Parse error: syntax error, unexpected 'sonum' (T_STRING) in [duplicate]

Question

Please help me to fix the error. Parse error: syntax error, unexpected 'sonum' (T_STRING) in /aaa/dsearch.php on line 36

if(mysqli_num_rows($result) > 0)  
{  
    while($row = mysqli_fetch_array($result))
    {
        $output .= '
        <tr>  
            <td>'. $row["sonum"] .'</td>  
            <td>'. $row["regdate"] .'</td>  
            <td>'. $row["salesperson"] .'</td>  
            <td>'. $row["company"] .'</td>  
            <td>'. $row["status"] .'</td>
            <td>
            <a href="so.php?edit=<?php echo $row['sonum']; ?>" class="btn btn-info">Edit</a>
            <a href="process.php?delete=<?php echo $row['sonum']; ?>" class="btn btn-danger" onclick="return confirm('Are you sure you want to delete this item?');">Delete</a>
            </td>  
        </tr>
        ';
    }
}

Answer 1

You include PHP code inside PHP string value, not inside HTML text. For example, instead of

<a href="so.php?edit=<?php echo $row['sonum']; ?>" class="btn btn-info">Edit</a>

you should use:

<a href="so.php?edit=' . $row['sonum'] . '" class="btn btn-info">Edit</a>