diff --git a/docs/guide-ar/start-prerequisites.md b/docs/guide-ar/start-prerequisites.md
index e9cf78e0c14..2398a589b7c 100644
--- a/docs/guide-ar/start-prerequisites.md
+++ b/docs/guide-ar/start-prerequisites.md
@@ -7,7 +7,7 @@
## PHP
- ال Yii هو إطار عمل PHP، لذا تأكد من قراءة وفهم المرجع الرسمي الخاص بلغة ال PHP. عند البدء بتطوير المشاريع أو التطبيقات باستخدام ال Yii ، ستكتب التعليمات البرمجية بطريقة كائنية التوجه OOP، لذا تأكد من أنك على دراية بـمفاهيم ال OOP وكذلك ال namespaces.
+ ال Yii هو إطار عمل PHP، لذا تأكد من قراءة وفهم المرجع الرسمي الخاص بلغة ال PHP. عند البدء بتطوير المشاريع أو التطبيقات باستخدام ال Yii ، ستكتب التعليمات البرمجية بطريقة كائنية التوجه OOP، لذا تأكد من أنك على دراية بـمفاهيم ال OOP وكذلك ال namespaces.
## البرمجة كائنية التوجه object oriented programming
diff --git a/docs/guide-fr/concept-autoloading.md b/docs/guide-fr/concept-autoloading.md
index 09e551b0a5f..4efca62dd72 100644
--- a/docs/guide-fr/concept-autoloading.md
+++ b/docs/guide-fr/concept-autoloading.md
@@ -11,7 +11,7 @@ Utilisation du chargeur automatique de Yii
Para fazer uso da autoloader de classe do Yii, você deve seguir duas regras simples ao criar e nomear suas classes:
-* Cada classe deve estar debaixo de um [namespace](https://secure.php.net/manual/en/language.namespaces.php) (exemplo. `foo\bar\MyClass`)
+* Cada classe deve estar debaixo de um [namespace](https://www.php.net/manual/en/language.namespaces.php) (exemplo. `foo\bar\MyClass`)
* Cada classe deve ser salvo em um arquivo individual cujo caminho é determinado pelo seguinte algoritmo:
```php
diff --git a/docs/guide-pt-BR/intro-yii.md b/docs/guide-pt-BR/intro-yii.md
index 0990cea848a..48e2629ee2b 100644
--- a/docs/guide-pt-BR/intro-yii.md
+++ b/docs/guide-pt-BR/intro-yii.md
@@ -65,5 +65,5 @@ detalhados para recursos específicos executando o verificador de requisitos
Utilizar o Yii requer conhecimentos básicos sobre programação orientada a objetos
(OOP), uma vez que o Yii é um framework puramente OOP.
-O Yii 2.0 também utiliza as funcionalides mais recentes do PHP, tais como [namespaces](https://secure.php.net/manual/en/language.namespaces.php) e [traits](https://secure.php.net/manual/en/language.oop5.traits.php). Compreender esses conceitos lhe ajudará a entender mais facilmente o Yii 2.0.
+O Yii 2.0 também utiliza as funcionalides mais recentes do PHP, tais como [namespaces](https://www.php.net/manual/en/language.namespaces.php) e [traits](https://secure.php.net/manual/en/language.oop5.traits.php). Compreender esses conceitos lhe ajudará a entender mais facilmente o Yii 2.0.
diff --git a/docs/guide-ru/glossary.md b/docs/guide-ru/glossary.md
index a3c8b9d7c6d..a44ff2a44c5 100644
--- a/docs/guide-ru/glossary.md
+++ b/docs/guide-ru/glossary.md
@@ -54,7 +54,7 @@ Bundle, известный как пакет в Yii 1.1, относится к
## namespace
-Пространство имен ссылка на [PHP language feature](https://secure.php.net/manual/en/language.namespaces.php) который активно используется в Yii 2.
+Пространство имен ссылка на [PHP language feature](https://www.php.net/manual/en/language.namespaces.php) который активно используется в Yii 2.
# P
diff --git a/docs/guide-tr/intro-yii.md b/docs/guide-tr/intro-yii.md
index 0de94ce865c..55e129d8f84 100644
--- a/docs/guide-tr/intro-yii.md
+++ b/docs/guide-tr/intro-yii.md
@@ -34,4 +34,4 @@ Gereksinimler ve Önkoşullar
Yii 2.0, PHP 5.4.0 veya üstü sürüm gerektirir ve PHP 7'nin en son sürümü ile en iyi şekilde çalışır. Her bir Yii sürümünde yer alan gereksinim denetleyicisini çalıştırarak, daha ayrıntılı gereksinimleri ayrı ayrı özellikler için bulabilirsiniz.
-Yii OOP temelli bir kütüphane olduğu için Yii'yi kullanmak, nesne yönelimli programlama (OOP) hakkında temel bilgi gerektirir. Yii 2.0 ayrıca PHP'nin [namespaceler](https://secure.php.net/manual/en/language.namespaces.php) ve [traitler](https://secure.php.net/manual/en/language.oop5.traits.php) gibi son özelliklerinden de yararlanır. Bu kavramları anlamak, Yii 2.0'ı daha kolay anlamanıza yardımcı olacaktır.
+Yii OOP temelli bir kütüphane olduğu için Yii'yi kullanmak, nesne yönelimli programlama (OOP) hakkında temel bilgi gerektirir. Yii 2.0 ayrıca PHP'nin [namespaceler](https://www.php.net/manual/en/language.namespaces.php) ve [traitler](https://secure.php.net/manual/en/language.oop5.traits.php) gibi son özelliklerinden de yararlanır. Bu kavramları anlamak, Yii 2.0'ı daha kolay anlamanıza yardımcı olacaktır.
diff --git a/docs/guide-tr/start-prerequisites.md b/docs/guide-tr/start-prerequisites.md
index 82da68bf236..26f8804c241 100644
--- a/docs/guide-tr/start-prerequisites.md
+++ b/docs/guide-tr/start-prerequisites.md
@@ -4,7 +4,7 @@ Yii'yi öğrenmesi, diğer PHP kütüphaneleri kadar zor olmasada, yine de başl
## PHP
-Yii bir PHP kütüphanesidir, bu yüzden [PHP Dil Başvuru Kılavuzunu](https://secure.php.net/manual/tr/langref.php) okuduğunuzdan ve anladığınızdan emin olun. Yii ile geliştirirken, nesne yönelimli bir şekilde kod yazacaksınız, bu yüzden [Sınıflar ve Nesneler](https://secure.php.net/manual/tr/language.oop5.basic.php) gibi [ad alanları](https://secure.php.net/manual/en/language.namespaces.php)na aşina olduğunuzdan emin olun.
+Yii bir PHP kütüphanesidir, bu yüzden [PHP Dil Başvuru Kılavuzunu](https://secure.php.net/manual/tr/langref.php) okuduğunuzdan ve anladığınızdan emin olun. Yii ile geliştirirken, nesne yönelimli bir şekilde kod yazacaksınız, bu yüzden [Sınıflar ve Nesneler](https://secure.php.net/manual/tr/language.oop5.basic.php) gibi [ad alanları](https://www.php.net/manual/en/language.namespaces.php)na aşina olduğunuzdan emin olun.
## Nesne Yönelimli Programlama (OOP)
diff --git a/docs/guide-uk/concept-autoloading.md b/docs/guide-uk/concept-autoloading.md
index 7c2c3d8ff6c..acda24c359b 100644
--- a/docs/guide-uk/concept-autoloading.md
+++ b/docs/guide-uk/concept-autoloading.md
@@ -16,7 +16,7 @@
Для використання автозавантажувача класів Yii слід дотримуватися два простих правила створення і іменування класів:
-* Кожен клас повинен належати до [простору імен](https://secure.php.net/manual/en/language.namespaces.php) (наприклад, `foo\bar\MyClass`)
+* Кожен клас повинен належати до [простору імен](https://www.php.net/manual/en/language.namespaces.php) (наприклад, `foo\bar\MyClass`)
* Кожен клас повинен знаходитися в окремому файлі, шлях до якого визначаться наступним правилом:
```php
diff --git a/docs/guide-uk/intro-upgrade-from-v1.md b/docs/guide-uk/intro-upgrade-from-v1.md
index 5fabdd52ee7..b273366cc47 100644
--- a/docs/guide-uk/intro-upgrade-from-v1.md
+++ b/docs/guide-uk/intro-upgrade-from-v1.md
@@ -30,7 +30,7 @@ Yii 2.0 використовує PHP 5.4 або вище, який включа
яка використовувалася Yii 1.1. Таким чином, існує багато відмінностей у мові, які ви повинні приймати до уваги.
Нижче наведені основні зміни в PHP:
-- [Простори імен](https://secure.php.net/manual/en/language.namespaces.php);
+- [Простори імен](https://www.php.net/manual/en/language.namespaces.php);
- [Анонімні функції](https://secure.php.net/manual/en/functions.anonymous.php);
- Використання короткого синтаксису для масивів: `[...елементи...]` замість `array(...елементи...)`;
- Використання тегів `
To make use of the Yii class autoloader, you should follow two simple rules when creating and naming your classes:
-* Each class must be under a [namespace](https://secure.php.net/manual/en/language.namespaces.php) (e.g. `foo\bar\MyClass`)
+* Each class must be under a [namespace](https://www.php.net/manual/en/language.namespaces.php) (e.g. `foo\bar\MyClass`)
* Each class must be saved in an individual file whose path is determined by the following algorithm:
```php
diff --git a/docs/guide/glossary.md b/docs/guide/glossary.md
index 3c0c7c01dc8..c93fa8cdf49 100644
--- a/docs/guide/glossary.md
+++ b/docs/guide/glossary.md
@@ -52,7 +52,7 @@ Module is a sub-application which contains MVC elements by itself, such as model
## namespace
-Namespace refers to a [PHP language feature](https://secure.php.net/manual/en/language.namespaces.php) which is actively used in Yii 2.
+Namespace refers to a [PHP language feature](https://www.php.net/manual/en/language.namespaces.php) which is actively used in Yii 2.
# P
diff --git a/docs/guide/intro-upgrade-from-v1.md b/docs/guide/intro-upgrade-from-v1.md
index 7ebb99e4311..0a026233fce 100644
--- a/docs/guide/intro-upgrade-from-v1.md
+++ b/docs/guide/intro-upgrade-from-v1.md
@@ -29,7 +29,7 @@ Yii 2.0 requires PHP 5.4 or above, which is a huge improvement over PHP version
As a result, there are many differences on the language level that you should pay attention to.
Below is a summary of the major changes regarding PHP:
-- [Namespaces](https://secure.php.net/manual/en/language.namespaces.php).
+- [Namespaces](https://www.php.net/manual/en/language.namespaces.php).
- [Anonymous functions](https://secure.php.net/manual/en/functions.anonymous.php).
- Short array syntax `[...elements...]` is used instead of `array(...elements...)`.
- Short echo tags `