withinweb

Matching Patterns
The preg_match() function performs Perl-style pattern matching on a string. preg_match() takes two basic and three optional parameters. These parameters are, in order, a regular expression string, a source string, an array variable which stores matches, a flag argument and an offset parameter that can be used to specify the alternate place from which [...]

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Digital goods or electronic goods or digital products are anything you can sell that is in a digital format. The types of products include ebooks, software, website templates, music, videos, licence codes, ringtones, apps are just a few. The upfront costs of creating digital goods is tiny so it can be a great way for [...]

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In programming you quite often want to test a string for the occurrence of a character or group of characters.  This is particularly true for such things as data validation on form input boxes.  Regular expressions provide a pattern matching facility.
This tutorial gives a brief overview of basic regular expression syntax and then considers the [...]

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Create user interfaces quickly using Twitter Bootstrap – requires HTML5 and css3 capable browser.
http://twitter.github.com/bootstrap/components.html This page shows the various components that are available.

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Here are some of the basic syntax for using PDO Objects.
The advantage of PDO objects is that you pass your variables into the SQL function using prepared statements.
Prepared statements are what are termed paramatised queries when working with program languages like Microsoft dot.net and
provide a way to prevents sql injection into databases.
SQL FETCH
<?php
$dbh = new [...]

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When it comes to SEO, most people understand that a Web site must have content, “search engine friendly” site architecture/HTML, and meta data such as title tags, graphic alt tag tags and so on.
However, some web sites totally disregarded the robots.txt file. When optimizing a Web site: don’t disregard the power of this little text [...]

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There is a difference in the way that PHP handles single and double quote marks when using the echo statement.
For example :
$var = ‘test’;
The statements echo(‘$var’); and echo(“$var”); will generate different results.
echo “\$var is equal to $var”;
will display $var is equal to test
While :
echo ‘\$var is equal to $var’;
will display
\$var is equal to $var.
In the [...]

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PHP 5.2.0 onwards has the filter_var function which can be used to validate many different inputs.
To validate an email address :
<?php
//Validate an email address in PHP 5.2.0 onwards
$email_address = “me@example.com”;
if (filter_var($email_address, FILTER_VALIDATE_EMAIL)) {
// The email address is valid
} else {
// The email address is not valid
}
?>

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Here is quite a useful function for producing or saving only the date part of the smalldatetime datatype.
This can be useful if you only need to store the date or you need to group some results by date only.
SelectConvert([smalldatetime],floor(Convert([float],getdate(),(0))),(0))

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Take the survey to tell us what type of digtial content you are selling or about to sell.
This is an on going survey – we publish the results every month to see if there are any changes in trends.
The survey is located on the right hand side of the page http://www.withinweb.com/phpeseller/index.php
When you make a vote, [...]

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