Online PHP editor | rfc for NulQq

@ 2024-09-17T02:24:18Z

<?php
// Função para ler valores de vendas de forma segura e garantir que sejam positivos
function lerValor($ano) {
    do {
        $valor = readline("Digite o valor das vendas para o ano $ano: ");
        if ($valor <= 0) {
            echo "O valor deve ser positivo. Tente novamente.\n";
        }
    } while ($valor <= 0);
    
    return $valor;
}

// Leitura dos valores de vendas para os anos 2020 a 2023
$vendas = [];
$anos = [2020, 2021, 2022, 2023];
foreach ($anos as $ano) {
    $vendas[] = lerValor($ano);
}

// Contando quantos anos houve crescimento em relação ao anterior
$crescimentos = 0;
for ($i = 1; $i < count($vendas); $i++) {
    if ($vendas[$i] > $vendas[$i - 1]) {
        $crescimentos++;
    }
}

// Calculando o crescimento percentual entre 2020 e 2023
$crescimento_percentual = (($vendas[3] - $vendas[0]) / $vendas[0]) * 100;

// Exibindo os resultados
echo "\nNúmero de anos com crescimento em relação ao anterior: $crescimentos\n";
echo "Crescimento percentual entre 2020 e 2023: " . number_format($crescimento_percentual, 2) . "%\n";
?>

Output for git.master_jit, git.master, rfc.property-hooks: Fatal error: Uncaught Error: Call to undefined function readline() in /in/NulQq:5 Stack trace: #0 /in/NulQq(18): lerValor(2020) #1 {main} thrown in /in/NulQq on line 5
Process exited with code 255.

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