Site 1 - rotate pic function v1 edit_7.25.13

<?php
/*
    * Functions file
    * Includes all necesary files
    *
    * @package custom
    */

ini_set('display_errors', 'On');
error_reporting(E_ALL);

function register_my_menus() {
     register_nav_menus(
       array(
         'primary-menu' = __( 'Primary Menu' ),
         'secondary-menu' = __( 'Secondary Menu' )
       )
     );
}
add_action( 'init', 'register_my_menus' );

function custom_widgets_init() {
    register_sidebar(
        array(
            'name' = 'Rotate Pics Sidebar',
            'id' = 'rotate_pics',
            'before_widget' = '<div',
            'after_widget' = '</div',
            'before_title' = '<h2 class="rounded"',
            'after_title' = '</h2',
        )
    );

    register_sidebar(
        array(
            'name' = 'Articles Sidebar',
            'id' = 'articles',
            'before_widget' = '<div',
            'after_widget' = '</div',
            'before_title' = '<h2 class="rounded"',
        'after_title' = '</h2',
        )
    );
}

// this function scans thru the directory received and loads the image
file // names into an array; Then returns a random name to the caller
// If no directory is passed it will use the default dir

function  GetImageName($DirName)
    {
     $Img = array();  // define array

     // jpg
     foreach (glob("$DirName/*.jpg") as $filename)
     {
      if (is_readable($filename))
        $Img[]  = $filename;  // found image file
     }

     // png
     foreach (glob("$DirName/*.png") as $filename)
     {
      if (is_readable($filename))
        $Img[]  = $filename;  // found image file
     }

     // gif
     foreach (glob("$DirName/*.gif") as $filename)
     {
      if (is_readable($filename))
        $Img[]  = $filename;  // found image file
     }

            $Imgcount = sizeof($Img) - 1; // the index is zero-based
            if ($Imgcount <= 0)
              return "/wp-content/themes/custom/img/rotatepics/pic1.jpg";
            else
            {
             $rand_image_ix = rand(0,$Imgcount);
             return $Img[$rand_image_ix];  // return name of image
            }
}


    // function to print the random image

function ShowRandomImg($size_x=300, $size_y=228)
    {
     $DirNm = "/wp-content/themes/custom/img/rotatepics";  // current
directory
     if (is_front_page() || is_page('contact') )
     {
      $DirNm = $DirNm  . "/contact";
      $ImgNm = GetImageName($DirNm);  // retrieve random image from
directory "contact"
     }
     elseif (is_page('references')
     {
      $DirNm = $DirNm  . "/references";
      $ImgNm = GetImageName($DirNm);  // retrieve random image from
directory "references"
     }
     elseif (is_page('services')
     {
      $DirNm = $DirNm  . "/services";
      $ImgNm = GetImageName($DirNm);  // retrieve random image from
directory
    "services"
     }
     else
     {
      $ImgNm = GetImageName($DirNm);  // retrieve random image from
current directory
     }

     // print image (or if preferred change to return
         $ImgPath = $DirNm . "/" . $ImgNm;
      echo "<img src=\"$ImgNm\" width=\"$size_x\" height=\"$size_y\"
    alt=\"$ImgNm\"> ";

     // return $DirNm.$ImgNm;  // use this to simply return the image path

}

?>