这是一个非常愚蠢的问题。我想知道如何在变量的末尾增加一个数字:
$Coffee1 = "black";
$Coffee2 = "brown";
$Coffee3 = "gray";
echo $Coffee1; => black
echo $Coffee1+1; => brown
echo $Coffee2+1; => gray
答案 0 :(得分:1)
您正在寻找的机制是数组。
http://php.net/manual/en/language.types.array.php
$coffee = [
"black",
"brown",
"gray"
];
$index = 0;
echo $coffee[$index]; // "black"
echo $coffee[$index+1]; // "brown"
echo $coffee[$index+2]; // "gray"
这也是循环变得方便的地方。
foreach($coffee as $flavor) {
echo $flavor;
}
// "blackbrowngrey"
答案 1 :(得分:0)