PHP Variable Functions
PHP Variable functions are used to assign a function's name to a variable. In this current PHP tutorial, we will study about that, how to declare php variable functions, how to assign, how to call via a variable and how to pass values.
PHP Variable functions are used to assign a function's name to a variable. In this current PHP tutorial, we will study about that, how to declare php variable functions, how to assign, how to call via a variable and how to pass values.PHP Variable Functions:
Learn PHP Variable Function means that if a variable name has a format like this $var(), PHP will consider this as a variable function and will look for a function with a name which is assigned to it, and will try to execute it.
This variable function does not work with echo(), print(), unset() etc language constructs.
PHP Example:/strong>
<?php
function fun()
{
echo "This is an example";
}
function disp($var){
echo "<br/>Value is:".$var;
}
$f='fun';
$f();
$f='disp';
$f('New Val');
?>
Output:
This is an exampleValue is:New Val
