質問編集履歴
3
PHPバージョンを追記
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@@ -1,4 +1,8 @@
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税率対応で誤差が出ます。
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PHPバージョンは「PHP 5.3.18」です。
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2
コードを実行可能な書式へ変更
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test
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@@ -14,9 +14,9 @@
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// 税率
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-
$taxRate=0.080
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$taxRate=0.080;
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//$taxRate=0.100
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//$taxRate=0.100;
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コードを実行可能な書式へ変更
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test
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@@ -10,53 +10,83 @@
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```ここに言語を入力
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-
/
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// 税率
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$taxRate=0.080
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//$taxRate=0.100
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// 端数区分
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$taxHasu="1";
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//$taxHasu="2";
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//$taxHasu="3";
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// 価格
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$price=1000;
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// 計算誤差を考慮
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$calctaxRate = (1 +
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$calctaxRate = (1 + $taxRate) * 100;
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-
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/******** 税抜処理 **************************/
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-
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// 切捨て
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-
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if ( $taxHasu == "1" ) {
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$outPrice=ceil( ($price/$calctaxRate) * 100);
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-
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// 四捨五入
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} else if ( $taxHasu == "2" ) {
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$outPrice=round( ($price/$calctaxRate) * 100);
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// 切上げ
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} else if ( $taxHasu == "3" ) {
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-
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$outPrice=floor( ($price/$calctaxRate) * 100);
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}
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/* 税込処理 */
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/******** 税込処理 **************************/
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//
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// 切捨て
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$
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if ( $taxHasu == "1" ) {
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$inPrice=floor(($price*$calctaxRate)/100);
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// 四捨五入
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if (
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} else if ( $taxHasu == "2" ) {
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-
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$inPrice=round(($price*$calctaxRate)/100);
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// 切上げ
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-
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} else {
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} else if ( 切上げ ) {
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-
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-
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$inPrice=ceil(($price*$calctaxRate)/100);
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90
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}
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