3 Great HTML5 Attributes That Simplify Coding

HTML5 offers a lot of new features, which were, in my opinion, long overdue. In this article i will show you three great new HTML5 attributes which will make coding your HTML5 Website easier.

placeholder-Attribute

Do you know this placeholder texts within form fields like e.g. “Enter your email adress here”? Well with HTML5 you can add placeholders quite easily to your form fields. Just add the placeholder attribute to your form tag. No Javascript or other hacks needed anymore.

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PHP: Detect Time Of Last Modification Of A File

Do you need to find out in PHP, when a file was modified? Then you should take a look at the PHP-function filemtime. This function expects a filename as parameter and returns the modification-time of this file.
Here is an example:

< ?php
echo filemtime('anyfile.html');
?>

This PHP-script will output the timestamp of the last modification of the file anyfile.html.
You can also format this by using the date-function:

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Display A HTML-List Horizontally

Normally a HTML-list is displayed vertically, which means that each entry is below the previous entry. But for some reasons you might want to display the list vertically, e.g. for a menubar.
Here is a simple way to do that.

For this example I’ll use the following list:

<ul>
	<li>Item 1</li>
	<li>Item 2</li>
	<li>Item 3</li>
</ul>

The result looks like this:

  • Item 1
  • Item 2
  • Item 3

Now, we add some CSS:

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PHP: Output An Associative Array

In this article I’ll show you, how to output each element of an an assciative array in PHP. First of all, we need an associative array. In this example I’ll use an array with colors as the key and the corresponding HEX-code of this color as the value.

Let’s start! Here is the associative PHP array:

// Our associative array
$arrMembers = array(
	'Red'=>'ff0000',
	'Green'=>'00ff00',
	'Blue'=>'0000ff',
	'Yellow'=>'ffff00'
);

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How To Change The Color Scheme In Aptana Studio

Aptana Studio is a great tool for web-development. It offers you a wide range of features. One of this features is syntax-highlighting of sourcecode, which means that different parts of the sourcecode will be displayed with different colors, which makes it easier to read the sourcecode. However, if you don’t like the default theme with … Read moreHow To Change The Color Scheme In Aptana Studio

PHP: Get A Random Item From An Array

In PHP it’s easy to work with arrays. Just declare someting like this:

<?php
$arrX = array("Kay", "Joe","Susan", "Frank");
?>

Now you can access the values with their index (which starts a 0 for the first item).

<?php
// output "Kay"
echo $arrX[0];
 
// output "Susan"
echo $arrX[2];
?>

PHP offers you several ways to get a random value of the array. One simple way is by using the array_rand() function. array_rand() expects the array as a parameter and returns a random index value as integer which then can be used to get the array value.

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How to insert special characters like &, < and > into a JSF component

If you want to insert a character like & e.g. within a JSF (Java Server Faces) component’s value attribute, you might get an error. To avoid this you must insert a HTML-Entity for the character. Here is a short list for common characters which you might need to replace in your JSF component. Character Entity … Read moreHow to insert special characters like &, < and > into a JSF component