QA: Replace spl_object_hash() -> spl_object_id()

Author: thekid

src/main/php/web/Application.class.php

@@ -114,7 +114,7 @@ public function service($request, $response) {
   public function toString() { return nameof($this).'('.$this->environment->docroot().')'; }
 
   /** @return string */
-  public function hashCode() { return spl_object_hash($this); }
+  public function hashCode() { return spl_object_id($this); }
 
   /**
    * Comparison

src/main/php/web/Request.class.php

@@ -342,7 +342,7 @@ public function toString() {
   }
 
   /** @return string */
-  public function hashCode() { return spl_object_hash($this); }
+  public function hashCode() { return spl_object_id($this); }
 
   /**
    * Compares this request

src/main/php/web/io/Part.class.php

@@ -26,7 +26,7 @@ public abstract function kind();
   public function name() { return $this->name; }
 
   /** @return string */
-  public function hashCode() { return spl_object_hash($this); }
+  public function hashCode() { return spl_object_id($this); }
 
   /**
    * Compares this part to a given value

src/test/php/web/unittest/RequestTest.class.php

@@ -355,7 +355,7 @@ public function string_representation() {
   #[Test]
   public function hash_code() {
     $req= new Request(new TestInput('GET', '/', ['Host' => 'localhost', 'Connection' => 'close']));
-    Assert::equals(spl_object_hash($req), $req->hashCode());
+    Assert::equals(spl_object_id($req), $req->hashCode());
   }
 
   #[Test]