Developer Sandbox

'For' loop optimisation
Optimising loops is key to ensure complex programs are as efficient as possible.

Initialise variables on post data
Post data is usually passed into a PHP script from a HTML form using the Superglobal arrays, like $_POST and $_GET.

Generate XML schema for SQL command
This function allows for the generation of an XML compatible schema from MySQL commands.

Merge arrays
PHP offers its own function for merging arrays, however, this function will result in data duplication.