wordpress - php- getting wrong values while looping -


i making opportunity form have provided update , delete functionality in wordpress. question wrong loop .. getting wrong values i. unable print "$opportunity_exp_date[$i]" if delete single opportunity. might tough understand guys problem. here code.

for($i=count($contact_opportunity);$i>=0;$i--){  //for listing of won opportunities     if($contact_opportunity[$i]!='0' && !empty($contact_opportunity[$i])){ ?>     <?php if($opportunity_status[$i]=='won'){?>          <div class="won-opp"><h3>won</h3></div>                       <?php echo "<div class='oname'>"."new opportunity '".$contact_opportunity[$i]."' added"."</div>"; ?>         <a href="<?php echo admin_url( "admin.php?page=contact_profile&post=$pid&opnm=$contact_opportunity[$i]&opamt=$opportunity_amount[$i]&opedt=$opportunity_exp_date[$i]&opsts=$opportunity_status[$i]&opnt=$opportunity_note[$i]" )?>"><span class="opp-edit" title="edit"></span></a>          <span class="btn_remove_opp" title="delete opportunity"></span>                      <input type="hidden" value="<?php echo $contact_opportunity[$i]?>" class="del_op_nm">         <input type="hidden" value="<?php echo $opportunity_status[$i]?>" class="del_op_sts">         <input type="hidden" value="<?php echo $opportunity_exp_date[$i]?>" class="del_op_exp">         <input type="hidden" value="<?php echo $opportunity_amount[$i]?>" class="del_op_amt">         <input type="hidden" value="<?php echo $opportunity_note[$i]?>" class="del_op_nt">         <div id="opp-list">         <?php                                    echo "<span class='sts'>".$opportunity_status[$i]."</span>"." expected close on ".$opportunity_exp_date[$i]."<br>";             echo $opportunity_amount[$i]." "."<div class='footer-op-nt'>".$opportunity_note[$i]."</div>"."<br>";         ?>                                                                       </div>         <br>     <?php }     } }

i believe off one; don't use count() in loops slower xd

$count= count($contact_opportunity); for($i=$count-1;$i>=0;--$i){ //for listing of won opportunities

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