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Question

<?php
$arr = [
'Moscow region' => ('Moscow', 'Rostow'),
'Brest region' => ('Brest', 'Meleshki')
];

foreach ($arr as $key => $region) {
foreach ($region as $gorod) {
if (substr($gorod, 0, 1) == "M"){
echo $gorod . "<br />";
}

}

}
?>

checking please

Answer 1

$arr = [
'Moscow region' => array('Moscow', 'Rostow'),
'Brest region' => array('Brest', 'Meleshki')
];

foreach ($arr as $key => $region) {
foreach ($region as $gorod) {
if (substr($gorod, 0, 1) == "M"){
echo $gorod . "<br />";
}

}

}