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{block}creates 2sets of code in .tpl.php(1st w content=NULL)

 
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vorapoap
Smarty Rookie


Joined: 22 Dec 2009
Posts: 32
PostPosted: Fri Dec 17, 2010 4:51 pm    Post subject: {block}creates 2sets of code in .tpl.php(1st w content=NULL) Reply with quote
Here is the sample code.. I registerPlugin for block call json
Code:

public function _block_json($params, $content) {
      if ($content == NULL) return;
      if ($params['assign']) {
         $assign = $params['assign'];
      } else {
         list($assign) = array_keys($params);
      }
      $json = json_decode($content);
   $this->assign($assign, $json);
   }


In .tpl

Code:

{json assign=groupForm}
[
   { "name":"group_name","type":"text" },
   { "name":"group_tag","type":"text" }
]
{/json}


There is one block call in above .tpl
However, in the final .tpl.php
There are 2 calls making to this _block_json function in run-time
The first one with $content = NULL
The second one with $content = actual content.

Code:

<?php $_smarty_tpl->smarty->_tag_stack[] = array('json', array('assign'=>'groupForm')); $_block_repeat=true; $_smarty_tpl->smarty->registered_plugins['block']['json'][0][0]->_block_json(array('assign'=>'groupForm'), null, $_smarty_tpl, $_block_repeat);while ($_block_repeat) { ob_start();?>

[
   { "name":"group_name","type":"text" },
   { "name":"group_tag","type":"text" }
]
<?php $_block_content = ob_get_clean(); $_block_repeat=false; echo $_smarty_tpl->smarty->registered_plugins['block']['json'][0][0]->_block_json(array('assign'=>'groupForm'), $_block_content, $_smarty_tpl, $_block_repeat); } array_pop($_smarty_tpl->smarty->_tag_stack);?>



^^See the second line with null as a second parameter

$_smarty_tpl->smarty->registered_plugins['block']['json'][0][0]->_block_json(array('assign'=>'groupForm'), null, $_smarty_tpl, $_block_repeat);while ($_block_repeat) { ob_start();?>
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U.Tews
Administrator


Joined: 22 Nov 2006
Posts: 5068
Location: Hamburg / Germany
PostPosted: Fri Dec 17, 2010 5:15 pm    Post subject: Reply with quote
Read the documentation

http://www.smarty.net/docs/en/plugins.block.functions.tpl

It's intended behaviour. Block functions get call twice, once at the opening tags and second on the closing tag.
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vorapoap
Smarty Rookie


Joined: 22 Dec 2009
Posts: 32
PostPosted: Mon Dec 20, 2010 7:15 pm    Post subject: Reply with quote
Oh. I kept being ignorance about this!

Thank you again!
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