PHP入门级别代码

梦里梦外; 2022-05-11 22:33 116阅读 0赞

实例1：第一个PHP程序

1.  `<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">`
2.  `<htmlxmlns="http://www.w3.org/1999/xhtml">`
3.  `<head>`
4.  `<metahttp-equiv="Content-Type"content="text/html; charset=utf-8"/>`
5.  `<title>第一个PHP程序</title>`
6.  `</head>`
7.  ``
8.  `<body>`
9.  `<?php`
10. `echo "第一个PHP程序";`
11. `?>`
12. `</body>`
13. `</html>`

运行结果：

![0d17a5d5-95eb-3566-81a0-206225682984.png][]

实例2：输出日期

1.  `<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">`
2.  `<htmlxmlns="http://www.w3.org/1999/xhtml">`
3.  `<head>`
4.  `<metahttp-equiv="Content-Type"content="text/html; charset=utf-8"/>`
5.  `<title>中文输入</title>`
6.  `</head>`
7.  ``
8.  `<body>`
9.  `<pstyle="margin-top:10px;margin-left:180px">`
10. `<?php`
11. `echo "<font color='#11ffff00'>北京时间:".date("Y-m-d H:i:s ")."</font>"`
12. `?>`
13. `</body>`
14. `</html>`

运行结果：

![4e8ee5ec-719f-3a8b-9b50-d9b399243920.png][]

注意事项：

修改php.ini的配置如下。

\[Date\]

; Defines the default timezone used by the date functions

; http://php.net/date.timezone

date.timezone ="Asia/Hong\_Kong"

然后重启Apache服务，否则显示的将是格林威治时间。

实例3：输出中文

1.  `<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">`
2.  `<htmlxmlns="http://www.w3.org/1999/xhtml">`
3.  `<head>`
4.  `<metahttp-equiv="Content-Type"content="text/html; charset=utf-8"/>`
5.  `<title>输出中文</title>`
6.  `</head>`
7.  ``
8.  `<body>`
9.  `<?php`
10. `echo "PHP欢迎你";`
11. `?>`
12. `</body>`
13. `</html>`

运行结果：

![7547fa0d-f173-3cf8-81bb-516a3f204e73.png][]

实例4：输出图片

1.  `<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">`
2.  `<htmlxmlns="http://www.w3.org/1999/xhtml">`
3.  `<head>`
4.  `<metahttp-equiv="Content-Type"content="text/html; charset=utf-8"/>`
5.  `<title>输出图片</title>`
6.  `</head>`
7.  ``
8.  `<body>`
9.  `<?php`
10. `echo '<img src="images/PHP参考手册.png" width="1200" height="800" />'`
11. `?>`
12. `</body>`
13. `</html>`

运行结果：

![54af55e2-e4d4-3cbe-a770-432d4b898a93.png][]

实例5：输出字符串

1.  `<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">`
2.  `<htmlxmlns="http://www.w3.org/1999/xhtml">`
3.  `<head>`
4.  `<metahttp-equiv="Content-Type"content="text/html; charset=utf-8"/>`
5.  `<title>输出字符串</title>`
6.  `</head>`
7.  ``
8.  `<body>`
9.  `<?php`
10. `echo "输出字符串";`
11. `?>`
12. `</body>`
13. `</html>`

运行结果：

![4e74fdf9-98f6-336a-acdd-abb64d8385ee.png][]

实例6：输入多个字符串

1.  `<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">`
2.  `<htmlxmlns="http://www.w3.org/1999/xhtml">`
3.  `<head>`
4.  `<metahttp-equiv="Content-Type"content="text/html; charset=utf-8"/>`
5.  `<title>发布最新公告信息</title>`
6.  `</head>`
7.  `<body>`
8.  `<pstyle="margin-top:10px;margin-left:180px">`
9.  `<?php`
10. `echo "<font color='#11FF00'>从即日起，登录本站的用户可免费下载手机铃声！"."[".date("Y-m-d H:i:s")."]</font>";`
11. `?>`
12. `</body>`
13. `</html>`

运行结果：

![a9209b6c-802a-35d3-8486-b5b840579171.png][]

[0d17a5d5-95eb-3566-81a0-206225682984.png]: /images/20220512/d89fff6e52734499a3ba29dbffe08bb8.png
[4e8ee5ec-719f-3a8b-9b50-d9b399243920.png]: /images/20220512/be620b8761154b90b6f74eccb23ceae7.png
[7547fa0d-f173-3cf8-81bb-516a3f204e73.png]: /images/20220512/eb002284ee88498d8b9ef29923d2312d.png
[54af55e2-e4d4-3cbe-a770-432d4b898a93.png]: /images/20220512/6e30c207f28b4a86949bf4f133f976ad.png
[4e74fdf9-98f6-336a-acdd-abb64d8385ee.png]: /images/20220512/d9304b8766ff4ab5b67f88b366109d27.png
[a9209b6c-802a-35d3-8486-b5b840579171.png]: /images/20220512/a748746303e24af58b4f8666a32e9c4c.png