Register and use view handler p. 11.

.idea/workspace.xml

@@ -20,8 +20,8 @@
       <file leaf-file-name="controllers.php" pinned="false" current-in-tab="true">
         <entry file="file://$PROJECT_DIR$/src/controllers.php">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="192">
-              <caret line="61" column="61" lean-forward="false" selection-start-line="61" selection-start-column="61" selection-end-line="61" selection-end-column="61" />
+            <state relative-caret-position="170">
+              <caret line="119" column="0" lean-forward="false" selection-start-line="119" selection-start-column="0" selection-end-line="119" selection-end-column="0" />
               <folding />
             </state>
           </provider>
@@ -34,6 +34,12 @@
       <find>welcome to</find>
       <find>resolveCallback</find>
       <find>httpexcep</find>
+      <find>negotiator</find>
+      <find>get(</find>
+      <find>hello</find>
+      <find>bind</find>
+      <find>blog_show</find>
+      <find>aa</find>
     </findStrings>
     <dirStrings>
       <dir>$PROJECT_DIR$/vendor</dir>
@@ -233,6 +239,52 @@
               <item name="silex-book" type="2a2b976b:PhpTreeStructureProvider$1" />
               <item name="templates" type="2a2b976b:PhpTreeStructureProvider$1" />
             </path>
+            <path>
+              <item name="silex-book" type="b2602c69:ProjectViewProjectNode" />
+              <item name="silex-book" type="2a2b976b:PhpTreeStructureProvider$1" />
+              <item name="vendor" type="2a2b976b:PhpTreeStructureProvider$1" />
+            </path>
+            <path>
+              <item name="silex-book" type="b2602c69:ProjectViewProjectNode" />
+              <item name="silex-book" type="2a2b976b:PhpTreeStructureProvider$1" />
+              <item name="vendor" type="2a2b976b:PhpTreeStructureProvider$1" />
+              <item name="silex" type="2a2b976b:PhpTreeStructureProvider$1" />
+            </path>
+            <path>
+              <item name="silex-book" type="b2602c69:ProjectViewProjectNode" />
+              <item name="silex-book" type="2a2b976b:PhpTreeStructureProvider$1" />
+              <item name="vendor" type="2a2b976b:PhpTreeStructureProvider$1" />
+              <item name="silex" type="2a2b976b:PhpTreeStructureProvider$1" />
+              <item name="silex" type="2a2b976b:PhpTreeStructureProvider$1" />
+            </path>
+            <path>
+              <item name="silex-book" type="b2602c69:ProjectViewProjectNode" />
+              <item name="silex-book" type="2a2b976b:PhpTreeStructureProvider$1" />
+              <item name="vendor" type="2a2b976b:PhpTreeStructureProvider$1" />
+              <item name="silex" type="2a2b976b:PhpTreeStructureProvider$1" />
+              <item name="silex" type="2a2b976b:PhpTreeStructureProvider$1" />
+              <item name="doc" type="2a2b976b:PhpTreeStructureProvider$1" />
+            </path>
+            <path>
+              <item name="silex-book" type="b2602c69:ProjectViewProjectNode" />
+              <item name="silex-book" type="2a2b976b:PhpTreeStructureProvider$1" />
+              <item name="vendor" type="2a2b976b:PhpTreeStructureProvider$1" />
+              <item name="symfony" type="2a2b976b:PhpTreeStructureProvider$1" />
+            </path>
+            <path>
+              <item name="silex-book" type="b2602c69:ProjectViewProjectNode" />
+              <item name="silex-book" type="2a2b976b:PhpTreeStructureProvider$1" />
+              <item name="vendor" type="2a2b976b:PhpTreeStructureProvider$1" />
+              <item name="symfony" type="2a2b976b:PhpTreeStructureProvider$1" />
+              <item name="http-foundation" type="2a2b976b:PhpTreeStructureProvider$1" />
+            </path>
+            <path>
+              <item name="silex-book" type="b2602c69:ProjectViewProjectNode" />
+              <item name="silex-book" type="2a2b976b:PhpTreeStructureProvider$1" />
+              <item name="vendor" type="2a2b976b:PhpTreeStructureProvider$1" />
+              <item name="symfony" type="2a2b976b:PhpTreeStructureProvider$1" />
+              <item name="http-kernel" type="2a2b976b:PhpTreeStructureProvider$1" />
+            </path>
             <path>
               <item name="silex-book" type="b2602c69:ProjectViewProjectNode" />
               <item name="silex-book" type="2a2b976b:PhpTreeStructureProvider$1" />
@@ -282,28 +334,29 @@
       <workItem from="1511945660695" duration="9000" />
       <workItem from="1511945681954" duration="1284000" />
       <workItem from="1511975755546" duration="4189000" />
-      <workItem from="1512542104610" duration="649000" />
+      <workItem from="1512542104610" duration="2889000" />
     </task>
     <servers />
   </component>
   <component name="TimeTrackingManager">
-    <option name="totallyTimeSpent" value="10607000" />
+    <option name="totallyTimeSpent" value="12847000" />
   </component>
   <component name="ToolWindowManager">
     <frame x="0" y="23" width="1676" height="1027" extended-state="6" />
     <editor active="true" />
     <layout>
-      <window_info id="Project" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" show_stripe_button="true" weight="0.26499388" sideWeight="0.5" order="5" side_tool="false" content_ui="combo" />
       <window_info id="TODO" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="10" side_tool="false" content_ui="tabs" />
-      <window_info id="Docker" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="11" side_tool="false" content_ui="tabs" />
       <window_info id="Event Log" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.32939914" sideWeight="0.5" order="0" side_tool="true" content_ui="tabs" />
-      <window_info id="Database" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="0" side_tool="false" content_ui="tabs" />
       <window_info id="Run" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="6" side_tool="false" content_ui="tabs" />
       <window_info id="Version Control" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.32939914" sideWeight="0.5" order="1" side_tool="false" content_ui="tabs" />
-      <window_info id="Structure" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" show_stripe_button="true" weight="0.24908201" sideWeight="0.5" order="1" side_tool="false" content_ui="tabs" />
       <window_info id="Mongo Explorer" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="1" side_tool="false" content_ui="tabs" />
       <window_info id="Terminal" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="2" side_tool="false" content_ui="tabs" />
-      <window_info id="Debug" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.39914164" sideWeight="0.5" order="7" side_tool="false" content_ui="tabs" />
+      <window_info id="Project" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" show_stripe_button="true" weight="0.26499388" sideWeight="0.5" order="5" side_tool="false" content_ui="combo" />
+      <window_info id="Docker" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="11" side_tool="false" content_ui="tabs" />
+      <window_info id="Database" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="0" side_tool="false" content_ui="tabs" />
+      <window_info id="Find" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="5" side_tool="false" content_ui="tabs" />
+      <window_info id="Structure" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" show_stripe_button="true" weight="0.24908201" sideWeight="0.5" order="1" side_tool="false" content_ui="tabs" />
+      <window_info id="Debug" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" show_stripe_button="true" weight="0.39914164" sideWeight="0.5" order="7" side_tool="false" content_ui="tabs" />
       <window_info id="Favorites" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="0" side_tool="true" content_ui="tabs" />
       <window_info id="Cvs" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.25" sideWeight="0.5" order="8" side_tool="false" content_ui="tabs" />
       <window_info id="Message" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="4" side_tool="false" content_ui="tabs" />
@@ -311,7 +364,6 @@
       <window_info id="Inspection" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.4" sideWeight="0.5" order="9" side_tool="false" content_ui="tabs" />
       <window_info id="Hierarchy" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.25" sideWeight="0.5" order="4" side_tool="false" content_ui="combo" />
       <window_info id="Metrics" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="3" side_tool="false" content_ui="tabs" />
-      <window_info id="Find" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="5" side_tool="false" content_ui="tabs" />
       <window_info id="Ant Build" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.25" sideWeight="0.5" order="3" side_tool="false" content_ui="tabs" />
     </layout>
   </component>
@@ -326,19 +378,43 @@
       <breakpoints>
         <line-breakpoint enabled="true" type="php">
           <url>file://$PROJECT_DIR$/src/controllers.php</url>
-          <line>93</line>
+          <line>142</line>
           <option name="timeStamp" value="28" />
         </line-breakpoint>
         <line-breakpoint enabled="true" type="php">
           <url>file://$PROJECT_DIR$/src/controllers.php</url>
-          <line>84</line>
-          <option name="timeStamp" value="36" />
+          <line>55</line>
+          <option name="timeStamp" value="37" />
+        </line-breakpoint>
+        <line-breakpoint enabled="true" type="php">
+          <url>file://$PROJECT_DIR$/src/controllers.php</url>
+          <line>60</line>
+          <option name="timeStamp" value="39" />
         </line-breakpoint>
       </breakpoints>
-      <option name="time" value="37" />
+      <option name="time" value="49" />
     </breakpoint-manager>
     <watches-manager />
   </component>
+  <component name="debuggerHistoryManager">
+    <expressions id="evaluateExpression">
+      <expression>
+        <expression-string>$response</expression-string>
+        <language-id>PHP</language-id>
+        <evaluation-mode>EXPRESSION</evaluation-mode>
+      </expression>
+      <expression>
+        <expression-string>$request-&gt;getRequestUri()</expression-string>
+        <language-id>PHP</language-id>
+        <evaluation-mode>EXPRESSION</evaluation-mode>
+      </expression>
+      <expression>
+        <expression-string>$request</expression-string>
+        <language-id>PHP</language-id>
+        <evaluation-mode>EXPRESSION</evaluation-mode>
+      </expression>
+    </expressions>
+  </component>
   <component name="editorHistoryManager">
     <entry file="file://$PROJECT_DIR$/src/controllers.php">
       <provider selected="true" editor-type-id="text-editor">
@@ -415,16 +491,6 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/README.md">
-      <provider selected="true" editor-type-id="split-provider[text-editor;markdown-preview-editor]">
-        <state split_layout="FIRST">
-          <first_editor relative-caret-position="195">
-            <caret line="13" column="0" lean-forward="true" selection-start-line="13" selection-start-column="0" selection-end-line="13" selection-end-column="0" />
-          </first_editor>
-          <second_editor />
-        </state>
-      </provider>
-    </entry>
     <entry file="file://$PROJECT_DIR$/templates/index.html.twig">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="45">
@@ -447,13 +513,6 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/composer.json">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="585">
-          <caret line="39" column="6" lean-forward="false" selection-start-line="39" selection-start-column="6" selection-end-line="39" selection-end-column="6" />
-        </state>
-      </provider>
-    </entry>
     <entry file="file://$PROJECT_DIR$/templates/errors/4xx.html.twig">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="60">
@@ -473,6 +532,7 @@
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="102">
           <caret line="768" column="27" lean-forward="true" selection-start-line="768" selection-start-column="27" selection-end-line="768" selection-end-column="27" />
+          <folding />
         </state>
       </provider>
     </entry>
@@ -574,13 +634,6 @@
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="327">
           <caret line="477" column="0" lean-forward="false" selection-start-line="477" selection-start-column="0" selection-end-line="477" selection-end-column="0" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/vendor/symfony/http-foundation/Response.php">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="312">
-          <caret line="207" column="0" lean-forward="false" selection-start-line="207" selection-start-column="0" selection-end-line="207" selection-end-column="0" />
           <folding />
         </state>
       </provider>
@@ -589,6 +642,7 @@
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="357">
           <caret line="382" column="0" lean-forward="false" selection-start-line="382" selection-start-column="0" selection-end-line="382" selection-end-column="0" />
+          <folding />
         </state>
       </provider>
     </entry>
@@ -627,13 +681,6 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/vendor/symfony/http-kernel/HttpKernel.php">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="207">
-          <caret line="196" column="0" lean-forward="false" selection-start-line="196" selection-start-column="0" selection-end-line="196" selection-end-column="0" />
-        </state>
-      </provider>
-    </entry>
     <entry file="file://$PROJECT_DIR$/vendor/silex/silex/src/Silex/EventListener/ConverterListener.php">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="195">
@@ -645,6 +692,7 @@
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="207">
           <caret line="126" column="0" lean-forward="false" selection-start-line="126" selection-start-column="0" selection-end-line="126" selection-end-column="0" />
+          <folding />
         </state>
       </provider>
     </entry>
@@ -660,6 +708,7 @@
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="462">
           <caret line="118" column="0" lean-forward="false" selection-start-line="118" selection-start-column="0" selection-end-line="118" selection-end-column="0" />
+          <folding />
         </state>
       </provider>
     </entry>
@@ -681,13 +730,57 @@
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="762">
           <caret line="91" column="0" lean-forward="false" selection-start-line="91" selection-start-column="0" selection-end-line="91" selection-end-column="0" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/vendor/silex/silex/doc/usage.rst">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="316">
+          <caret line="584" column="0" lean-forward="true" selection-start-line="584" selection-start-column="0" selection-end-line="584" selection-end-column="0" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/README.md">
+      <provider selected="true" editor-type-id="split-provider[text-editor;markdown-preview-editor]">
+        <state split_layout="FIRST">
+          <first_editor relative-caret-position="195">
+            <caret line="13" column="0" lean-forward="true" selection-start-line="13" selection-start-column="0" selection-end-line="13" selection-end-column="0" />
+            <folding />
+          </first_editor>
+          <second_editor />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/composer.json">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="585">
+          <caret line="39" column="6" lean-forward="false" selection-start-line="39" selection-start-column="6" selection-end-line="39" selection-end-column="6" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/vendor/symfony/http-foundation/Response.php">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="421">
+          <caret line="43" column="10" lean-forward="false" selection-start-line="43" selection-start-column="10" selection-end-line="43" selection-end-column="10" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/vendor/symfony/http-kernel/HttpKernel.php">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="177">
+          <caret line="155" column="0" lean-forward="false" selection-start-line="155" selection-start-column="0" selection-end-line="155" selection-end-column="0" />
+          <folding />
         </state>
       </provider>
     </entry>
     <entry file="file://$PROJECT_DIR$/src/controllers.php">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="192">
-          <caret line="61" column="61" lean-forward="false" selection-start-line="61" selection-start-column="61" selection-end-line="61" selection-end-column="61" />
+        <state relative-caret-position="170">
+          <caret line="119" column="0" lean-forward="false" selection-start-line="119" selection-start-column="0" selection-end-line="119" selection-end-column="0" />
           <folding />
         </state>
       </provider>

src/controllers.php

@@ -51,6 +51,9 @@ $app->get('/blogs', function () use ($blogPosts) {
   }
   $output .= "</ul>\n";
   return $output;
+})->bind('blog_list');
+$app->get('/blogs-json-view', function () use ($blogPosts) {
+  return $blogPosts; // Rely on the view handler.
 });
 
 // Default: http://blog, not http://blog/
@@ -73,6 +76,14 @@ $app->post('/feedback', FeedbackController::class . '::feedbackAction');
 $app->get('/user/{user}', UserController::class . '::itemAction')
   ->convert('user', 'converter.user:convert');
 
+// Register a view handler. They can also receive Request $request as 2nd arg,
+// e.g. for basic content negotiation.
+$app->view(function (array $controllerResult) use ($app) {
+  return $app->json($controllerResult);
+});
+// Handlers are examined in order, and called in a chain with the result of the
+// previous one. The last one must return a string or Response.
+
 /* Error handlers receive exactly these arguments, in that order. */
 $app->error(function (HttpException $e, Request $request, $code) {
   $response = new Response('HTTP Error caught: skipping generic error handler.',