add flatbuffers

commit 6da1cf79d90eb242e7da5318241d42279a3df3ba
Author: Max Burke <max@urbanlogiq.com>
Date:   Sun Jan 19 14:47:28 2020 -0800

    [rust] Add use declarations to Rust-generated bindings for imported FB definitions (#5645)

    * Bugfix for Rust generation of union fields named with language keywords

flatbuffers/samples/SampleBinary.php

@@ -0,0 +1,115 @@
+<?php
+/*
+ * Copyright 2015 Google Inc. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+// To run, use the `php_sample.sh` script.
+
+// It is recommended that you use PSR autoload when using FlatBuffers.
+function __autoload($class_name) {
+  $class = substr($class_name, strrpos($class_name, "\\") + 1);
+  $root_dir = join(DIRECTORY_SEPARATOR, array(dirname(dirname(__FILE__)))); // `flatbuffers` root.
+  $paths = array(join(DIRECTORY_SEPARATOR, array($root_dir, "php")),
+                 join(DIRECTORY_SEPARATOR, array($root_dir, "samples", "MyGame", "Sample")));
+  foreach ($paths as $path) {
+    $file = join(DIRECTORY_SEPARATOR, array($path, $class . ".php"));
+    if (file_exists($file)) {
+      require($file);
+      break;
+    }
+  }
+}
+
+// Example how to use FlatBuffers to create and read binary buffers.
+function main() {
+  $builder = new Google\FlatBuffers\FlatbufferBuilder(0);
+
+  // Create some weapons for our Monster using the `createWeapon()` helper function.
+  $weapon_one = $builder->createString("Sword");
+  $sword = \MyGame\Sample\Weapon::CreateWeapon($builder, $weapon_one, 3);
+  $weapon_two = $builder->createString("Axe");
+  $axe = \MyGame\Sample\Weapon::CreateWeapon($builder, $weapon_two, 5);
+
+  // Serialize the FlatBuffer data.
+  $name = $builder->createString("Orc");
+
+  $treasure = array(0, 1, 2, 3, 4, 5, 6, 7, 8, 9);
+  $inv = \MyGame\Sample\Monster::CreateInventoryVector($builder, $treasure);
+
+  $weaps = array($sword, $axe);
+  $weapons = \MyGame\Sample\Monster::CreateWeaponsVector($builder, $weaps);
+
+  $pos = \MyGame\Sample\Vec3::CreateVec3($builder, 1.0, 2.0, 3.0);
+
+  \MyGame\Sample\Monster::StartMonster($builder);
+  \MyGame\Sample\Monster::AddPos($builder, $pos);
+  \MyGame\Sample\Monster::AddHp($builder, 300);
+  \MyGame\Sample\Monster::AddName($builder, $name);
+  \MyGame\Sample\Monster::AddInventory($builder, $inv);
+  \MyGame\Sample\Monster::AddColor($builder, \MyGame\Sample\Color::Red);
+  \MyGame\Sample\Monster::AddWeapons($builder, $weapons);
+  \MyGame\Sample\Monster::AddEquippedType($builder, \MyGame\Sample\Equipment::Weapon);
+  \MyGame\Sample\Monster::AddEquipped($builder, $weaps[1]);
+  $orc = \MyGame\Sample\Monster::EndMonster($builder);
+
+  $builder->finish($orc); // You may also call `\MyGame\Sample\Monster::FinishMonsterBuffer($builder, $orc);`.
+
+  // We now have a FlatBuffer that can be stored on disk or sent over a network.
+
+  // ...Code to store to disk or send over a network goes here...
+
+  // Instead, we are going to access it right away, as if we just received it.
+
+  $buf = $builder->dataBuffer();
+
+  // Get access to the root:
+  $monster = \MyGame\Sample\Monster::GetRootAsMonster($buf);
+
+  $success = true; // Tracks if an assert occurred.
+
+  // Note: We did not set the `mana` field explicitly, so we get back the default value.
+  $success &= assert($monster->getMana() == 150);
+  $success &= assert($monster->getHp() == 300);
+  $success &= assert($monster->getName() == "Orc");
+  $success &= assert($monster->getColor() == \MyGame\Sample\Color::Red);
+  $success &= assert($monster->getPos()->getX() == 1.0);
+  $success &= assert($monster->getPos()->getY() == 2.0);
+  $success &= assert($monster->getPos()->getZ() == 3.0);
+
+  // Get and test the `inventory` FlatBuffer `vector`.
+  for ($i = 0; $i < $monster->getInventoryLength(); $i++) {
+    $success &= assert($monster->getInventory($i) == $i);
+  }
+
+  // Get and test the `weapons` FlatBuffer `vector` of `table`s.
+  $expected_weapon_names = array("Sword", "Axe");
+  $expected_weapon_damages = array(3, 5);
+  for ($i = 0; $i < $monster->getWeaponsLength(); $i++) {
+    $success &= assert($monster->getWeapons($i)->getName() == $expected_weapon_names[$i]);
+    $success &= assert($monster->getWeapons($i)->getDamage() == $expected_weapon_damages[$i]);
+  }
+
+  // Get and test the `equipped` FlatBuffer `union`.
+  $success &= assert($monster->getEquippedType() == \MyGame\Sample\Equipment::Weapon);
+  $success &= assert($monster->getEquipped(new \MyGame\Sample\Weapon())->getName() == "Axe");
+  $success &= assert($monster->getEquipped(new \MyGame\Sample\Weapon())->getDamage() == 5);
+
+  if ($success) {
+    print("The FlatBuffer was successfully created and verified!\n");
+  }
+}
+
+main();
+?>