Олег Тереза 4

<?php
$people=[
['b'=>1930, 'd'=>1934],
['b'=>1965, 'd'=>1995],
['b'=>1956, 'd'=>1966],
['b'=>1856, 'd'=>1915],
['b'=>1760, 'd'=>1826],
['b'=>1, 'd'=>1909],
['b'=>2000, 'd'=>2007],
['b'=>1450, 'd'=>1687]
];

echo getYearWithMaxNumberHumanAlive($people);


function getYearWithMaxNumberHumanAlive(array $people)
{
$yearWithMaxLiveHuman = 0;
$maxCount = 0;
for($year=1900; $year<2000; $year++) {
$count = 0;
foreach($people as $human) {
if($human['b'] < $year && $human['d'] >= $year) {
$count++;
}
}
if($maxCount < $count) {
$yearWithMaxLiveHuman = $year;
$maxCount = $count;
}
}
return $yearWithMaxLiveHuman;
}