<?php

$users="Jack:22:m:london,uk|john:20:m:otava, canada|ketty:26:f:san fransisco|patricia:19:f:guatemala city";
$usr_arr = explode('|', $users);
foreach ($usr_arr as $usr)
{
	$parts = explode(':', $usr);
    echo '<table border="1"><tr><td>'.$parts[0].'</td><td>'.$parts[1].'</td><td>'.$parts[2].'</td><td>'.$parts[3].'</td></tr></table>'.PHP_EOL;
}