Division by zero in code

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I have been working on a site. It displays the following error,

Warning: Division by zero in
/home/sunshine/public_html/wp-content/themes/DailyDeal/index.php on
line 63

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Now I went to check the index.php file but on line 63 I have nothing but a closing brace (})

I would be very thankful if someone could point out the error here(I have tried deactivating all the plugins but the problem still holds).
Below is the complete index.php for the reference, 

<?php get_header(); ?>

<script type="text/javascript" >

var root_path_js = '<?php echo get_option('siteurl')."/";?>';

</script>

<script type="text/javascript" src="<?php bloginfo('template_directory'); ?>/library/js/jquery-ui-1.8.14.custom.min.js"></script>

<script type="text/javascript" src="<?php bloginfo('template_directory'); ?>/js/timer.js"></script>

<script type="text/javascript">

jQuery.noConflict();

    function a()

    {

        return false;

    }

    jQuery(function() { 

        jQuery( "#slider-range-min-var" ).slider({

            range: "min",

            value: jQuery("#sellsqlinfo1").val(),

            min:  0,

            max: jQuery("#noofcoupon1").val(),

            enable: false,

            slide: function( event, ui ) {

                jQuery("#amount").val("$"+ ui.value );

            }

        });

        jQuery( "#amount" ).val( "$" + jQuery( "#slider-range-min-var" ).slider( "value" ) );



    });

</script>

<?php

/* Mail To Friend BOF */

if($_POST['sendact']=='email_frnd') {

    require_once (TEMPLATEPATH . '/monetize/send_to_friend/email_friend_frm.php');exit;

}

/* Mail To Friend EOF */

/* Home Page Deal Display BOF */

global $wpdb,$deal_db_table_name;   

$postmeta_db_table_name = $wpdb->prefix."postmeta";

$post_db_table_name = $wpdb->prefix."posts";

$destination_path = site_url().'/wp-content/uploads/';

$args = array('numberposts' => 1,'meta_key' =>'is_expired' , 'meta_value' =>'0','post_status' => 'publish','post_type' => 'seller','meta_key' =>'status' , 'meta_value' =>'2' ,'orderby' => 'DESC');

$recent_posts = get_posts( $args );

if(mysql_affected_rows() > 0) { // 1st IF Condition BOF

    $post_large = bdw_get_images($destination_path.get_post_meta($post->ID,'file_name',true),'large');

    $post_images = bdw_get_images($destination_path.get_post_meta($post->ID,'file_name',true),'thumb'); ?>

    <div class="top_content">

<?php if (function_exists('dynamic_sidebar') && dynamic_sidebar('home_above')) { } else {  }?>

    </div>

<!-- top content #end -->

    <div class="box_header"></div>

    <div class="box_bg">

    <div class=" box_bottom">

<?php foreach( $recent_posts as $post ){  // foreach loop BOF

        if((get_post_meta($post->ID,'status',true) == 2) && (get_post_meta($post->ID,'is_expired',true) == 0)) { 

            deal_expire_process($post->ID); 

            $home_deal_id = $post->ID;

            global $home_deal_id;

            $coupon_website= get_post_meta($post->ID,'coupon_website',true);

            $owner_name= get_post_meta($post->ID,'owner_name',true);

            $our_price= get_post_meta($post->ID,'our_price',true);

            $current_price= get_post_meta($post->ID,'current_price',true);

            $sellsql = "select count(*) from $transection_db_table_name where post_id=".$post->ID." and status=1";

            $totdiff = $current_price - $our_price;

            $percent = $totdiff * 100;

            $percentsave = $percent/$current_price;

            $sellsqlinfo = $wpdb->get_var($sellsql);

            $date = get_post_meta($post->ID,'coupon_end_date_time',true);

            $tardate= date("F d, Y H:i:s",get_post_meta($post->ID,'coupon_end_date_time',true));

            $stdate= date("F d, Y H:i:s",get_post_meta($post->ID,'coupon_start_date_time',true));

            $tardate1= date("F d, Y",get_post_meta($post->ID,'coupon_end_date_time',true));

            if(get_post_meta($post->ID,'coupon_end_date_time',true) != "") {

                if(date("Y-m-d H:i:s") >= $tardate1 && get_post_meta($post->ID,'enddate',true) != '0' || (get_post_meta($post->ID,'no_of_coupon',true)==$sellsqlinfo)) {

                    if(get_post_meta($post->ID,'is_expired',true)== '0' || get_post_meta($post->ID,'is_expired',true)== '') {

                        update_post_meta($post->ID,'is_expired','1');

                    }

                }

            } else {

                if(get_post_meta($post->ID,'enddate',true) != '0' || (get_post_meta($post->ID,'no_of_coupon',true)==$sellsqlinfo)) {

                    if(get_post_meta($post->ID,'is_expired',true)== '0' || get_post_meta($post->ID,'is_expired',true)== '') {

                        update_post_meta($post->ID,'is_expired','1');

                    }

                }

            }

            $geo_longitude  = get_post_meta($post->ID,'geo_longitude',true);

            $geo_latitude  = get_post_meta($post->ID,'geo_latitude',true);

            $shhiping_address  = get_post_meta($post->ID,'shhiping_address',true);

            $coupon_type = get_post_meta($post->ID,'coupon_type',true);

            $no_of_coupon = get_post_meta($post->ID,'no_of_coupon',true); ?>

            <div class="content_left"> <a href="<?php the_permalink(); ?>">

<?php           if(get_post_meta($post->ID,'file_name',true) != "") { ?>

                    <img src="<?php echo templ_thumbimage_filter(get_post_meta($post->ID,'file_name',true),'&amp;w=330&amp;h=250&amp;zc=1&amp;q=80');?>" alt="" />

<?php           } else { ?>

                    <img src="<?php echo templ_thumbimage_filter(get_template_directory_uri()."/images/no-image.png",'&amp;w=330&amp;h=250&amp;zc=1&amp;q=80');?>" alt="" />

<?php           } ?>

            </a> </div>

            <div class="content_right">

                <span class="title_yellow">Today's Top Cruise Holiday Deal</span> 



                <h3><a href="<?php echo get_permalink($post->ID); ?>"><?php echo $post->post_title; ?></a></h3>

<?php               if(date("Y-m-d H:i:s")>= date("Y-m-d H:i:s",get_post_meta($post->ID,'coupon_end_date_time',true))){ 

                    if(get_post_meta($post->ID,'is_expired',true)=='1' || get_post_meta($post->ID,'no_of_coupon',true)==$sellsqlinfo) {

                        ?>

                    <div class="i_expire"><?php _e('This deal has','templatic');?><span><?php _e(' expired','templatic');?></span><?php _e('on','templatic');?>

                    <span><?php echo $tardate1;?></span></div>

<?php                   } 

                } else {

                    if(get_post_meta($post->ID,'coupon_end_date_time',true)){ ?>

                        <div id="demo" style="pointer-events:none; cursor:default;">

                            <div id="slider-range-min-var"  ></div>

                        </div>

                        <div class="deal_time_box">

                            <div class="time_line"></div>

                            <div id="countdowncontainer"></div>

                            <script type="text/javascript">

                            var dealexpire=new cdtime("countdowncontainer", "<?php echo $tardate; ?>")

                            dealexpire.displaycountdown("days", formatresults)

                            </script>

                            <div class="fr">

                                <div class="price_main"> <span class="strike_rate"><?php echo get_currency_sym();?><?php echo $current_price;?></span> <span class="rate"><?php echo get_currency_sym();?><?php echo $our_price;?></span> </div>

<?php                               if(get_post_meta($post->ID,'coupon_type',true) == 1) { ?>

                                    <a href="<?php echo get_post_meta($post->ID,'coupon_link',true); ?>" title="<?php _e(BUY_NOW,'templatic');?>" class="btn_buy" target="_blank"><?php _e(BUY_NOW,'templatic');?></a>

<?php                               } else { ?>

                                    <a href="<?php echo get_option('siteurl');?>/?ptype=buydeal&amp;did=<?php _e($post->ID,'templatic'); ?>" title="<?php _e(BUY_NOW,'templatic');?>" class="btn_buy"><?php _e(BUY_NOW,'templatic');?></a>

<?php                               }?>

                            </div>

                        </div>

<?php                   } ?>

<?php               } ?>

                <!-- Rate Summery BOF -->

                <ul class="rate_summery border_bottom">

                    <li class="rate_current_price"><span><?php _e(CURRENT_PRICE,'templatic');?></span> <strong><small><?php echo get_currency_sym();?></small><?php echo $current_price;?></strong></li>

                    <li class="rate_our_price"><span><?php _e(OUR_PRICE,'templatic');?></span> <strong><small><?php echo get_currency_sym();?></small><?php echo $our_price;?></strong></li>

                    <li class="rate_percentage"><span><?php _e(YOU_SAVE,'templatic');?></span> <strong><?php echo @number_format($percentsave,2);?>%</strong></li>



<?php                   if($sellsqlinfo == 0 ) { 

                        $enddate = explode(" ",$tardate); 

                        $curdate = explode(" ",date("F d, Y H:i:s"));

                        $enddate= str_replace(",","",$enddate[1]);

                        $curdate =  str_replace(",","",$curdate[1]);

                        $startdate = explode(" ",$stdate);

                        $strdate = str_replace(","," ",$startdate[1]);

                        $curtime = $enddate - $curdate;

                        $totaltime =  ($enddate - $strdate);

                        $nowremail = $curdate - $strdate; ?>

                        <input type="hidden" value="<?php echo $nowremail ; ?>" name="sellsqlinfo1" id="sellsqlinfo1"/>

                        <input type="hidden" value="<?php  echo ($enddate - $strdate) ; ?>" name="noofcoupon1" id="noofcoupon1"/>

<?php                   } else {  ?>

                      <input type="hidden" value="<?php echo $sellsqlinfo; ?>" name="sellsqlinfo1" id="sellsqlinfo1"/>

                      <input type="hidden" value="<?php echo $no_of_coupon; ?>" name="noofcoupon1" id="noofcoupon1"/>

<?php                   } ?></li>

                </ul>

                <?php   if(get_post_meta($post->ID,'enddate',true) == '0' && get_option('ptttheme_view_opt') != 'Grid View' && (get_post_meta($post->ID,'status',true) == '1' || get_post_meta($post->ID,'status',true) == '2') ) { 



        ?>

        <?php       if(get_post_meta($post->ID,'coupon_type',true) == 1) {?>

                        <a href="<?php echo get_post_meta($post->ID,'coupon_link',true); ?>" title="<?php _e(BUY_NOW,'templatic');?>" class="btn_buy_deal" target="_blank"><?php _e(BUY_NOW,'templatic');?></a>

        <?php       } else { ?>

                        <a href="<?php echo get_option('siteurl');?>/?ptype=buydeal&amp;did=<?php _e($post->ID,'templatic'); ?>" title="<?php _e(BUY_NOW,'templatic');?>" class="btn_buy_deal"><?php _e(BUY_NOW,'templatic');?></a>

        <?php       }

                }?>

                <!-- Rate Summery EOF -->

                <div id="content" class="text_content" ><?php echo "".$post->post_excerpt."";  ?>

                    <a href="<?php the_permalink(); ?>" class="readmore_link"><?php _e(get_option('ptthemes_content_excerpt_readmore'));?></a> </div>

                </div>

                <!-- Social Network Button Like: twitter,facebook,google + one BOF -->

                <div class="share_div index_share_spacer">

                    <div class="twitt_like"><?php templ_show_twitter_button();  ?></div>

                    <div class="googleplus">

                        <script type="text/javascript" src="https://apis.google.com/js/plusone.js"></script>

                        <script type="text/javascript">

                            gapi.plusone.render(gcontent,"href": "<?php the_permalink(); ?>", "state": "on");

                            gapi.plusone.go("gcontent");

                        </script>

                        <div id="gcontent">

                            <g:plusone href="<?php the_permalink(); ?>" size="medium"></g:plusone>

                        </div>

                    </div>

                    <?php templ_show_facebook_button(); ?>

                    <a href="javascript:void(0);" onclick="show_hide_popup('basic-modal-content');" title="Mail to a friend" class="i_mail b_sendtofriend"><?php _e(MAIL_TO_FRIEND,'templatic');?></a> 

                </div>

                <!-- Social Network Button Like: twitter,facebook,google + one EOF -->

<?php       } else {  ?>

                <div class="content_left">

                    <h3><?php echo _e(NO_RECENT_DEAL,'templatic'); ?></h3>

                </div>

<?php       } 

        }  // foreach loop BOF

    } // 1st IF Condition EOF

/* Home Page Deal Display EOF */ ?>

    </div>

</div>

<!-- main post #end -->

<div class="clear">

  <?php if (function_exists('dynamic_sidebar') && dynamic_sidebar('home_below')) { } else {  }?>

</div>

<?php include_once (TEMPLATEPATH . '/monetize/send_to_friend/popup_frms.php');?>

<?php get_footer(); ?>
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2 comments

  2. So let’s be very careful in our codes having numerical divisions because any number divided by zero is undefined. Try it in any device – your phone, your calculator, etc.

    This ternary condition could help, but don’t force 0 (zero) to be the value of $percentsave when $current_price equals 0. This will ruin the semantic logic of your application.

        $percentsave = ($current_price != 0) ? $percent/$current_price : 'undefined';

    However, regarding your query — why its showing in line 63, perhaps you have a code wrapping with your IDE (php specific codes) and that part of the code can be seen in line 63.