php - Ignore value from assoc array when display

Question

    $result = mysql_query($sql_result);
    $newArray = array();
    $index=0;
    while($row = mysql_fetch_assoc($result)){
        $newArray[$index] = $row;   
        $index++;
    }

I wanna ignore the value - from my assoc array when display. Help me please.

Answer 1

如果要删除包含某个值的所有列，可以使用 array_filter：

function removeEmpty($v){
   return $v != '-';
}
while($row = mysql_fetch_assoc($result)){
        $newArray[$index] = array_filter($row,"removeEmpty");   
        $index++;
}