psr-4 change.

composer.json

@@ -97,24 +97,24 @@
 	},
 	"autoload": {
 		"psr-4": {
+			"yii\\apidoc\\": "extensions/apidoc/",
+			"yii\\authclient\\": "extensions/authclient/",
+			"yii\\bootstrap\\": "extensions/bootstrap/",
+			"yii\\codeception\\": "extensions/codeception/",
+			"yii\\debug\\": "extensions/debug/",
+			"yii\\elasticsearch\\": "extensions/elasticsearch/",
 			"yii\\faker\\": "extensions/faker/",
+			"yii\\gii\\": "extensions/gii/",
+			"yii\\imagine\\" : "extensions/imagine/",
+			"yii\\jui\\": "extensions/jui/",
+			"yii\\mongodb\\": "extensions/mongodb/",
+			"yii\\redis\\": "extensions/redis/",
+			"yii\\smarty\\": "extensions/smarty/",
+			"yii\\swiftmailer\\": "extensions/swiftmailer/",
+			"yii\\sphinx\\": "extensions/sphinx/",
 			"yii\\twig\\": "extensions/twig/"
 		},
 		"psr-0": {
-			"yii\\apidoc\\": "extensions/",
-			"yii\\authclient\\": "extensions/",
-			"yii\\bootstrap\\": "extensions/",
-			"yii\\codeception\\": "extensions/",
-			"yii\\debug\\": "extensions/",
-			"yii\\elasticsearch\\": "extensions/",
-			"yii\\gii\\": "extensions/",
-			"yii\\imagine\\" : "extensions/",
-			"yii\\jui\\": "extensions/",
-			"yii\\mongodb\\": "extensions/",
-			"yii\\redis\\": "extensions/",
-			"yii\\smarty\\": "extensions/",
-			"yii\\swiftmailer\\": "extensions/",
-			"yii\\sphinx\\": "extensions/",
 			"yii\\": "framework/"
 		}
 	}

docs/guide/basics.md

@@ -81,7 +81,7 @@ Autoloading
 All classes, interfaces and traits are loaded automatically at the moment they are used. There's no need to use
 `include` or `require`. It is, as well, true for Composer-loaded packages and Yii extensions.
 
-Autoloader works according to [PSR-0](). That means namespaces and class, interface and trait
+Autoloader works according to [PSR-4](). That means namespaces and class, interface and trait
 names should correspond to file system paths except root namespace path that is defined by an alias.
 
 For example, if standard alias `@app` refers to `/var/www/example.com/` then `\app\models\User` will be loaded from

docs/internals/autoloader.md

 Yii2 class loader
 =================
 
-Yii 2 class loader is PSR-0 compliant. That means it can handle most of the PHP
+Yii 2 class loader is PSR-4 compliant. That means it can handle most of the PHP
 libraries and frameworks out there.
 
 In order to autoload a library you need to set a root alias for it.

extensions/yii/apidoc/composer.json → extensions/apidoc/composer.json

@@ -23,8 +23,7 @@
 		"phpdocumentor/reflection": "1.0.2"
 	},
 	"autoload": {
-		"psr-0": { "yii\\apidoc\\": "" }
+		"psr-4": { "yii\\apidoc\\": "" }
 	},
-	"target-dir": "yii/apidoc",
 	"bin": ["apidoc"]
 }

extensions/yii/authclient/composer.json → extensions/authclient/composer.json

@@ -22,7 +22,6 @@
 		"ext-curl": "*"
 	},
 	"autoload": {
-		"psr-0": { "yii\\authclient\\": "" }
-	},
-	"target-dir": "yii/authclient"
+		"psr-4": { "yii\\authclient\\": "" }
+	}
 }

extensions/yii/bootstrap/composer.json → extensions/bootstrap/composer.json

@@ -22,7 +22,6 @@
 		"twbs/bootstrap": "3.0.*"
 	},
 	"autoload": {
-		"psr-0": { "yii\\bootstrap\\": "" }
-	},
-	"target-dir": "yii/bootstrap"
+		"psr-4": { "yii\\bootstrap\\": "" }
+	}
 }

extensions/yii/codeception/composer.json → extensions/codeception/composer.json

@@ -20,7 +20,6 @@
 		"yiisoft/yii2": "*"
 	},
 	"autoload": {
-		"psr-0": { "yii\\codeception\\": "" }
-	},
-	"target-dir": "yii/codeception"
+		"psr-4": { "yii\\codeception\\": "" }
+	}
 }