Some php help

[PHP]$arraylinks = array("http://site1.com", "http://site2.com", "http://site3.com", "http://site4.com");

foreach ($arraylinks as &$value) {
    echo $value; }

$db = new MySQLi($host, $user, $pass, $db_name);
$result = $db->query("select $column_name from $your_table_name");
while ($row = $result->fetch_assoc()){
        print $row[$column_name];
}
//gg

// get links from database
$getLinks = mysql_query("SELECT `link` FROM `links_table`");
// create an array at the first row, echo that row, then continue to next row
while ($linksArr = mysql_fetch_array($getLinks)) echo $linksArr['link'] . "<br>";

<?php
    if ($con = mysql_connect('host', 'user', 'password')) {
        if (mysql_select_db) {
            $result = mysql_query('SELECT * FROM `table`');
            
            if (mysql_num_rows($result) > 0) {
                while($row = mysql_fetch_assoc($result)) {
                    echo $row['field name'];
                }
            } else {
                die('No records returned.');
            }
        } else {
            die('Unable to select MySql Database.');
        }
    } else {
        die('Unable to connect to MySQL Server.');
    }
?>