constant() will return the value of the
constant indicated by name.
constant() is useful if you need to retrieve
the value of a constant, but do not know its name. i.e. It is
stored in a variable or returned by a function.
Example 1. constant() example
<?php
define("MAXSIZE", 100);
echo MAXSIZE; echo constant("MAXSIZE"); // same thing as the previous line
constant php code on this is provided for your study purpose, it will guide you to know how create and design a website using php. use it to practice and train your self online
Php constant syntax tutorial
php tutorial guide and code design are for easy learning and programming. The code practice section provided at the top is for practising of this syntax. Use the code section up to practice your php programming online. Learning php is very easy, all you need is to use the examples on this site and practice them to perfect your skills.