<?php
error_reporting(1);
$letters = [
    'ко',   'и',    'дзу',  'ми',
    'са',   'ку',   'ра',   'да',
    'чи',   'а',    'ки',   'ми',
    'на',   'го',   'ха',   'ру'
];
$petName = [];
for ($i = 1;$i <=4;$i++){
    $random = mt_rand(0,count($letters)-1);
    $randomText = $letters[$random];
    echo "Number: {$random}, text:{$randomText} \n";
    array_push($petName,$randomText);
}
echo "Pet name is:'".implode($petName)."'";

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