mutiple image uplaod

 custome_block.module

<?php

/**
 * Implements hook_block_info().
 */
function custom_block_block_info() {
  $blocks = array();
  $blocks['my_block'] = array(
    'info' => t('My Custom Block'),
  );

  return $blocks;
}

/**
**
 * Implements hook_block_configure().
 */
function custom_block_block_configure($delta='') {
  $form = array();

  switch($delta) {
    case 'my_block' :
      // Text field form element
      $form['text_body'] = array(
        '#type' => 'text_format',
        '#title' => t('Enter your text here in WYSIWYG format'),
        '#default_value' => variable_get('text_variable', ''),
      );

      // File selection form element
      $form['file'] = array(
        '#name' => 'block_image',
        '#type' => 'managed_file',
        '#title' => t('Choose an Image File'),
        '#description' => t('Select an Image for the custom block.  Only *.gif, *.png, *.jpg, and *.jpeg images allowed.'),
        '#default_value' => variable_get('block_image_fid', ''),
        '#upload_location' => 'public://block_image/',
        '#upload_validators' => array(
          'file_validate_extensions' => array('gif png jpg jpeg'),
        ),
      );
      break;
  }
  return $form;
}

/**
 * Implements hook_block_save().
 */
function custom_block_block_save($delta = '', $edit = array()) {
  switch($delta) {
    case 'my_block' :
      // Saving the WYSIWYG text     
      variable_set('text_variable', $edit['text_body']['value']);

      // Saving the file, setting it to a permanent state, setting a FID variable
      $file = file_load($edit['file']);
      $file->status = FILE_STATUS_PERMANENT;
      file_save($file);
      $block = block_load('custom_block', $delta);
      file_usage_add($file, 'custom_block', 'block', $block->bid);
      variable_set('block_image_fid', $file->fid);
      break;
  }
}


/**
 * Implements hook_block_view().
 */
function custom_block_block_view($delta='') {
  $block = array();

  switch($delta) {
    case 'my_block' :
      $block['content'] = my_block_view();
      break;
  }

  return $block;
}

/**
 * Custom function to assemble renderable array for block content.
 * Returns a renderable array with the block content.
 * @return
 *   returns a renderable array of block content.
 */
//function my_block_view() {
//  $block = array();
//
// 
// 
//  // Capture the image file path and form into HTML with attributes
//  $image_file = file_load(variable_get('block_image_fid', ''));
//  $image_path = '';
//
//  if (isset($image_file->uri)) {
//    $image_path = $image_file->uri;
//  }
//
//  $image = theme_image(array(
//    'path' => ($image_path),
//    'alt' => t('Image description here.'),
//    'title' => t('This is our block image.'),
//    'attributes' => array('class' => 'class_name'),
//  ));
//
//  // Capture WYSIWYG text from the variable
//  $text = variable_get('text_variable', '');
//
//  // Block output in HTML with div wrapper
//  $block = array(
//    'image' => array(
//      '#prefix' => '<div class="class_name">',
//      '#type' => 'markup',
//      '#markup' => $image,
//    ),
//    'message' => array(
//      '#type' => 'markup',
//      '#markup' => $text,
//      '#suffix' => '</div>',
//    ),
//  );
//
//  return $block;
//}


//function my_block_view($delta = ''){
//    $block = array();
//   switch ($delta) {
//    case 'slider_custom_block':
//      $block['subject'] = '';
//      $block['content'] = _bannerblocks_slider();
//      break;
// 
//  }
//  return $block;
//}


function my_block_view() {
   
    $image_file = file_load(variable_get('block_image_fid', ''));
  $image_path = '';

  if (isset($image_file->uri)) {
    $image_path = $image_file->uri;
  }
  $image = theme_image(array(
    'path' => ($image_path),
  ));

//  var_dump($image);
//  exit();
  // Capture WYSIWYG text from the variable
  $text = variable_get('text_variable', '');
     
    $bannerHtml='';
   $bannerHtml.='<div class="container-fluid">';
     $bannerHtml.='<div id="carousel-example-generic" class="carousel slide" data-ride="carousel">';
              
                $bannerHtml.='<ol class="carousel-indicators">';
                    $bannerHtml.='<li data-target="#carousel-example-generic" data-slide-to="0" class="active"></li>';
                    $bannerHtml.='<li data-target="#carousel-example-generic" data-slide-to="1"></li>';
                    $bannerHtml.='<li data-target="#carousel-example-generic" data-slide-to="2"></li>';
                    $bannerHtml.='<li data-target="#carousel-example-generic" data-slide-to="3"></li>';
                $bannerHtml.='</ol>';

                $bannerHtml.='<div class="carousel-inner">';
               
               
                    $bannerHtml.='<div class="item active">';
                    $bannerHtml.='<img src="'.base_path() . path_to_theme().'/images/banner1.jpg" alt="">';
                   $bannerHtml.='</div>';
                                    
                    $bannerHtml.='<div class="item">';
                    $bannerHtml.=$image;
                    $bannerHtml.='</div>';               
                    $bannerHtml.='<div class="item">';
                    $bannerHtml.='<img src="'.base_path() . path_to_theme().'/images/banner2.jpg" alt="">';
                    $bannerHtml.='</div>';
                   
                   
                    $bannerHtml.='<div class="item">';
                    $bannerHtml.='<img src="'.base_path() . path_to_theme().'/images/banner4.jpg" alt="">';
                    $bannerHtml.='</div>';
                   
              

                $bannerHtml.='</div>';
                $bannerHtml.='<a href="#" class="download-banner-pdf"><div class="carousel-caption downloder">';
                    $bannerHtml.='<div class="d_tag">';
                        $bannerHtml.='<p>';
                            $bannerHtml.='<span class="download-tag1">download guide</span><span class="download-tag2">: how to<br />';
                            $bannerHtml.='file a successful long term<br />';
                             $bannerHtml.='care insurance claim</span>';
                           
                        $bannerHtml.='</p>';
                        $bannerHtml.='</div>';
                    $bannerHtml.='<div class="d_image">';
                   
                       $bannerHtml.='<img src="'.base_path() . path_to_theme().'/images/downloader.png" class="img-responsive" alt="">';
                    $bannerHtml.='</div>';
                        $bannerHtml.='</div>';

              
                $bannerHtml.='<a class="left carousel-control extra"  data-slide="prev">';

                     $bannerHtml.='<img id="left_carousel" src="'.base_path() . path_to_theme().'/images/prev.png" class="img-responsive" alt="">';
                  $bannerHtml.='</a>';
                  $bannerHtml.='<a class="right carousel-control extra"  data-slide="next">';

                       $bannerHtml.='<img id="right_carousel" src="'.base_path() . path_to_theme().'/images/next.png" class="img-responsive" alt="">';
                  $bannerHtml.='</a>';
            $bannerHtml.='</div>';
           
$bannerHtml.='</div>';
   
      return $bannerHtml;
}

=============
.info
name = custom block
description = Test banner images test
core = 7.x
package =Claim Jockey