From 32ba2119009e0174daffdc0654568076cfbe5ca5 Mon Sep 17 00:00:00 2001
From: Marcos Raudkett <info@marcosraudkett.com>
Date: Tue, 11 Jul 2023 23:46:30 +0300
Subject: [PATCH] Fix PHP 8+ deprecation warnings & errors.

---
 src/hQuery/Element.php | 10 +++++-----
 src/hQuery/Node.php    | 45 +++++++++++++++++++++++++++++++-----------
 2 files changed, 38 insertions(+), 17 deletions(-)

diff --git a/src/hQuery/Element.php b/src/hQuery/Element.php
index 49e20d2..6e4a1e4 100644
--- a/src/hQuery/Element.php
+++ b/src/hQuery/Element.php
@@ -108,7 +108,7 @@ public function __get($name)
      * @param int|string $offset
      * @param mixed      $value
      */
-    public function offsetSet($offset, $value)
+    public function offsetSet($offset, $value): void
     {
         if (is_null($offset)) {
             // $this->_data[] = $value; // ???
@@ -124,7 +124,7 @@ public function offsetSet($offset, $value)
     /**
      * @param int|string $offset
      */
-    public function offsetGet($offset)
+    public function offsetGet($offset): mixed
     {
         return is_int($offset)
             ? $this->get($offset)    // an element from collection
@@ -136,7 +136,7 @@ public function offsetGet($offset)
      * @param  int|string $offset
      * @return boolean
      */
-    public function offsetExists($offset)
+    public function offsetExists($offset): bool
     {
         if (is_int($offset)) {
             return 0 <= $offset && $offset < count($this->ids);
@@ -147,7 +147,7 @@ public function offsetExists($offset)
     /**
      * @param int|string $offset
      */
-    public function offsetUnset($offset)
+    public function offsetUnset($offset): void
     {
         if (is_int($offset)) {
             $i = array_slice($this->ids, $offset, 1, true);
@@ -166,7 +166,7 @@ public function offsetUnset($offset)
      *
      * @return hQuery_Element
      */
-    public function current()
+    public function current(): mixed
     {
         $k = key($this->ids);
         if (null === $k) {
diff --git a/src/hQuery/Node.php b/src/hQuery/Node.php
index 5a982fa..27b7e8a 100644
--- a/src/hQuery/Node.php
+++ b/src/hQuery/Node.php
@@ -1136,15 +1136,23 @@ public function __unset($name)
     }
 
     // ------------------------------------------------------------------------
-    // Countable:
-    public function count()
+    /**
+     * Countable:
+     * 
+     * {@inheritdoc}
+     */
+    public function count(): int
     {
         return isset($this->ids) ? count($this->ids) : 0;
     }
 
     // ------------------------------------------------------------------------
-    // Iterable:
-    public function current()
+    /**
+     * Iterable:
+     * 
+     * {@inheritdoc}
+     */
+    public function current(): mixed
     {
         $k = key($this->ids);
         if (null === $k) {
@@ -1154,33 +1162,46 @@ public function current()
         return array($k => $this->ids[$k]);
     }
 
-    public function valid()
+    /**
+     * {@inheritdoc}
+     */
+    public function valid(): bool
     {
         return current($this->ids) !== false;
     }
 
-    public function key()
+    /**
+     * {@inheritdoc}
+     */
+    public function key(): mixed
     {
         return key($this->ids);
     }
 
-    public function next()
+    /**
+     * {@inheritdoc}
+     */
+    public function next(): void
     {
-        return next($this->ids) !== false ? $this->current() : false;
+        if (is_array($this->ids) && !empty($this->ids)) {
+            next($this->ids);
+        }
     }
 
-    public function prev()
+    /**
+     * {@inheritdoc}
+     */
+    public function prev(): mixed
     {
         return prev($this->ids) !== false ? $this->current() : false;
     }
 
     /**
-     * @return array
+     * {@inheritdoc}
      */
-    public function rewind()
+    public function rewind(): void
     {
         reset($this->ids);
-        return $this->current();
     }
 
 // - Helpers ------------------------------------------------