Drupal template.php file

template.php

<?php
/**
 * Include our template.whatever.php files
 */
$theme_path = drupal_get_path('theme', 'your_theme');
// Specify the path to our template.php files
// I decided that my template.php files will
// reside in a folder named "php"
$filePath = "$theme_path/php";
// Open the directory
$dir = opendir($filePath);
while ($file = readdir($dir)) {
  // require all files that end with a .php extension.
  if (preg_match('/\.php/',$file)) { 
    require_once "$theme_path/php/$file";
  }
}
?>