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Filename: core/URI.php

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Filename: core/Router.php

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Filename: core/Controller.php

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Filename: core/Controller.php

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Filename: core/Controller.php

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Filename: core/Controller.php

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Filename: core/Controller.php

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Filename: core/Controller.php

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Message: Creation of dynamic property index::$db is deprecated

Filename: core/Loader.php

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Filename: database/DB_driver.php

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Filename: drivers/Session_files_driver.php

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Filename: drivers/Session_files_driver.php

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Filename: drivers/Session_files_driver.php

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Filename: drivers/Session_files_driver.php

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Filename: drivers/Session_files_driver.php

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Filename: drivers/Session_files_driver.php

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Filename: core/Loader.php

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Filename: core/Loader.php

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Filename: core/Loader.php

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Filename: core/Loader.php

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Filename: core/Loader.php

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Filename: core/Loader.php

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Filename: core/Loader.php

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Filename: core/Loader.php

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Filename: core/Loader.php

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Filename: core/Loader.php

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Filename: core/Loader.php

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Filename: core/Loader.php

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Message: Creation of dynamic property CI_Loader::$exceptions is deprecated

Filename: core/Loader.php

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Message: Creation of dynamic property CI_Loader::$router is deprecated

Filename: core/Loader.php

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Message: Creation of dynamic property CI_Loader::$output is deprecated

Filename: core/Loader.php

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Message: Creation of dynamic property CI_Loader::$security is deprecated

Filename: core/Loader.php

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Message: Creation of dynamic property CI_Loader::$input is deprecated

Filename: core/Loader.php

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Filename: core/Loader.php

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Message: Creation of dynamic property CI_Loader::$load is deprecated

Filename: core/Loader.php

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Message: Creation of dynamic property CI_Loader::$db is deprecated

Filename: core/Loader.php

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Message: Creation of dynamic property CI_Loader::$session is deprecated

Filename: core/Loader.php

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Message: Creation of dynamic property CI_Loader::$pagination is deprecated

Filename: core/Loader.php

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Filename: core/Loader.php

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Filename: core/Loader.php

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Message: Creation of dynamic property CI_Loader::$bilgi_model is deprecated

Filename: core/Loader.php

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Filename: core/Loader.php

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Filename: core/Input.php

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Filename: core/Loader.php

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DOCTYPE Nedir, Nerede ve Neden Kullanılır?
Öneri ve Hata Raporu



Günün Sözü İnsan kafasında ne kurarsa, onu yaşar.

oylama 3/5 yorum 2 yorum yazar Hakan Taşan tarih 28 Eylül 2013

DOCTYPE, hazırladığınız sayfaların hangi tipte bir belge olduğunu tarayıcıya (browser) bildirmek için kullanılır. Bu sayede tarayıcı bu sayfayı hangi standarda (hangi HTML sürümü kullanılmış) göre yorumlayacağını anlamış olur. Eğer DOCTYPE kullanılmazsa tarayıcılar sayfaları standarda uygun olarak yorumlamayacak, dolayısıyla her tarayıcı size farklı farklı sonuçlar verecektir. Sitenin tarayıcılarda farklı görünmesinin nedenlerinden birisi DOCTYPE kullanılmamasıdır. Yani siteniz Chrome'da düzgün ama IE'de yamuk yumuk görünmesin istiyorsanız DOCTYPE kullanmalısınız.

DOCTYPE Nerede Tanımlanır?

DOCTYPE tanımlaması "<html>" etiketinin bir üst satırında olmalı ve DOCTYPE tanımlamasının üstünde hiçbir şey olmamalıdır. DOCTYPE tanımlaması bir HTML etiketi değildir bu yüzden "<html>" etiketi yerine kullanılamaz. Aşağıda doğru ve yanlış bir DOCTYPE tanımlamasını göreceksiniz.

Doğru DOCTYPE tanımlaması

<!DOCTYPE html>
<html>
<head>
<title>Başlık</title>
</head>
<body>
Site içeriği...
</body>
</html>

 

Yanlış DOCTYPE tanımlaması

<!DOCTYPE html>
<head>
<title>Başlık</title>
</head>
<body>
Site içeriği...
</body>
</html>

 

DOCTYPE Versiyonları

Her HTML versiyonu için değişik DOCTYPE tanımlaması vardır. Aşağıda bütün HTML versiyonları için DOCTYPE tanımlamalarını göreceksiniz.

1) HTML5

<!DOCTYPE html>

 

2) HTML 4.01 Strict

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">

 

3) HTML 4.01 Transitional

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

 

4) HTML 4.01 Frameset

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Frameset//EN" "http://www.w3.org/TR/html4/frameset.dtd">

 

5) XHTML 1.0 Strict

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">

 

6) XHTML 1.0 Transitional

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

 

7) XHTML 1.0 Frameset

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Frameset//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-frameset.dtd">

 

8) XHTML 1.1

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">

 

Farkettiyseniz en son sürüm olan HTML 5 diğer tanımlamalara göre oldukça basit ve kısadır. HTML sürümleri hakkında daha detaylı bilgi için tıklayın.

Hangi HTML etiketinin hangi HTML sürümünde geçerli olduğuna bakmak için buraya tıklayın.

paylaş Paylaş
oylama yap Oyla

makale yorumları YORUMLAR

2 Yorum


yorum

umut sürmeli

22 Ekim 2015 21:01


hangi doctype hangi sayfada kullanılmalı acaba. özellikle mobil sitelerde kullanılanları araştırıyordum.

yorum

Admin

22 Ekim 2015 22:26


html5 kullanmanızı tavsiye ederim. mobil siteler de son zamanlarda html5 desteğini artırdılar. birçok tarayıcı desteklemekte.