回答編集履歴
2
修正
test
CHANGED
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@@ -3,6 +3,8 @@
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3
3
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お好きなのをどうぞ。
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4
4
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5
5
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6
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+
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7
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**※おそらく何かの問題集や課題のようなので自身が理解できるものから採用してください**
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6
8
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7
9
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8
10
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1
修正
test
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@@ -70,6 +70,66 @@
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70
70
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71
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```
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72
72
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73
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```php
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74
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75
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//消費税決まってるので他にも価格がきたときのために関数化とか
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76
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77
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function taxCalc(int $price = 0):int
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78
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79
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{
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80
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81
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$taxRate = 0.08;
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82
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83
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return $price +($price * $taxRate);
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84
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85
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}
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86
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87
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$price = 1000;
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88
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89
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echo "税込価格は".taxCalc($price)."円です";
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90
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91
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```
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92
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93
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```
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94
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95
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//商品扱うという観点からクラスにするとか
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96
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97
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class Item
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98
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99
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{
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100
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101
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private $taxRate = 0.08;
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102
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103
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public $price = 0;
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104
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105
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public $name = '';
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106
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107
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function __construct(string $name='',int $price = 0)
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108
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109
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{
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110
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111
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$this->name = $name;
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112
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113
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$this->price = $price;
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114
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115
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}
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116
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117
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function taxPrice():int
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118
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119
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{
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120
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121
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return $this->price +($this->price * $this->taxRate);
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122
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123
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}
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124
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125
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}
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126
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127
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$item = new Item('りんご',1000);
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128
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129
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echo "税込価格は".$item->taxPrice()."円です";
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130
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131
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```
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132
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+
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73
133
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74
134
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75
135
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etc.
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