protocolbuffers#9293 - fix Missing function's return type declaration…

… (incompatible return type php 8.1)

php/src/Google/Protobuf/Internal/MapField.php

@@ -134,7 +134,7 @@ public function getLegacyValueClass()
  * @throws \ErrorException Invalid type for index.
  * @throws \ErrorException Non-existing index.
  */
- public function offsetGet($key)
+ public function offsetGet($key): object
  {
  return $this->container[$key];
  }
@@ -151,7 +151,7 @@ public function offsetGet($key)
  * @throws \ErrorException Invalid type for value.
  * @throws \ErrorException Non-existing key.
  */
- public function offsetSet($key, $value)
+ public function offsetSet($key, $value): void
  {
  $this->checkKey($this->key_type, $key);
 
@@ -209,7 +209,7 @@ public function offsetSet($key, $value)
  * @return void
  * @throws \ErrorException Invalid type for key.
  */
- public function offsetUnset($key)
+ public function offsetUnset($key): void
  {
  $this->checkKey($this->key_type, $key);
  unset($this->container[$key]);
@@ -224,7 +224,7 @@ public function offsetUnset($key)
  * @return bool True if the element at the given key exists.
  * @throws \ErrorException Invalid type for key.
  */
- public function offsetExists($key)
+ public function offsetExists($key): bool
  {
  $this->checkKey($this->key_type, $key);
  return isset($this->container[$key]);
@@ -233,7 +233,7 @@ public function offsetExists($key)
  /**
  * @ignore
  */
- public function getIterator()
+ public function getIterator(): MapFieldIter
  {
  return new MapFieldIter($this->container, $this->key_type);
  }
@@ -245,7 +245,7 @@ public function getIterator()
  *
  * @return integer The number of stored elements.
  */
- public function count()
+ public function count(): int
  {
  return count($this->container);
  }

php/src/Google/Protobuf/Internal/MapFieldIter.php

@@ -68,17 +68,17 @@ public function __construct($container, $key_type)
  *
  * @return void
  */
- public function rewind()
+ public function rewind(): void
  {
- return reset($this->container);
+ reset($this->container);
  }
 
  /**
  * Return the element at the current position.
  *
  * @return object The element at the current position.
  */
- public function current()
+ public function current(): object
  {
  return current($this->container);
  }
@@ -88,7 +88,7 @@ public function current()
  *
  * @return object The current key.
  */
- public function key()
+ public function key(): object
  {
  $key = key($this->container);
  switch ($this->key_type) {
@@ -117,17 +117,17 @@ public function key()
  *
  * @return void
  */
- public function next()
+ public function next(): void
  {
- return next($this->container);
+ next($this->container);
  }
 
  /**
  * Check whether there are more elements to iterate.
  *
  * @return bool True if there are more elements to iterate.
  */
- public function valid()
+ public function valid(): bool
  {
  return key($this->container) !== null;
  }

php/src/Google/Protobuf/Internal/RepeatedField.php

@@ -121,7 +121,7 @@ public function getLegacyClass()
  * @throws \ErrorException Invalid type for index.
  * @throws \ErrorException Non-existing index.
  */
- public function offsetGet($offset)
+ public function offsetGet($offset): object
  {
  return $this->container[$offset];
  }
@@ -138,7 +138,7 @@ public function offsetGet($offset)
  * @throws \ErrorException Non-existing index.
  * @throws \ErrorException Incorrect type of the element.
  */
- public function offsetSet($offset, $value)
+ public function offsetSet($offset, $value): void
  {
  switch ($this->type) {
  case GPBType::SFIXED32:
@@ -209,7 +209,7 @@ public function offsetSet($offset, $value)
  * @throws \ErrorException The element to be removed is not at the end of the
  * RepeatedField.
  */
- public function offsetUnset($offset)
+ public function offsetUnset($offset): void
  {
  $count = count($this->container);
  if (!is_numeric($offset) || $count === 0 || $offset !== $count - 1) {
@@ -230,15 +230,15 @@ public function offsetUnset($offset)
  * @return bool True if the element at the given offset exists.
  * @throws \ErrorException Invalid type for index.
  */
- public function offsetExists($offset)
+ public function offsetExists($offset): bool
  {
  return isset($this->container[$offset]);
  }
 
  /**
  * @ignore
  */
- public function getIterator()
+ public function getIterator(): RepeatedFieldIter
  {
  return new RepeatedFieldIter($this->container);
  }
@@ -250,7 +250,7 @@ public function getIterator()
  *
  * @return integer The number of stored elements.
  */
- public function count()
+ public function count(): int
  {
  return count($this->container);
  }

php/src/Google/Protobuf/Internal/RepeatedFieldIter.php

@@ -71,7 +71,7 @@ public function __construct($container)
  *
  * @return void
  */
- public function rewind()
+ public function rewind(): void
  {
  $this->position = 0;
  }
@@ -81,7 +81,7 @@ public function rewind()
  *
  * @return object The element at the current position.
  */
- public function current()
+ public function current(): object
  {
  return $this->container[$this->position];
  }
@@ -91,7 +91,7 @@ public function current()
  *
  * @return integer The current position.
  */
- public function key()
+ public function key(): int
  {
  return $this->position;
  }
@@ -101,7 +101,7 @@ public function key()
  *
  * @return void
  */
- public function next()
+ public function next(): void
  {
  ++$this->position;
  }
@@ -111,7 +111,7 @@ public function next()
  *
  * @return bool True if there are more elements to iterate.
  */
- public function valid()
+ public function valid(): bool
  {
  return isset($this->container[$this->position]);
  }