Alle resultaten tabel (Opgelost)

<?php
$select = mysql_query("SELECT username FROM users");
$arr = mysql_fetch_array($select);

print_r($arr);
?>

<?php
$select = mysql_query("SELECT username FROM users");
$arr = mysql_fetch_array($select);
 
print_r($arr);
?>

<?php
$select = mysql_query("SELECT username FROM users");
while($arr = mysql_fetch_array($select))
{
   $return_array[] = $arr;
}

print_r($return_array);
?>

<?php
$select = mysql_query("SELECT username FROM users");
while($arr = mysql_fetch_array($select))
{
   $return_array[] = $arr;
}
 
print_r($return_array);
?>