The PHPTemplate system in Drupal is a powerful theming system. However, because it is written in PHP it is easy to abuse since it is possible to directly inject PHP logic into the templates. This often creates the effect of HTML-IN-PHP which is not good.
HTML-IN-PHP:
<?php
print '<h2 class="title">'. $title .'</h2>';
?>PHP-IN-HTML:
<h2 class="title">
<?php print $title ?>
</h2>Which do you think a themer who understands HTML/CSS will understand better? Of course the second, because it is mostly HTML and the themer can modify the HTML tags quite easily.
Another example of this is with logic statements.
HTML-IN-PHP:
<?php
global $user;
if ($user->uid) { ?>
<h2 class="title">You are now logged in!</h2>
<?php } ?>PHP-IN-HTML
<?php global $user; ?>
<?php if ($user->uid): ?>
<h2 class="title">You are now logged in!</h2>
<?php endif; ?>See how the second example is easier to read? It's also broken up into small pieces that a themer can move around quite easily. Having open and closing braces for an if statement is really hard to follow. But if(conditional): and endif; statements are easy to read, and "chunkify" or "modularize" the text in a clear way.
<?php if ($test == TRUE): ?>
<!-- Block of HTML to printout if TRUE -->
<?php endif; ?>The last thing that can make your life and the themer's life easier is to pass variables to the template files using phptemplate_variables. A tpl.php really should be mostly simple conditional statements and print statements. If you have PHP code spanning multiple lines or are working with arrays or something, you can probably pull that code out of the tpl.php and put it in template.php.
Example Node.tpl.php with too much PHP
<?php
if ($node->field_related[0]['nid']) {
$related_cck_node = node_load($node->field_related[0]['nid']);
print '<div class="related-cck-link">';
print l($related_cck_node->title, 'node/' . $related_cck_node->nid);
print '</div>';
}
?>Why is all that logic in the tpl.php? You can move that out into template.php.
Using Template.php to add variables to your tpl.php files
<?php
function _phptemplate_variables($hook, $vars = array()) {
switch($hook){
case 'node':
if ($vars['node']->field_related[0]['nid']) {
$related_cck_node = node_load($vars['node']->field_related[0]['nid']);
$vars['related_cck_link'] = l($related_cck_node->title, 'node/' . $related_cck_node->nid);
}
break;
}
return $vars;
}
?>Now the node.tpl.php file will get a new variable called $related_cck_link which you can easily print out.
Example Node.tpl.php file with logic removed
<?php if ($related_cck_link): ?>
<div class="related-cck-link">
<?php print $related_cck_link ?>
</div>
<?php endif; ?>I'm thinking if what would be the design i will create in making my personal site. As a beginner I'm collecting and searching online on design tutorial, of course step by step i should say. I'm interested in this post and i know i can apply this one someday. thanks a lot for this post.
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I love working with Chapter Three. They are THE Drupal experts and have helped 7x7 and California Home+Design with everything from troubleshooting sticky bugs to designing and building out entire sites. They understand both our editorial and business needs and have delivered top-notch products that satisfy both.
Jennifer Pollock, Online Managing Editor, 7x7 and California Home + Design
I'm building out a site using views and gmaps. I have three tabs on the info window and need different info from the node to populate the tabs.
I think this will point me in the right direct if it will work with views as well
as a node.
Thank you,
Evo/