<?php 
  
/**
 * Like get_template_part() put lets you pass args to the template file
 * Args are available in the tempalte as $template_args array
 * @param string filepart
 * @param mixed wp_args style argument list
 */
 function hm_get_template_part( $file, $template_args = array(), $cache_args = array() ) {
  $template_args = wp_parse_args( $template_args );
  $cache_args = wp_parse_args( $cache_args );
  if ( $cache_args ) {
      foreach ( $template_args as $key => $value ) {
          if ( is_scalar( $value ) || is_array( $value ) ) {
              $cache_args[$key] = $value;
          } else if ( is_object( $value ) && method_exists( $value, 'get_id' ) ) {
              $cache_args[$key] = call_user_method( 'get_id', $value );
          }
      }
      if ( ( $cache = wp_cache_get( $file, serialize( $cache_args ) ) ) !== false ) {
          if ( ! empty( $template_args['return'] ) )
              return $cache;
          echo $cache;
          return;
      }
  }
  $file_handle = $file;
  do_action( 'start_operation', 'hm_template_part::' . $file_handle );
  if ( file_exists( get_stylesheet_directory() . '/' . $file . '.php' ) )
      $file = get_stylesheet_directory() . '/' . $file . '.php';
  elseif ( file_exists( get_template_directory() . '/' . $file . '.php' ) )
      $file = get_template_directory() . '/' . $file . '.php';
  ob_start();
  $return = require( $file );
  $data = ob_get_clean();
  do_action( 'end_operation', 'hm_template_part::' . $file_handle );
  if ( $cache_args ) {
      wp_cache_set( $file, $data, serialize( $cache_args ), 3600 );
  }
  if ( ! empty( $template_args['return'] ) )
      if ( $return === false )
          return false;
      else
          return $data;
  echo $data;
}
?>