[Solved] Notice: Undefined variable total not working in php 5.4 [closed]

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Maybe try

echo $dyoon;

instead of

echo "$dyoon";

like Rangad suggested in his/her comment

Also set $dyoon before while loop

$dyoon = 0;
while($addrow11=mysql_fetch_row($result11)){
$dyoon=$dyoon + $addrow11["12"];
}
echo $dyoon;

1

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solved Notice: Undefined variable total not working in php 5.4 [closed]