renderer.php

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<?php
class Renderer {
    private $r = NULL;          
    private $c = NULL;          
    private $rc = "";           
    function __construct($id_renderer, $id_container) {
        /* pre-fetch renderer and container */
        $this->r = $this->getRenderer($id_renderer);
        if (!is_null($id_container)) { $this->c = $this->getRenderer($id_container); }
    }

    public function appendRendered($cnt) {
        if (is_null($this->r)) { return; }
        $r = $this->r;
        foreach ($cnt as $key => $value) {
            $r = ereg_replace("@" . $key . "@", $value, $r);
        }
        $this->rc .= $r;
    }

    private function getRenderer($id) {
        $res = mysql_query("SELECT renderer FROM renderers WHERE id = " . $id);
        $line = mysql_fetch_assoc($res);
        mysql_free_result($res);
        return $line['renderer'];
    }

    public function getRendered() {
        if (is_null($this->c)) {
            return $this->rc;
        } else {
            return ereg_replace("@CONTENT@", $this->rc, $this->c);
        }
    }
 }
?>

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