Parse global vars within entries in EE 1.x. (Probably could be cleaner, but it'll work for today.)

ext.entry_global_vars_ext.php

<?php if ( ! defined('EXT')) exit('Invalid file request');
// ini_set('error_reporting',E_ALL);

/**
 * Entry Global Vars
 * 
 * Parse global variables used in your weblog entries.
 *
 * @package EntryGlobalVars
 * @version 1.0.0
 * @author Erik Reagan http://focuslabllc.com
 * @copyright Copyright (c) 2011 Focus Lab, LLC
 */


class Entry_global_vars_ext {
	
	private  $settings       = array();
	
	public   $name           = 'Entry Global Vars';
	public   $version        = '1.0.0';
	public   $description    = 'Parse global variables in weblog entries';
	public   $settings_exist = 'n';
	public   $docs_url       = '';
	
	
	
	
	/**
	 * PHP4 Constructor
	 *
	 * @access   public
	 * @see      __construct()
	 */
	public function Entry_global_vars_ext($settings='')
	{
		$this->__construct($settings);
	}
	// End function Entry_global_vars_ext()
	
	
	
	
	/**
	 * PHP 5 Constructor
	 *
	 * @access  public
	 * @param	array|string  Extension settings associative array or an empty string
	 */
	public function __construct($settings='')
	{
		$this->settings = $settings;
	}
	// End function __construct()
	
	
	
	
	/**
	 * Activates the extension
	 *
	 * @access     public
	 * @return     bool
	 */
	public function activate_extension()
	{
		global $DB;
		
		$hooks = array(
			// 'weblog_entries_query_result' => 'weblog_entries_query_result',
			'weblog_entries_tagdata_end'  => 'weblog_entries_tagdata_end'
		);
	
		foreach ($hooks as $hook => $method)
		{
			$sql[] = $DB->insert_string('exp_extensions',
				array(
					'extension_id' => '',
					'class'        => __CLASS__,
					'method'       => $method,
					'hook'         => $hook,
					'settings'     => '',
					'priority'     => 10,
					'version'      => $this->version,
					'enabled'      => "y"
				)
			);
		}
		
		// run all sql queries
		foreach ($sql as $query)
		{
			$DB->query($query);
		}
		
		return TRUE;
	}
	// End function activate_extension()
	
	
	
	
	/**
	 * Update the extension
	 *
	 * @access     public
	 * @param      string
	 * @return     bool
	 */
	public function update_extension($current='')
	{
		global $DB;
		
		if ($current == '' OR $current == $this->version)
		{
			return FALSE;
		}
		
		$DB->query("UPDATE exp_extensions SET version = '".$DB->escape_str($this->version)."' WHERE class = '".__CLASS__."'");
	}
	// End function update_extension()
	
	
	
	
	/**
	 * Disables the extension the extension and deletes settings from DB
	 * 
	 * @access     public
	 */
	public function disable_extension()
	{
		global $DB;
		$DB->query("DELETE FROM exp_extensions WHERE class = '".__CLASS__."'");
	}
	// End function disable_extension()
	
	
	
	
	/**
	 * Manipulate query results
	 * 
	 * NOTE: Note used. weblog_entries_tagdata_end benchmarked a little
	 * faster than this one so we opted for that. Code left in tact but
	 * commented out.
	 *
	 * @access     public
	 * @return     object
	 */
	// public function weblog_entries_query_result($weblog, $query)
	// {
	// 	global $EXT, $IN;
	// 
	// 	if($EXT->last_call !== FALSE)
	// 	{
	// 		$query = $EXT->last_call;
	// 	}
	// 		
	// 	$globals = array();
	// 	foreach ($IN->global_vars as $var => $value) {
	// 		$globals['/{'.$var.'}/'] = $value;
	// 	}
	// 		
	// 	foreach ($query->result as $id => $entry) {
	// 		foreach ($entry as $var => $value) {
	// 			if (substr($var, 0, 9) == 'field_id_')
	// 			{
	// 				$query->result[$id][$var] = preg_replace(array_keys($globals),array_values($globals), $value);
	// 			}
	// 		}
	// 	}
	// 
	// 	return $query;
	// 
	// }
	// End function weblog_entries_query_result()
	
	
	
	
	/**
	 * Manipulate tagdata results parsing global variables
	 *
	 * @access     public
	 * @return     object
	 */
	public function weblog_entries_tagdata_end($tagdata, $row, $weblog)
	{
		global $EXT, $IN;
	
		if($EXT->last_call !== FALSE)
		{
			$tagdata = $EXT->last_call;
		}
		
		$globals = array();
		foreach ($IN->global_vars as $var => $value) {
			$globals['/{'.$var.'}/'] = $value;
		}
		
		return preg_replace(array_keys($globals),array_values($globals), $tagdata);
	
	}
	// End function weblog_entries_tagdata_end()
	
}
// END class

/* End of file ext.entry_global_vars_ext.php */
/* Location: ./system/extensions/ext.entry_global_vars_ext.php */