PHP template engine for emailing form results.

lionback_template.php

// PHP template engine for emailing form results.

class LionbackTemplate{
  
  function LionbackTemplate($template,$data){
    $this->template=$template;
    $this->data=$data;
  }
  
  function render(){
    $content = file_get_contents($this->template);
    $out = preg_replace_callback('/\{\{([^}]+)\}\}/',array(&$this,'render_value_callback'),$content);
    return $out;
  }
  
  function render_value_callback($match){
    $name = $match[1];
    $value = $this->data[$name];

    if(strpos($name,'_checkbox')>0){
      if($value!=''){
        return '<input type="checkbox" checked="True" name="y" value="Y">';
      }else{
        return '<input type="checkbox">';
      }
    }elseif(strpos($name,'_radio_')>0){
      list($name,$key) = explode('_radio_',$name);
      $value = $this->data[$name];
      $checked = $key == $value ? 'checked' : '';
      return '<input type="radio" '.$checked.'>';
    }else{
      return '<span style="text-decoration:underline;">'.htmlspecialchars($value).'</span>';
    }
    
  }
}