It is quite easy nowadays to get your web site indexed by Google by signing up to Google Webmasters and submitting an XML sitemap. Within a day or two Google will have indexed your pages, or at least some of …
How long does it take for a new web site to appear in Google? Read more »
When installing MySQL onto a Raspberry Pi, you may receive an error which can be very difficult to identify. The installation may fail and the MySQL server will not start. This could be an issue to do with the SD …
Suppose that you have installed XAMPP at c:\xampp This will mean you place your web files at C:\xampp\htdocs Now you want to start developing your project, so what you could do is copy all your files to the C:\xampp\htdocs or …
Adding a virtual directory (folder) to Apache XAMPP or similar application Read more »
If you have a Raspberry Pi 2 you will be have PHP 5.4 installed. If you want to upgrade to PHP 5.6 or whatever is the latest version, you will have to download the source files, and compile the application. …
There appears to be quite a bit of chat about the changes that PayPal are making to their system to allow SHA-256 during September 2015. This is to do with improving the SSL (Secure Socket Layer) security and is used …
PayPal upgrade to Certificate which may affect IPN based programs and scripts Read more »
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This listing of the differences between PHP4 and PHP 5 is is probably something that is quite common, but it is always worth a review. PHP5 is a lot different than PHP4 with the main differences being in how it …
PHP’s preg_split() function enables you to break a string apart basing on something more complicated than a literal sequence of characters. When it’s necessary to split a string with a dynamic expression rather than a fixed one, this function comes …
Replacing Patterns In the examples in Part 2, we have searched for patterns in a string, leaving the search string untouched. The preg_replace() function looks for substrings that match a pattern and then replaces them with new text. preg_replace() takes …
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 …
