PHP开发的资产折旧功能在企业资源计划（ERP）系统中的使用

<?php
// 资产折旧功能函数
function calculateDepreciation($originalValue, $expectedResidualValue, $life){
    $depreciation = ($originalValue - $expectedResidualValue) / $life;
    return $depreciation;
}

// 直线法折旧计算示例
$originalValue = 10000; // 资产原值
$expectedResidualValue = 2000; // 预计残值
$life = 5; // 使用寿命

$depreciation = calculateDepreciation($originalValue, $expectedResidualValue, $life);

echo "直线法折旧额：".$depreciation;

// 加速折旧法折旧计算示例
$originalValue = 10000; // 资产原值
$expectedResidualValue = 2000; // 预计残值
$life = 5; // 使用寿命

$accumulatedDepreciation = 0;
for($year = 1; $year <= $life; $year++){
    $depreciation = $originalValue * (2/$life);
    $accumulatedDepreciation += $depreciation;
    $originalValue -= $depreciation;
    echo "第".$year."年的折旧额：".$depreciation."
";
}
echo "累计折旧额：".$accumulatedDepreciation;

// 减余价法折旧计算示例
$originalValue = 10000; // 资产原值
$expectedResidualValue = 2000; // 预计残值
$life = 5; // 使用寿命

$accumulatedDepreciation = 0;
for($year = 1; $year <= $life; $year++){
    $depreciation = ($originalValue - $accumulatedDepreciation) * (1/$life);
    $accumulatedDepreciation += $depreciation;
    echo "第".$year."年的折旧额：".$depreciation."
";
}
echo "累计折旧额：".$accumulatedDepreciation;
?>