php是指超文本预处理器，是在服务器执行的脚本语言。其语言的风格类似于C++和Java。
先尝试输出一个hallo world
1
2
3
| <?php
echo"hallo world";
?>
|
或者这样输出
1
2
3
4
5
| <pre class="wp-block-code">
<?php
$weikang = "hello world";
echo $weikang;
?>
|
在html镶嵌是这样
1
2
3
4
5
6
7
8
9
10
11
12
13
14
| <pre class="wp-block-code">```
<?php
$weikang1 = "hello world";
?>
<html>
<head>
<meta http-equiv="content-type" content="text/html;charset=utf-8">
<title><?php echo $weikang1; ?></title>
</head>
<body>
<p><?php echo $weikang1; ?>
</body>
</html>
|
或者是这样
1
2
3
4
5
6
7
8
9
10
11
12
13
| <?php
$weikang1 = "hello world";
?>
<html>
<head>
<meta http-equiv="content-type" content="text/html;charset=utf-8">
<title><?=$weikang1; ?></title>
</head>
<body>
<p><?=$weikang1; ?>
</body>
</html>
|
php if结构
1
2
3
4
5
6
7
8
9
| <pre class="wp-block-code">
<?php
$weikang = 1;
if (weikang==1){
echo "hallo world";
}else{
echo "bye world";
}
?>
|
php函数编写
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
| <pre class="wp-block-code">
输出hallo world代码
<?php
function weikang(){
echo "hello world";
}
weikang();
?>
输出带数值版
<?php
function weikang($about){
echo $about;
}
weikang(1);
?>
|
php面向对象编写
面向函数是把问题进行抽象化
1
2
3
4
5
6
7
8
| <pre class="wp-block-code">
<?php
class weikangnb{
public function _construct(){
echo "hallo world";
}
}
new weikangnb();
|
本片文章到此为止，有问题或者其他需要补充请联系我哦
由诺依阁提供Hexo转Typecho软件支持
