php - 如何使用循环在php中打印5个不同的变量(不使用ARRAY)
问题描述
我想在不使用数组的情况下使用循环(任何类型的循环)打印这些变量。或者你可以用任何类型的编程语言向我推荐这个答案。
PHP代码: -
<?php
$answer_1 = 4;
$answer_2 = 8;
$answer_3 = 5;
$answer_4 = 3;
$answer_5 = 2;
?>
解决方案
PHP 支持可变变量功能(但考虑使用数组):
<?php
$answer_1 = 4;
$answer_2 = 8;
$answer_3 = 5;
$answer_4 = 3;
$answer_5 = 2;
for($i = 1; $i <= 5; $i++) {
$variable = ${'answer_'.$i};
echo '$answer_'.$i.': '.$variable;
echo '<br>';
}
?>
推荐阅读
- python - Pyqt5 中的 SetText
- reactjs - 如何在 switch case 中调用 API
- wordpress - WordPress 分页 get_query_var( 'paged' ) 总是返回第一页
- python - How to get a log function fit using Scipy curve_fit for the data
- google-apps-script - 如何修复谷歌表格中损坏的导入在线excel?
- c# - How to find out if 2 triangles on a 2D plane rotated in 3D space are intersecting?
- google-chrome - how can i prevent reload when click chrome browser back button?
- sitecore - Sitecore Search Reindexing from CMS
- python - Are Multiple Iterations possible in the Dictionary Comprehension in the Python, like the Lists?
- python-3.x - ray: python does not print after time.sleep