<?php
function verificaIntervalos($input)
{
$intervalos = [
[0,25],
[25,50],
[50,75],
[75,100]
];
foreach($intervalos as [$inicio,$fim])
{
if($input >= $inicio && $input <= $fim){
if($inicio === 0)
{
return "Intervalo [" . $inicio . "," . $fim . "]" . PHP_EOL;
}
return "Intervalo (" . $inicio . "," . $fim . "]" . PHP_EOL;
}
}
return "Fora de intervalo" . PHP_EOL;
}
$input = floatval(trim(fgets(STDIN)));
echo verificaIntervalos($input);
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