Try this for a simple way to echo a variable in the midst of your html:
{code type=php}
{/code}
You can also use this to show the return value of a function:
{code type=php}
{/code}
This requires the php directive short_open_tag to be set to 1 (done via php.ini or .htaccess). Most hosts will have this set to 1 by default although there are some that will stop this altogether – keep this in mind if your code is to be widely used.
If you want to make sure your text is nicely formatted there are a couple of tricks using PHP that can help you. Changing the case of your words is one useful feature, that can be achieved with the functions in the following example. {code type=php} echo strtoupper(‘abc’); # outputs: ABC echo strtolower(‘ABC’); # outputs:…
An excellent alternative method to assigning string variables is to use the heredoc syntax. If you are assigning long strings of text with characters that need escaping, try this: To me, it looks a bit messy at first, but it does make large chunks of text more readable in your code. Consider this alternative to…
A simple but valuable feature of dynamic websites is displaying the current date and time. With PHP, this is easy to do with the date() and time() functions and is a great way for beginners to get their feet wet: Sometimes it is not sufficient to display the time in just your local time zone….
If you are developing PHP code for a website you might sometimes want to check which version of Apache or PHP will be running the website. This is particularly true if you use some functionality that was included at a particular revision of the software or if you want to avoid security holes that were…
There are a few other methods that you can use to hide your usage of PHP from visitors to your website. Another trick is to use filenames without extensions and then tell Apache to process them as a PHP file. This can be done easily by amending your .htaccess file to include the following lines:…
REGISTER_GLOBALS is a PHP directive that, when enabled, automatically initialises variables with the values from forms, sessions, GET etc. For example, the data in a login form with the input fields named “username” and “password” will automatically be available as $username and $password. REGISTER_GLOBALS is, in my opinion, very bad practice and should be avoided…
