as $key => $value) {
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if (call_user_func($callback, $key, $value)) {
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return $value;
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}
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}
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return $default;
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}
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/**
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* Return the last element in an array passing a given truth test.
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*
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* @param mixed $default
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*
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* @return mixed
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*/
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public static function last(array $array, callable $callback, $default = null)
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{
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return static::first(array_reverse($array), $callback, $default);
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}
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/**
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* Flatten a multi-dimensional array into a single level.
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*/
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public static function flatten(array $array): array
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{
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$return = [];
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array_walk_recursive(
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$array,
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function ($x) use (&$return) {
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$return[] = $x;
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}
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);
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return $return;
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}
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/**
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* Remove one or many array items from a given array using "dot" notation.
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*
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* @param array $array
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* @param array|string $keys
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*/
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public static function forget(&$array, $keys)
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{
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$original = &$array;
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$keys = (array) $keys;
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if (0 === count($keys)) {
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return;
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}
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foreach ($keys as $key) {
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// if the exact key exists in the top-level, remove it
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if (static::exists($array, $key)) {
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unset($array[$key]);
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continue;
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}
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$parts = explode('.', $key);
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// clean up before each pass
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$array = &$original;
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while (count($parts) > 1) {
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$part = array_shift($parts);
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if (isset($array[$part]) && is_array($array[$part])) {
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$array = &$array[$part];
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} else {
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continue 2;
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}
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}
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unset($array[array_shift($parts)]);
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}
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}
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/**
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* Get an item from an array using "dot" notation.
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*
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* @param mixed $default
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*
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* @return mixed
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*/
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public static function get(array $array, string $key, $default = null)
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{
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if (is_null($key)) {
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return $array;
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}
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if (isset($array[$key])) {
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return $array[$key];
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}
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foreach (explode('.', $key) as $segment) {
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if (!is_array($array) || !array_key_exists($segment, $array)) {
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return $default;
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}
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$array = $array[$segment];
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}
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return $array;
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}
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/**
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* Get a subset of the items from the given array.
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*
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* @param array|string $keys
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*/
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public static function only(array $array, $keys): array
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{
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return array_intersect_key($array, array_flip((array) $keys));
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}
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/**
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* Pluck an array of values from an array.
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*
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* @param string $key
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*/
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public static function pluck(array $array, string $value, string $key = null): array
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{
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$results = [];
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foreach ($array as $item) {
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$itemValue = is_object($item) ? $item->{$value} : $item[$value];
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// If the key is "null", we will just append the value to the array and keep
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// looping. Otherwise we will key the array using the value of the key we
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// received from the developer. Then we'll return the final array form.
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if (is_null($key)) {
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$results[] = $itemValue;
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} else {
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$itemKey = is_object($item) ? $item->{$key} : $item[$key];
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$results[$itemKey] = $itemValue;
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}
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}
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return $results;
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}
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/**
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* Push an item onto the beginning of an array.
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*
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* @param mixed $value
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* @param mixed $key
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*
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* @return array
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*/
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public static function prepend(array $array, $value, $key = null)
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{
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if (is_null($key)) {
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array_unshift($array, $value);
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} else {
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$array = [$key => $value] + $array;
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}
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return $array;
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}
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/**
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* Get a value from the array, and remove it.
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*
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* @param mixed $default
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*
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* @return mixed
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*/
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public static function pull(array &$array, string $key, $default = null)
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{
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$value = static::get($array, $key, $default);
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static::forget($array, $key);
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return $value;
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}
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/**
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* Get one or a specified number of random values from an array.
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*
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* @param array $array
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* @param int|null $number
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*
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* @return mixed
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*
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* @throws \InvalidArgumentException
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*/
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public static function random(array $array, $number = null)
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{
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$requested = is_null($number) ? 1 : $number;
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$count = count($array);
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$number = $requested > $count ? $count : $requested;
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if (is_null($number)) {
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return $array[array_rand($array)];
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}
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if (0 === (int) $number) {
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return [];
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}
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$keys = array_rand($array, $number);
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$results = [];
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foreach ((array) $keys as $key) {
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$results[] = $array[$key];
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}
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return $results;
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}
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/**
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* Set an array item to a given value using "dot" notation.
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*
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* If no key is given to the method, the entire array will be replaced.
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*
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* @param mixed $value
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*/
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public static function set(array &$array, string $key, $value): array
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{
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if (is_null($key)) {
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return $array = $value;
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}
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$keys = explode('.', $key);
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while (count($keys) > 1) {
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$key = array_shift($keys);
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// If the key doesn't exist at this depth, we will just create an empty array
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// to hold the next value, allowing us to create the arrays to hold final
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// values at the correct depth. Then we'll keep digging into the array.
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if (!isset($array[$key]) || !is_array($array[$key])) {
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$array[$key] = [];
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}
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$array = &$array[$key];
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}
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$array[array_shift($keys)] = $value;
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return $array;
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}
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/**
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* Sort the array using the given Closure.
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*/
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public static function sort(array $array, callable $callback): array
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{
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$results = [];
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foreach ($array as $key => $value) {
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$results[$key] = $callback($value);
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}
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return $results;
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}
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/**
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* Shuffle the given array and return the result.
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*
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* @param array $array
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* @param int|null $seed
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*
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* @return array
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*/
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public static function shuffle(array $array, $seed = null): array
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{
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if (is_null($seed)) {
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shuffle($array);
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} else {
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mt_srand($seed);
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shuffle($array);
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mt_srand();
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}
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return $array;
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}
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/**
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* Convert the array into a query string.
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*/
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public static function query(array $array): string
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{
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return http_build_query($array, null, '&', PHP_QUERY_RFC3986);
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}
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/**
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* Filter the array using the given callback.
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*/
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public static function where(array $array, ?callable $callback = null): array
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{
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return array_filter($array, $callback ?? function ($value) use ($callback) {
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if (static::accessible($value)) {
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$value = static::where($value, $callback);
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}
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if (is_array($value) && 0 === count($value)) {
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$value = null;
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}
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return '' !== $value && !is_null($value);
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}, ARRAY_FILTER_USE_BOTH);
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}
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/**
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* Convert encoding.
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*
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* @author yansongda <me@yansongda.cn>
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*
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* @param string $from_encoding
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*/
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public static function encoding(array $array, string $to_encoding, $from_encoding = 'gb2312'): array
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{
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$encoded = [];
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foreach ($array as $key => $value) {
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$encoded[$key] = is_array($value) ? self::encoding($value, $to_encoding, $from_encoding) :
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mb_convert_encoding($value, $to_encoding, $from_encoding);
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}
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return $encoded;
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}
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/**
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* camelCaseKey.
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*
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* @author yansongda <me@yansongda.cn>
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*
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* @param mixed $data
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*
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* @return mixed
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*/
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public static function camelCaseKey($data)
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{
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if (!self::accessible($data) &&
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!(is_object($data) && method_exists($data, 'toArray'))) {
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return $data;
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}
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$result = [];
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$data = self::access($data);
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foreach ($data as $key => $value) {
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$result[is_string($key) ? Str::camel($key) : $key] = self::camelCaseKey($value);
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}
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return $result;
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}
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/**
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* snakeCaseKey.
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*
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* @author yansongda <me@yansongda.cn>
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*
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* @param mixed $data
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*
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* @return mixed
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*/
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public static function snakeCaseKey($data)
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{
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if (!self::accessible($data) &&
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!(is_object($data) && method_exists($data, 'toArray'))) {
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return $data;
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}
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$data = self::access($data);
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$result = [];
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foreach ($data as $key => $value) {
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$result[is_string($key) ? Str::snake($key) : $key] = self::snakeCaseKey($value);
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}
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return $result;
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}
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}
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