Merge pull request #58 from davidcole1340/php-81-support

Fix PHP 8.1 deprecations

Author: c9s

src/Option.php

@@ -123,8 +123,10 @@ protected function initFromSpecString($specString)
         $this->short = $short;
         $this->long = $long;
 
-        // option is required.
-        if (strpos($attributes, ':') !== false) {
+        if ($attributes === null) {
+            $this->flag();
+        } else if (strpos($attributes, ':') !== false) {
+            // option is required.
             $this->required();
         } else if (strpos($attributes, '+') !== false) {
             // option with multiple value

src/OptionCollection.php

@@ -195,11 +195,13 @@ public function keys()
         return array_merge(array_keys($this->longOptions), array_keys($this->shortOptions));
     }
 
+    #[\ReturnTypeWillChange]
     public function count()
     {
         return count($this->data);
     }
 
+    #[\ReturnTypeWillChange]
     public function getIterator()
     {
         return new ArrayIterator($this->data);

src/OptionResult.php

@@ -38,11 +38,13 @@ class OptionResult
     /* arguments */
     public $arguments = array();
 
+    #[\ReturnTypeWillChange]
     public function getIterator()
     {
         return new ArrayIterator($this->keys);
     }
 
+    #[\ReturnTypeWillChange]
     public function count()
     {
         return count($this->keys);
@@ -106,21 +108,25 @@ public function getArguments()
         return array_map(function ($e) { return $e->__toString(); }, $this->arguments);
     }
 
+    #[\ReturnTypeWillChange]
     public function offsetSet($name, $value)
     {
         $this->keys[ $name ] = $value;
     }
 
+    #[\ReturnTypeWillChange]
     public function offsetExists($name)
     {
         return isset($this->keys[ $name ]);
     }
 
+    #[\ReturnTypeWillChange]
     public function offsetGet($name)
     {
         return $this->keys[ $name ];
     }
 
+    #[\ReturnTypeWillChange]
     public function offsetUnset($name)
     {
         unset($this->keys[$name]);