i want to count total number of rows, sample :
row1 = 1
row2 = 1
row3 = -1
row4 = 1
row5 = -1
Total = 1, becouse 1+1+(-1)+1+(-1)=1
i want count it from database
my code is :
<? $result_count_like = mysql_query("SELECT * FROM like_mood WHERE img_id='$imageid'");
while($row_like_co = mysql_fetch_array($result_count_like))
{
$total_num=$row_like_co['mood_num']; // THIS IS ROWS NAME
}
?>
Thank you :)
Try...
SELECT SUM(mood_num) FROM like_mood WHERE img_id= '$imageid'
example..
$sql = mysql_query("SELECT SUM(mood_num) FROM like_mood WHERE img_id= '$imageid'");
$sql = mysql_fetch_array($sql);
$total = $sql[0];
<?
$toCount = array();
$result_count_like = mysql_query("SELECT * FROM like_mood WHERE img_id='$imageid'");
while($row_like_co = mysql_fetch_array($result_count_like))
{
$toCount[]=$row_like_co['mood_num']; // THIS IS ROWS NAME
}
echo array_sum($toCount);
?>
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