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Here is a  list of tips and tricks you can use during developing/integrating HostBill templates.

Controlling Smarty library behaviour through config.php file

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HostBill configuration file (includes/config.php) allows to override some Smarty library settings, without the need to modify underlying library code. Following settings can be overrided:

1. Security settings → PHP_TAGS (ref: https://www.smarty.net/docsv2/en/variable.security.settings.tpl )
   To enable use of Smarty {php} tags, add following to bottom of includes/config.php file:
   
   

   Code Block
   language php
   $config['Smarty.PHP_TAGS']=true;

   
   

   
   

2. Trusted directories - to be used with {include_php} tag - (ref: https://www.smarty.net/docsv2/en/variable.trusted.dir.tpl )
   To provide array containing list of trusted directories, add  to bottom includes/config.php file:
   
   

   Code Block
   language php
   $config['Smarty.trusted_dir']=[ '/path/to/first/trusted/directory/', '/path/to/another/trusted/directory/' ];

   
   

3. PHP handling - how Smarty should react php code (within <?php ?> tags) - (ref: https://www.smarty.net/docsv2/en/variable.php.handling.tpl )
   Set value below in includes/config.php:
   
   

   Code Block
   language php
   $config['Smarty.php_handling']=3;

   
   

   Following values are available:

   • 0 - Smarty echos tags as-is (default)

   • 1 - Smarty quotes the tags as html entities
   • 2 - Smarty removes the tags from the templates
   • 3 - Smarty will execute the tags as PHP code

Template cache

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Sometimes your changes are not displayed immediately after modifying tpl file. To make it work you can:

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If you're working on new template in separate directory under /templates [ex. /templates/myintegration/ ]dir you don't need to change your current template just to preview your changes. You can add &systemtemplate=myintegration param to url just to change current template for your session. Note: You need to be logged in as administrator to do this.

Debugging template

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When you've made mistake in Smarty syntax you wont be able to see your template (it will render blank) - you can enable error reporting in /includes/config.php file of your HostBill to locate where error has been made.

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