up: update some array helper methods

Author: inhere

src/Arr.php

@@ -19,4 +19,5 @@
  */
 class Arr extends ArrayHelper
 {
+
 }

src/Arr/ArrayHelper.php

@@ -112,12 +112,12 @@ public static function toIterator(mixed $array): Traversable
     /**
      * array data to object
      *
-     * @param Traversable|array $array
-     * @param string            $class
+     * @param iterable $array
+     * @param string   $class
      *
      * @return mixed
      */
-    public static function toObject(Traversable|array $array, string $class = stdClass::class): mixed
+    public static function toObject(iterable $array, string $class = stdClass::class): mixed
     {
         $object = new $class;
 
@@ -408,6 +408,24 @@ public static function collapse(array $array): array
         return array_merge(...$results);
     }
 
+    /**
+     * like implode() but support any type
+     *
+     * @param array $list
+     * @param string $sep
+     *
+     * @return string
+     */
+    public static function join(array $list, string $sep = ','): string
+    {
+        $strings = [];
+        foreach ($list as $value) {
+            $strings[] = DataHelper::toString($value, true);
+        }
+
+        return implode($sep, $strings);
+    }
+
     /**
      * Cross join the given arrays, returning all possible permutations.
      *
@@ -648,6 +666,20 @@ public static function remove(array &$arr, int|string $key, mixed $default = nul
         return $value;
     }
 
+    /**
+     * @param array $arr
+     * @param ...$keys
+     *
+     * @return array
+     */
+    public static function deleteKeys(array $arr, ...$keys): array
+    {
+        foreach ($keys as $key) {
+            unset($arr[$key]);
+        }
+        return $arr;
+    }
+
     /**
      * Get a value from the array, and remove it.
      *
@@ -862,7 +894,7 @@ public static function toKVString(array $data, string $kvSep = '=', string $line
     {
         $lines = [];
         foreach ($data as $key => $val) {
-            $lines = $key . $kvSep . DataHelper::toString($val);
+            $lines = $key . $kvSep . DataHelper::toString($val, true);
         }
 
         return implode($lineSep, $lines);