更新

server/vendor/overtrue/pinyin/src/Collection.php

@@ -0,0 +1,82 @@
+<?php
+
+namespace Overtrue\Pinyin;
+
+use ArrayAccess;
+use JsonException;
+use JsonSerializable;
+use Stringable;
+
+use function array_map;
+use function implode;
+use function is_array;
+
+class Collection implements ArrayAccess, JsonSerializable, Stringable
+{
+    public function __construct(protected $items = []) {}
+
+    public function join(string $separator = ' '): string
+    {
+        return implode($separator, array_map(
+            fn ($item) => is_array($item) ? '['.implode(', ', $item).']' : $item,
+            $this->items
+        ));
+    }
+
+    public function map(callable $callback): Collection
+    {
+        return new static(array_map($callback, $this->all()));
+    }
+
+    public function all(): array
+    {
+        return $this->items;
+    }
+
+    public function toArray(): array
+    {
+        return $this->all();
+    }
+
+    /**
+     * @throws JsonException
+     */
+    public function toJson(int $options = 0): string
+    {
+        return json_encode($this->all(), $options | JSON_THROW_ON_ERROR);
+    }
+
+    public function __toString(): string
+    {
+        return $this->join();
+    }
+
+    public function offsetExists(mixed $offset): bool
+    {
+        return isset($this->items[$offset]);
+    }
+
+    public function offsetGet(mixed $offset): mixed
+    {
+        return $this->items[$offset] ?? null;
+    }
+
+    public function offsetSet(mixed $offset, mixed $value): void
+    {
+        if ($offset === null) {
+            $this->items[] = $value;
+        } else {
+            $this->items[$offset] = $value;
+        }
+    }
+
+    public function offsetUnset(mixed $offset): void
+    {
+        unset($this->items[$offset]);
+    }
+
+    public function jsonSerialize(): array
+    {
+        return $this->items;
+    }
+}