PHP Classes

Template parser: Template engine with tags defined by another class

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Version License PHP version Categories
template-parser 1.2GNU Lesser Genera...4.0Templates
Description 

Author

Roger Baklund

This class implements a template engine with tags defined by another class.

It can parse a template and extract the names of tag functions defined within tags delimiter characters.

The parser class calls a separate handler class with functions with the same of of the template tags to return the processed tag output.

The template parser class returns the processed template as a string.

The tag delimiter characters can be customized.

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Name: Roger Baklund <contact>
Classes: 7 packages by
Country: Norway Norway

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Example

<?php
error_reporting(E_ALL);
ini_set('display_errors',1);

include('template_parser.class.php');

class MyResolver { # simple demo resolver
  function __construct() {
    $this->date_format = 'Y-m-d';
  }
  function this($data) {
    return $this->$data;
  }
  function php($data) {
    ob_start();
    eval($data);
    $out = ob_get_contents();
    ob_end_clean();
    return $out;
  }
  function upper($data) {
    return strtoupper($data);
  }
  function date_format($data) {
    $this->date_format = $data;
  }
  function date($data) {
    if(!$data) $data = 'now';
    return date($this->date_format,strtotime($data));
  }
}

$s = <<<'EOD'
<div><?date_format d/m-Y?>
<p>Hello <?php $a = "world"; echo $a; ?>, today is <?date?>, yesterday was <?date yesterday?></p>
<p><?upper How do you do??></p>
<p>You can <?upper nest <?php echo 'tags';?> within ?>other tags,
   even within <?php echo '<?upper php?> strings!';?></p>
<p>Because all the resolvers are within the same class,
   they can <?php echo $this->upper('access eachother');?>.</p>
<p>The current date format is '<?this date_format?>'</p>
</div>
EOD;

echo '<pre>'.htmlspecialchars($s)."\n\n -----> \n\n";
$tp = new template_parser(new MyResolver(),'<?','?>',' ');
echo htmlspecialchars($tp->parse($s));
echo '</pre>';
?>

  Files folder image Files (2)  
File Role Description
Plain text file template_parser.class.php Class The main class
Plain text file test_template_parser.php Example Test/demo for template parser

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