Feature/update

src/Array/ArraySingle.php

@@ -439,18 +439,17 @@ public static function maxBy(array $array, callable $callback): mixed
      */
     public static function median(array $array): float|int
     {
-        $values = array_values(
-            array_filter(
-                $array,
-                static fn(mixed $value): bool => is_int($value) || is_float($value) || (is_string($value) && is_numeric($value)),
-            ),
-        );
+        $values = [];
+        foreach ($array as $value) {
+            if (is_int($value) || is_float($value) || (is_string($value) && is_numeric($value))) {
+                $values[] = (float) $value;
+            }
+        }
 
         if ($values === []) {
             return 0;
         }
 
-        $values = array_map(static fn(mixed $value): float => (float) $value, $values);
         sort($values, SORT_NUMERIC);
         $count = count($values);
         $mid = intdiv($count, 2);

src/Config/Concerns/BaseConfigTrait.php

@@ -70,7 +70,7 @@ public function append(string $key, mixed $value): bool
      */
     public function changed(string $snapshot = 'default'): bool
     {
-        if (!array_key_exists($snapshot, $this->snapshots)) {
+        if (!isset($this->snapshots[$snapshot])) {
             return true;
         }
 
@@ -501,7 +501,7 @@ public function replace(array $items): bool
     public function restore(string $name = 'default'): bool
     {
         $this->assertWritable();
-        if (!array_key_exists($name, $this->snapshots)) {
+        if (!isset($this->snapshots[$name])) {
             return false;
         }
 

tests/Feature/ArraySingleTest.php

@@ -44,6 +44,11 @@
     expect(ArraySingle::avg($values))->toBe(4);
 });
 
+it('ignores non-numeric values when calculating median', function () {
+    expect(ArraySingle::median([1, '2', 7.5, 'ignore', null]))->toBe(2.0)
+        ->and(ArraySingle::median(['ignore', null]))->toBe(0);
+});
+
 it('searches an array for a callback condition', function () {
     $data = [1, 2, 3, 4];
     $key = ArraySingle::search($data, fn ($value) => $value === 3);