CODEWITHSUNDEEP
phpsmarty
MrvXX
MrvXX

Reputation: 41

How to call a variable combined from 2 strings

I have this:

string {$one} = "$hello_"
string {$two} = "world"

How can I call the variable $hello_world from the above two string variables? capture did not work for me.

Uses Smarty v2.5

Upvotes: 2

Views: 1802

Answers (3)

eykanal
eykanal

Reputation: 27017

From the documentation:

{$foo_{$x}}  // will output the variable $foo_1 if $x has a value of 1.

So, you want:

{${$one}{$two}}

Since this functionality isn't allowed, I would recommend using a smarty plugin to mimic the behavior you want. Template plugins are just simple php functions, called via the $smarty->loadPlugin() method.

Upvotes: 1

Nicole
Nicole

Reputation: 33197

Smarty 2.x doesn't support variable variables.

Variables in smarty are actually stored inside the smarty object so you'd need explicit support in Smarty to use the convenient standard variable-variable syntax.

The following is the best I could come up with in Smarty 2.x. It uses a PHP block to store the value of the combined result for you.

{assign var="one" value="hello_"}
{assign var="two" value="world"}
{assign var="hello_world" value="HELLO!"}

{php}
    $varname = $this->get_template_vars('one').$this->get_template_vars('two');
    $this->assign('result', $this->get_template_vars($varname));
{/php}

{$result}

As mentioned, however, you have to get rid of the $ at the beginning of the value of $one. Otherwise you will need to modify it to the following line:

$varname = substr($this->get_template_vars('one'),1).$this->get_template_vars('two');

Upvotes: 0

rodneyrehm
rodneyrehm

Reputation: 13557

{${$foo}{$bar}} will only work in Smarty3, though. In Smarty2 you'd have to write a plugin for that (or simply search the smarty forum, as there are plenty of solutions there…)

Upvotes: 1

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