players.php

#!/usr/bin/env php
<?php

$bands = [[
    "germany",
    "brazil",
    "portugal",
    "argentina",
    "belgium",
    "poland",
],[
    "france",
    "spain",
    "peru",
    "switzerland",
    "england",
    "colombia",
],[
    "mexico",
    "uruguay",
    "croatia",
    "denmark",
    "iceland",
    "costa rica",
],[
    "sweden",
    "tunisia",
    "egypt",
    "senegal",
    "iran",
    "serbia",
],[
    "nigeria",
    "australia",
    "japan",
    "morocco",
    "panama",
    "russia",
]];

$players = [
    ['name' => 'Chris', 'countries' => []],
    ['name' => 'Dan', 'countries' => []],
    ['name' => 'Darren', 'countries' => []],
    ['name' => 'Jamie', 'countries' => []],
    ['name' => 'Rob', 'countries' => []],
];

shuffle($players);
shuffle($players);
shuffle($players);

$player = 0;

foreach ($bands as $band) {
    shuffle($band);
    shuffle($band);
    shuffle($band);

    while (!empty($band)) {
        $i = rand(0, count($band) - 1);

        $players[$player]['countries'][] = $band[$i];

        unset($band[$i]);

        $band = array_values($band);
        $player++;

        if ($player === count($players)) {
            $player = 0;
        }
    }
}

foreach ($players as $player) {
    echo "------------------\n";
    echo $player['name'] . "\n";

    foreach($player['countries'] as $country) {
        echo " - " . ucfirst($country) . "\n";
    }
}