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【PHP基礎⑥】if構文-1

Last updated at Posted at 2022-06-16

[問題]  (参照:http://www.cc.kyoto-su.ac.jp/~mmina/bp1/hundredKnocksBasic.html)
整数値を入力させ、値が0ならzeroと表示するプログラムを作成しなさい。

コード

$a = intval(fgets(STDIN));
if($a == 0){
    echo 'zero';
}

↓「0」と入力

結果

zero

☆if構文(条件分岐)
if(条件){
条件を満たした場合に行う処理;
}

<例>
if($a == 100){
echo 'perfect!';
}

☆注意!
= 代入
== 等しい 

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