tupa tablica

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Table</title>
</head>
<body>
    <h1>File info</h1>
    <?php

    $currentRow = "name: Ivan salary:5000 town:Sofia age:20 ";
    $splitCurrentRow = explode(" ", $currentRow);


    /*  $name = explode (":", $splitCurrentRow[0][1];
    $salary = explode (":", $splitCurrentRow[1][1];
    $towwn = explode (":", $splitCurrentRow[2][1];
    $age = explode (":", $splitCurrentRow[3][1];
    */

    /*echo"<pre>";
    echo var_dump($name);
    echo var_dump($salary);
    echo var_dump($town);
    echo var_dump($age);
    echo"<pre>";
    */

        $myfile = fopen("namesInfo.txt", "r") or die("Unable to open file!");

        $table = "<table border = \"1px\">";
        $table .= "<thread>";
        $table .= "<tr>";
        $table .= "<th>Name</th>";
        $table .= "<th>Salary</th>";
        $table .= "<th>Town</th>";
        $table .= "<th>Age</th>";
        $table .= "</tr>";
        $table .= "</thread>";

        $table .= "<tbody>"

        $countName = 0;
        $sumSalary = 0;
        $sumAge = 0;
        $towns = array();

        while(!feof($myfile)) {
            $currentRow = fgets($myfile);
            $splitCurrentRow = explode("",$currentRow);
            if(count($splitCurrentRow) != 1){
                $name = explode(":", $splitCurrentRow[0])[1];
                $salary = explode(":", $splitCurrentRow[1])[1];
                $town = explode(":", $splitCurrentRow[2])[1];
                $age = explode(":", $splitCurrentRow[3])[1];

                $table .= "<tr>";
                $table .= "<td>". $name. "</td>";
                $table .= "<td>". $salary. "</td>";
                $table .= "<td>". $town. "</td>";
                $table .= "<td>". $age. "</td>";
                $table .= "</tr>";
                $countName++;
                $sumSalary += $salary;
                $sumAge += $age;
                $towns[] = $town;
            }

        }

        $averageAges = round($sumAges / $countName);

        $table .= "</tbody>";
        $table .= "<tfoot>";
        $table .=     "<tr>";
        $table .=           "<td style =\"color:red\">Count name: " . $countName . "</td>";
        $table .=           "<td style =\"color:red\">Sum salary: " . $sumSalary . "</td>";
        $table .=           "<td style =\"color:red\"> " . $towns . "</td>";
        $table .=           "<td style =\"color:red\"> " . $averageAges . "</td>";
        $table .=     "</tr>";
        $table .= "</tfoot>";
        $table .= "</table>";

        echo $table;


    ?>
</body>
</html>