Using php in html pages

Your first PHP-enabled page

Create a file named hello.php and put it in your web server’s root directory ( DOCUMENT_ROOT ) with the following content:

Example #1 Our first PHP script: hello.php

Use your browser to access the file with your web server’s URL, ending with the /hello.php file reference. When developing locally this URL will be something like http://localhost/hello.php or http://127.0.0.1/hello.php but this depends on the web server’s configuration. If everything is configured correctly, this file will be parsed by PHP and the following output will be sent to your browser:

This program is extremely simple and you really did not need to use PHP to create a page like this. All it does is display: Hello World using the PHP echo statement. Note that the file does not need to be executable or special in any way. The server finds out that this file needs to be interpreted by PHP because you used the «.php» extension, which the server is configured to pass on to PHP. Think of this as a normal HTML file which happens to have a set of special tags available to you that do a lot of interesting things.

Читайте также:  Java stack trace debugging

If you tried this example and it did not output anything, it prompted for download, or you see the whole file as text, chances are that the server you are on does not have PHP enabled, or is not configured properly. Ask your administrator to enable it for you using the Installation chapter of the manual. If you are developing locally, also read the installation chapter to make sure everything is configured properly. Make sure that you access the file via http with the server providing you the output. If you just call up the file from your file system, then it will not be parsed by PHP. If the problems persist anyway, do not hesitate to use one of the many » PHP support options.

The point of the example is to show the special PHP tag format. In this example we used . You may jump in and out of PHP mode in an HTML file like this anywhere you want. For more details, read the manual section on the basic PHP syntax.

Note: A Note on Line Feeds

Line feeds have little meaning in HTML, however it is still a good idea to make your HTML look nice and clean by putting line feeds in. A linefeed that follows immediately after a closing ?> will be removed by PHP. This can be extremely useful when you are putting in many blocks of PHP or include files containing PHP that aren’t supposed to output anything. At the same time it can be a bit confusing. You can put a space after the closing ?> to force a space and a line feed to be output, or you can put an explicit line feed in the last echo/print from within your PHP block.

Note: A Note on Text Editors

There are many text editors and Integrated Development Environments (IDEs) that you can use to create, edit and manage PHP files. A partial list of these tools is maintained at » PHP Editors List. If you wish to recommend an editor, please visit the above page and ask the page maintainer to add the editor to the list. Having an editor with syntax highlighting can be helpful.

Note: A Note on Word Processors

Word processors such as StarOffice Writer, Microsoft Word and Abiword are not optimal for editing PHP files. If you wish to use one for this test script, you must ensure that you save the file as plain text or PHP will not be able to read and execute the script.

Now that you have successfully created a working PHP script, it is time to create the most famous PHP script! Make a call to the phpinfo() function and you will see a lot of useful information about your system and setup such as available predefined variables, loaded PHP modules, and configuration settings. Take some time and review this important information.

Example #2 Get system information from PHP

Источник

Как подключить PHP к HTML?

PHP — это встраиваемый серверный язык программирования. Большая часть его синтаксиса заимствована из C , Java и Perl . А также добавлена пара уникальных характерных только для PHP функций . Основная цель этого языка — создание динамически генерируемых PHP HTML страниц .

PHP в HTML

При создании сложных веб-страниц вы столкнетесь с необходимостью объединить PHP и HTML для реализации конкретных задач. На первый взгляд это может показаться сложным, так как PHP и HTML являются двумя независимыми дисциплинами, но это не так. PHP предназначен для взаимодействия с HTML , и его код может быть включен в разметку страницы.

В HTML-страницы PHP-код включается с помощью специальных тегов. Когда пользователь открывает страницу, сервер обрабатывает PHP-код , а затем отправляет результат обработки ( не сам PHP-код ) в браузер.

HTML и PHP довольно просто объединить. Любая часть PHP-скрипта за пределами тегов игнорируется PHP-компилятором и передается непосредственно в браузер. Если посмотреть на пример, приведенный ниже, то можно увидеть, что полный PHP-скрипт может выглядеть следующим образом:

Приведенный выше код — это обычный HTML с небольшим фрагментом PHP , который выводит текущую дату, используя встроенную функцию date . При этом весь HTML будет игнорироваться PHP-компилятором и передаваться в браузер без изменений.

Интегрировать PHP в HTML действительно очень легко. Помните, что скрипт — это HTML-страница с включением определенного PHP кода . Можно создать скрипт, который будет содержать только HTML (без тегов ), и он будет нормально работать.

Источник

PHP in HTML

PHP is an HTML-embedded server-side scripting language. Much of its syntax is borrowed from C, Java and Perl with a couple of unique PHP-specific features thrown in. The goal of the language is to allow web developers to write dynamically generated pages quickly. NTC Hosting offers its clients high quality PHP and HTML hosting services. Our servers are configured so as to ensure maximum performance for both your HTML and PHP-based applications and the non-interruptible functioning of your websites.

PHP in HTML

When building a complex page, at some point you will be faced with the need to combine PHP and HTML to achieve your needed results. At first point, this can seem complicated, since PHP and HTML are two separate languages, but this is not the case. PHP is designed to interact with HTML and PHP scripts can be included in an HTML page without a problem.

In an HTML page, PHP code is enclosed within special PHP tags. When a visitor opens the page, the server processes the PHP code and then sends the output (not the PHP code itself) to the visitor’s browser. Actually it is quite simple to integrate HTML and PHP. A PHP script can be treated as an HTML page, with bits of PHP inserted here and there. Anything in a PHP script that is not contained within tags is ignored by the PHP compiler and passed directly to the web browser. If you look at the example below you can see what a full PHP script might look like:

The code above is simply HTML, with just a bit of PHP that prints out today’s date using the built-in date function. As mentioned above, all of the plain HTML in the code above will be ignored by the PHP compiler and passed through to the web browser untouched.

See how easy that is? Integrating PHP and HTML is really very simple. Just remember that at its core, a PHP script is just an HTML page with some PHP sprinkled through it. If you want, you can create a PHP script that only has HTML in it and no tags, and it will work just fine.

More advanced techniques:

  • Menu Item 1
  • Menu Item 2
  • Menu Item 3
  • Menu Item 4
  • Menu Item 5

PHP in HTML using short_open_tag

PHP in HTML using short_tags:

Have in mind that if you want to build a website compatible with as many platforms as possible, you should not rely on short_tags.

HTML in PHP using echo

A possible way to integrate HTML tags in a PHP file is via the echo command:


echo ««;
echo » «;
echo » echo «Hello, today is «;
echo date(‘l, F jS, Y’); //other php code here echo ««;
echo ««;
?>

This will, however, affect the HTML Code Coloring option in most HTML/PHP editors, which allows for easy understanding of the role of HTML tags. You should escape each double quote within the HTML code with a backslash.

PHP in HTML — file extensions

When a given file contains PHP code, it must have a PHP extension. In most cases this is .php, but you can also configure the .htaccess file to read the PHP code in the HTML file without renaming it or changing its extension. Below you can view the «handlers», which will have to be added in order to achieve this

For a normally configured web server:

A web server running FastCGI:

AddHandler fcgid-script .html .htm Note: this is tested and works with the NTC web hosting servers. If you are using a different hosting provider, consult them for assistance. Additionally, if you are faced with constant problems there, you can consider switching to NTC Hosting in order to get the PHP optimized stable servers you need.

HTML in PHP

You can also use HTML code in a PHP script. This can be very useful if you have built your whole page in PHP, but want to include a custom HTML form, for example. All that you need to do is reverse the order of the HTML and PHP opening tags, opening the page with PHP:

Using HTML in PHP:

While this looks a bit complicated, it actually saves you a lot of code. Here, we are using the $PHP_SELF super global, which allows us to use the value of the fields, specified under it, in the same file. Usually, for such forms two files are created — the first one is the HTML form itself and the second one is the backend PHP file, which does all the work.

If you already have a complicated PHP application, which relies on a great number of files, and you just want to keep everything as simple as possible, this can be of great assistance.

PHP with NTC Hosting

NTC Hosting offers its clients an ultimate web hosting solution. All our web hosting plans provide support for HTML and give you the possibility to choose between PHP4and PHP5

Источник

Оцените статью