Hệ thống sổ địa chỉ đơn giản trong PHP

header.php
project /

1 <!DOCTYPE html>
2 <html lang="en">
3   <head>
4     <meta charset="utf-8">
5     <meta http-equiv="X-UA-Compatible" content="IE=edge">
6     <meta name="viewport" content="width=device-width, initial-scale=1">
7     <link rel="icon" href="https://projectnotes.org/gs-title.ico" type="image/x-icon" />
8     <meta name="author" content="Dr Tutorial">
9     <meta name="description" content="">
10     <meta name="keywords" content="">
11     <meta name="title" content="">
12     <script src="//platform-api.sharethis.com/js/sharethis.js#property=5c9e29cf6f05b20011c6d7d3&product=inline-share-buttons"></script>
13 <script async src="//pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script>
14 <script>
15   (adsbygoogle = window.adsbygoogle || []).push({
16     google_ad_client: "ca-pub-5139634720777851",
17     enable_page_level_ads: true
18   });
19 </script>
20
21     <title>Address Book</title>
22
23     
24     <link href="bootstrap/css/bootstrap.min.css" rel="stylesheet">
25     <link href="style.css" rel="stylesheet">
26     
27     
28     
32
33     
34     <script src="bootstrap/js/jquery-1.9.0.min.js"></script>
35   </head>
36   <body>
37     <div class="navbar navbar-default navbar-static-top" role="navigation">
38       <div class="container-fluid">
39         
40         <div class="navbar-header">
41           <button type="button" class="navbar-toggle" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1">
42             <span class="sr-only">Toggle navigation</span>
43             <span class="icon-bar"></span>
44             <span class="icon-bar"></span>
45             <span class="icon-bar"></span>
46           </button>
47           <a class="navbar-brand" href="https://projectnotes.org/" target="_blank"><span class="glyphicon glyphicon-home"></span> Address Book</a>
48         </div>
49         <div class="collapse navbar-collapse pull-right" id="bs-example-navbar-collapse-1" >
50           <ul class="nav navbar-nav">
51             <li><a href="http://projectnotes.org">PHP Tutorials</a></li>
52             <li><a href="https://projectnotes.org/">More Demos</a></li>
53             <li><a href="https://projectnotes.org">More Projects</a></li>
54           </ul>
55         </div>
56       </div>
57     </div>
58
59     <div class="container mainbody">
60       <div class="page-header">
61         <h1>Simple address book with php and mysql using pdo</h1>
62       </div>
63       <div class="clearfix"></div>