PHP Variable variables
This PHP tutorial describes about variable variables in PHP. Learn how to declare & how to use in class user variable variable in PHP etc.
This PHP tutorial describes about variable variables in PHP. Learn how to declare & how to use in class user variable variable in PHP etc.PHP Variables variable:
Variables variable is a new kind of technique of using variables, in this technique we need to use more than one variable and we can use those variables dynamically.
As in the following examples we can see the use of variable variable both in general use as well as in OOP concept.
PHP Variables Variable Example:
<?php
$a="Rose";
$$a="India";
echo "$a ${$a}";
?>
Output:
Rose India
Example:
<?php
class foo
{
var $is="This is inside the class";
}
$is="variable";
$o=new foo;
$m="my variable";
echo $o->is."<br/>";
$bas=array('this','is','outside');
echo $o->$bas[1]."<br/>";
$o->m;
?>
Output:
This is inside the class
This is inside the class
