{"id":30729,"date":"2022-12-15T12:25:57","date_gmt":"2022-11-18T15:32:07","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/php%e5%9f%ba%e6%9c%ac%e7%ac%94%e8%ae%b0\/"},"modified":"2025-08-12T20:32:32","modified_gmt":"2025-08-12T12:32:32","slug":"php%e5%9f%ba%e6%9c%ac%e7%ac%94%e8%ae%b0","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/php%e5%9f%ba%e6%9c%ac%e7%ac%94%e8%ae%b0\/","title":{"rendered":"PHP\u57fa\u672c\u7b14\u8bb0"},"content":{"rendered":"

\u9996\u5148\u6211\u6b63\u5728\u5b66\u4e60PHP\u3002
\n\u6211\u6b63\u5728\u4e3a\u81ea\u5df1\u505a\u7b14\u8bb0\u3002<\/p>\n

\u4ece\u6587\u672c\u6846\u4e2d\u83b7\u53d6\u6570\u636e<\/p>\n
\r\n<input<\/span> type=<\/span>\"text\"<\/span> name=<\/span>\"count\"<\/span> ><\/span>\r\n\r\n<?php<\/span> echo<\/span> echo<\/span> $_REQUEST<\/span>[<\/span>'count'<\/span>],<\/span>'\u500b\u306e\u5546\u54c1\u3092\u30ab\u30fc\u30c8\u306b\u8ffd\u52a0\u3057\u307e\u3057\u305f'<\/span>;<\/span>?><\/span>\r\n<\/code><\/pre>\n
\u83b7\u53d6\u8bf7\u6c42\u53c2\u6570<\/p>\n
\r\n$_REQUEST<\/span>[<\/span>'\u30ea\u30af\u30a8\u30b9\u30c8\u30d1\u30e9\u30e1\u30fc\u30bf\u540d'<\/span>]<\/span>\r\n<\/code><\/pre>\n
isset\u51fd\u6570<\/p>\n
\r\nisset<\/span>(<\/span>$_REQUEST<\/span>[<\/span>'count'<\/span>])<\/span>\r\n\/\/isset\u95a2\u6570\u306f\u3001\u5909\u6570\u306b\u5024\u304c\u5c0e\u5165\u3055\u308c\u3066\u3044\u3066\u3001\u304b\u3064\u5024\u304cNULL\u3067\u306f\u306a\u3044\u6642\u306bTRUE\u3092\u8fd4\u3059<\/span>\r\n\r\nif<\/span>(<\/span>isset<\/span>(<\/span>$_REQUEST<\/span>[<\/span>'count'<\/span>])){<\/span>\r\n  echo<\/span> \"\u30ab\u30fc\u30c8\u306b\u5546\u54c1\u304c\u5165\u3063\u3066\u3044\u307e\u3059\u201d;\r\n}else{\r\n  echo \"<\/span>\u30ab\u30fc\u30c8\u306b\u5546\u54c1\u304c\u5165\u3063\u3066\u3044\u307e\u305b\u3093<\/span>\";\r\n}\r\n<\/span><\/code><\/pre>\n
\u4f7f\u7528\u6bd4\u8f83\u8fd0\u7b97\u7b26\u7684\u8868\u8fbe\u5f0f<\/p>\n
\r\n$count<\/span>==<\/span>0<\/span>\r\n\r\nif<\/span>(<\/span>$count<\/span>==<\/span>0<\/span>){<\/span>\r\n  echo<\/span> '\u30ab\u30fc\u30c8\u306b\u5546\u54c1\u304c\u3042\u308a\u307e\u305b\u3093'<\/span>\r\n}<\/span>\r\n\r\n<\/code><\/pre>\n
\u6570\u7ec4\u51fd\u6570\uff08array\u51fd\u6570\uff09<\/p>\n
\r\n\/\/PHP5.4\u3088\u308a\u3082\u53e4\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\r\n<?php<\/span>\r\n$question<\/span>=<\/span>array<\/span>(<\/span>\r\n  '\u521d\u3081\u3066\u306e\u6620\u753b\u306f?'<\/span>,<\/span>\r\n  '\u30da\u30c3\u30c8\u306e\u540d\u524d\u306f?'<\/span>,<\/span>\r\n  '\u5b66\u6821\u306e\u540d\u524d\u306f?'<\/span>,<\/span>\r\n  '\u751f\u307e\u308c\u305f\u4e0b\u95a2\u306f?'<\/span>\r\n);<\/span>\r\necho<\/span> $question<\/span>[<\/span>1<\/span>];<\/span>\r\n\r\n\/\/PHP5.4\u4ee5\u964d<\/span>\r\n$question<\/span>=<\/span>[<\/span>\r\n  '\u521d\u3081\u3066\u306e\u6620\u753b\u306f?'<\/span>,<\/span>\r\n  '\u30da\u30c3\u30c8\u306e\u540d\u524d\u306f?'<\/span>,<\/span>\r\n  '\u5b66\u6821\u306e\u540d\u524d\u306f?'<\/span>,<\/span>\r\n  '\u751f\u307e\u308c\u305f\u4e0b\u95a2\u306f?'<\/span>\r\n];<\/span>\r\n\r\necho<\/span> $question<\/span>[<\/span>1<\/span>];<\/span>\r\n?><\/span>\r\n\r\n<\/code><\/pre>\n
\u904d\u5386\u6bcf\u4e00\u4e2a<\/p>\n
\r\n\/\/\u4e0a\u8a18\u306e\u914d\u5217\u3092\u30bb\u30ec\u30af\u30c8\u30dc\u30c3\u30af\u30b9\u3067\u4f5c\u6210\u3059\u308b\u5834\u5408<\/span>\r\nforeach<\/span>(<\/span>$question<\/span> as<\/span> $item<\/span>){<\/span>\r\n  echo<\/span> '<option value=\"'<\/span>,<\/span>$item<\/span>,<\/span>'\">'<\/span>,<\/span>$item<\/span>,<\/span>'<option value>'<\/span>;<\/span>\r\n}<\/span>\r\n\/\/$item\u306e\u307f\u3060\u3068\u3046\u307e\u304f\u51fa\u529b\u3055\u308c\u306a\u3044',$item,'\u2190\u304c\u5fc5\u8981<\/span>\r\n\r\n``<\/span>\r\n\r\n##\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9(phpMyAdmin)<\/span>\r\n######\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u524a\u9664<\/span>\r\n\r\n``<\/span>`<\/span>php<\/span>\r\n\r\ndrop<\/span> database<\/span> if<\/span> exists<\/span> shop<\/span>\r\n\r\n\/\/drop database\u306f\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u524a\u9664\u3059\u308bSQL\u30b3\u30de\u30f3\u30c9\u3067\u3059\u3002<\/span>\r\n\/\/if exists\u3067\u300c\u6307\u5b9a\u3059\u308b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304c\u5b58\u5728\u3059\u308b\u5834\u5408\u306b\u300d\u3068\u3044\u3046\u6761\u4ef6\u3092\u8868\u3059<\/span>\r\n<\/code><\/pre>\n
\u521b\u5efa\u6570\u636e\u5e93<\/p>\n
\r\ncreate<\/span> database<\/span> shop<\/span> default<\/span> character<\/span> set<\/span> utf8<\/span> collate<\/span> utf8_general_ci<\/span>\r\n\r\n\/\/create database\u306f\u300c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u4f5c\u6210\u3059\u308b\u30b3\u30de\u30f3\u30c9\u300d<\/span>\r\n\/\/default character set\u306f\u300c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3067\u7528\u3044\u308b\u6587\u5b57\u30b3\u30fc\u30c9\u3092\u8868\u3059\u300d<\/span>\r\n\/\/collate\u306f\u300c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u304a\u3044\u3066\u884c\u3092\u4e26\u3079\u308b\u9806\u756a\u3092\u6c7a\u3081\u308b\u305f\u3081\u306e\u65b9\u5f0f\u300d<\/span>\r\n\r\n<\/code><\/pre>\n
\u751f\u6210\u7528\u6237<\/p>\n
\r\ngrant<\/span> all<\/span> on<\/span> shop<\/span>.<\/span>*<\/span> to<\/span> 'staff'<\/span>@<\/span>'localhost'<\/span> identified<\/span> by<\/span> 'staff0120'<\/span>\r\n\r\n\/\/grant \u300c\u30e6\u30fc\u30b6\u30fc\u306b\u5bfe\u3057\u3066\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u64cd\u4f5c\u3059\u308b\u6a29\u9650\u3092\u4e0e\u3048\u308b\u30b3\u30de\u30f3\u30c9\u300d<\/span>\r\n\/\/all on shop.*\u300cshop\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u5168\u3066\u306e\u30c6\u30fc\u30d6\u30eb\u306b\u5bfe\u3057\u3066\u6a29\u9650\u3092\u4e0e\u3048\u308b\u300d\u3053\u3068\u3092\u793a\u3059<\/span>\r\n\/\/to 'staff'@'localhost'\u300c\u30e6\u30fc\u30b6\u30fc\u540d\u300d\u3068\u300c\u30db\u30b9\u30c8\u540d\u300d<\/span>\r\n\/\/identified by\u306f\u300c\u30e6\u30fc\u30b6\u30fc\u304c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u30ed\u30b0\u30a4\u30f3\u3059\u308b\u305f\u3081\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u300d<\/span>\r\n\r\n<\/code><\/pre>\n
\u8fde\u63a5\u5230\u6570\u636e\u5e93\u3002<\/p>\n
\r\nuse<\/span> shop<\/span>;<\/span>\r\n\r\n\/\/use\u306f\u300c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u63a5\u7d9a\u3059\u308b\u305f\u3081\u306e\u30b3\u30de\u30f3\u30c9\u300d<\/span>\r\n\r\n<\/code><\/pre>\n
\u521b\u5efa\u8868\u683c<\/p>\n
\r\ncreate<\/span> table<\/span> product<\/span> (<\/span>\r\n  id<\/span> int<\/span> auto_increment<\/span> primary<\/span> key<\/span>,<\/span>\r\n  name<\/span> varchar<\/span>(<\/span>200<\/span>)<\/span> not<\/span> null<\/span>,<\/span>\r\n  price<\/span> int<\/span> not<\/span> null<\/span> \r\n);<\/span>\r\n\r\n\/\/create table\u300c\u30c6\u30fc\u30d6\u30eb\u3092\u4f5c\u6210\u3059\u308b\u305f\u3081\u306e\u30b3\u30de\u30f3\u30c9\u300d<\/span>\r\n\r\n<\/code><\/pre>\n
\u5546\u54c1\u7f16\u53f7\u7684\u4e00\u5217<\/p>\n
\r\n  id<\/span> int<\/span> auto_increment<\/span> primary<\/span> key<\/span>,<\/span>\r\n\r\n\/\/id\u306f\u300c\u5217\u306e\u540d\u524d\u300d\u3001int\u306f\u300c\u5217\u306e\u30c7\u30fc\u30bf\u300d<\/span>\r\n\/\/auto_increment\u3092\u6307\u5b9a\u3059\u308b\u3068\u300c\u884c\u3092\u8ffd\u52a0\u3057\u305f\u6642\u306b\u756a\u53f7\u304c\u81ea\u52d5\u7684\u306b\u52a0\u7b97\u3055\u308c\u308b\u300d<\/span>\r\n\/\/primary key\uff1d\u300c\u4e3b\u30ad\u30fc\u300d\u3068\u547c\u3073\u300c\u884c\u3092\u4e00\u610f\u306b\u8b58\u5225\u3059\u308b\u305f\u3081\u306e\u5024\u3092\u3042\u3089\u308f\u3059\u300d<\/span>\r\n\r\n<\/code><\/pre>\n
\u4ea7\u54c1\u540d\u79f0\u7684\u4e00\u680f<\/p>\n
  name varchar(200) not null,\r\n\r\n\/\/\u300cname\u300d\u306f\u5217\u306e\u540d\u524d\u300cvarchar(200)\u300d\u306f\u578b\u3067\u300cnot null\u300d\u306f\u3053\u306e\u5217\u3092NULL\u306b\u3057\u3066\u306f\u306a\u3089\u306a\u3044\u3068\u3044\u3046\u610f\u5473\r\n\r\n<\/code><\/pre>\n
\u4ef7\u683c\u4e00\u680f<\/p>\n
  price int not null\r\n\r\n\/\/price\u306f\u300c\u5217\u306e\u540d\u524d\u300dint\u306f\u300c\u6574\u6570\u3092\u8868\u3059\u5217\u306e\u30c7\u30fc\u30bf\u300d \u300cnot null\u300d\u306f\u3053\u306e\u5217\u3092NULL\u306b\u3057\u3066\u306f\u306a\u3089\u306a\u3044\u3068\u3044\u3046\u610f\u5473\r\n<\/code><\/pre>\n
\u6dfb\u52a0\u6570\u636e<\/p>\n
insert into product values(null, '\u8c5a\u8089', 600);\r\n\r\n\/\/insert into\u306f\u300c\u6307\u5b9a\u3057\u305f\u30c6\u30fc\u30d6\u30eb\u306b\u65b0\u3057\u3044\u884c\u3092\u8ffd\u52a0\u3059\u308b\u305f\u3081\u306e\u30b3\u30de\u30f3\u30c9\u300d\r\n\/\/\u8ffd\u52a0\u3059\u308b\u30c7\u30fc\u30bf\u306fvalues(null, '\u8c5a\u8089', 600)\u306e\u3088\u3046\u306b\u300c,\u300d\u3067\u533a\u5207\u3063\u3066\u6307\u5b9a\u3059\u308b\r\n\/\/\u6587\u5b57\u30c7\u30fc\u30bf\u306f\u300c'\u300d\u3067\u56f2\u307f\u3001\u6570\u5024\u30c7\u30fc\u30bf\u306f\u305d\u306e\u307e\u307e\u8a18\u8ff0\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\r\n<\/code><\/pre>\n
\u83b7\u53d6\u6570\u636e<\/p>\n
\u4f7f\u7528SQL\u7684select\u67e5\u8be2\u8bed\u53e5<\/p>\n
SELECT * FROM product;\r\n\r\n\/\/\u30bb\u30ec\u30af\u30c8\u6587\u3092\u4f7f\u3046\u3068\u300c\u6307\u5b9a\u3057\u305f\u30c6\u30fc\u30d6\u30eb\u306e\u3001\u6307\u5b9a\u3057\u305f\u5217\u3092\u53d6\u5f97\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u300d\r\n\/\/select \u914d\u5217\u540d\u3000from \u30c6\u30fc\u30d6\u30eb\u540d;\r\n\/\/\u521d\u3081\u306bselect\u3068\u66f8\u304d\u3001\u6b21\u306e\u300c*\u300d\u306f\u5168\u3066\u306e\u5217\u3092\u6307\u5b9a\u3057\u3066\u3044\u308b\r\n\/\/from product\u306f\u300cproduct\u30c6\u30fc\u30d6\u30eb\u3092\u6307\u3057\u3066\u3044\u308b\u300d\r\n<\/code><\/pre>\n
\u5982\u4f55\u4ecePDD\u8fde\u63a5\u5230\u6570\u636e\u5e93<\/p>\n
\u901a\u8fc7PDO\u8fdb\u884c\u6570\u636e\u5e93\u8fde\u63a5PDO \u662f\u4e00\u79cd\u7c7b\uff0c\u5b83\u96c6\u4e2d\u5b9a\u4e49\u4e86\u7528\u4e8e\u64cd\u4f5c\u6570\u636e\u5e93\u7684\u53d8\u91cf\u548c\u51fd\u6570\u3002<\/p>\n
$pdo=new PDO('mysql:host=localhost;dbname=shop;charset=utf8','\u63a5\u7d9a\u3059\u308b\u30e6\u30fc\u30b6\u30fc\u540d','\u30d1\u30b9\u30ef\u30fc\u30c9');\r\nforeach ($pdo->query('select * from product') as $row){\r\n  echo '<p>';\r\n  echo $row['name'];\r\n}\r\n<\/code><\/pre>\n
\u751f\u6210 PDO \u5b9e\u4f8b<\/p>\n
$pdo=new PDO(...);\r\n\r\n\/\/new\u306f\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u751f\u6210\u3059\u308b\r\n\/\/\u751f\u6210\u3057\u305f\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306f\u5909\u6570\u306b\u4ee3\u5165\u3057\u3066\u304a\u304d\u3001\u30d7\u30ed\u30d1\u30c6\u30a3\u3084\u30e1\u30bd\u30c3\u30c9\u3092\u5229\u7528\u3059\u308b\u305f\u3081\u306b\u4f7f\u3046\r\n<\/code><\/pre>\n
\u8bc6\u522b\u6570\u636e\u5e93\u7684\u4fe1\u606f<\/p>\n
$pdo=new PDO('mysql:host=localhost;dbname=shop;charset=utf8','\u63a5\u7d9a\u3059\u308b\u30e6\u30fc\u30b6\u30fc\u540d','\u30d1\u30b9\u30ef\u30fc\u30c9');\r\n\r\n\/\/mysql\u306f\u300cMySQL\u306b\u63a5\u7d9a\u3059\u308b\u3053\u3068\u3092\u8868\u3059\u300d\u300c:\u300d\u4ee5\u964d\u306b\u5fc5\u8981\u306a\u60c5\u5831\u3092\u300c;\u300d\u3067\u533a\u5207\u3063\u3066\u4e26\u3079\u308b\r\n\/\/host=localhost\u306f\u300cMySQL\u304clocalhost\u306b\u5b58\u5728\u3059\u308b\u3053\u3068\u3092\u8868\u3059\u300d\r\n\/\/dbname=shop\u306f\u300cshop\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u300d\u3092\u6307\u3057charset=utf8\u306f\u300c\u6587\u5b57\u30b3\u30fc\u30c9\u3092\u8868\u3057\u3066\u3044\u308b\u300d\r\n<\/code><\/pre>\n
\u6267\u884cSQL\u547d\u4ee4<\/p>\n
PDO\u306e\u5909\u6570->query('SQL\u6587')\r\n<\/code><\/pre>\n
\u6267\u884cPHP\u4e2d\u7684select\u8bed\u53e5<\/p>\n
$pdo->query('select * from product') \r\n\r\n\/\/PDO\u30af\u30e9\u30b9\u306equery\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3057\u3066\u3044\u308b\r\n\/\/\u30e1\u30bd\u30c3\u30c9\u306e\u547c\u3073\u51fa\u3057\u65b9\u300c\u5909\u6570->\u30e1\u30bd\u30c3\u30c9\u300d\r\n\/\/query\u30e1\u30bd\u30c3\u30c9\u306f\u5f15\u6570\u306b\u6307\u5b9a\u3057\u305fSQL\u6587\u3092\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u5bfe\u3057\u3066\u5b9f\u884c\u3059\u308b\r\n<\/code><\/pre>\n
\u9010\u884c\u5904\u7406\u83b7\u53d6\u5230\u7684\u6570\u636e<\/p>\n
foreach ($pdo->query('select * from product') as $row){\r\n ...\r\n}\r\n\r\n\/\/\u30c7\u30fc\u30bf\u3092\u4ee3\u5165\u3059\u308b\u5909\u6570\u540d\u306f$row\u4ee5\u5916\u3067\u3082OK\r\n<\/code><\/pre>\n
\u63d0\u53d6\u6307\u5b9a\u5217\u7684\u6570\u636e\u3002<\/p>\n
$row['id']\r\n\r\n\/\/\u914d\u5217['\u914d\u5217\u540d']\r\n<\/code><\/pre>\n
\u641c\u7d22\u5546\u54c1\u6570\u636e<\/p>\n
\u5728\u5546\u54c1\u540d\u680f\u76ee\u4e2d\u641c\u7d22\u5546\u54c1\uff08\u8f93\u5165\u754c\u9762\uff09<\/p>\n
<p>\u5546\u54c1\u306e\u30c7\u30fc\u30bf\u3092\u691c\u7d22\u3059\u308b<\/p>\r\n<form action=\"user-output.php\" method=\"post\">\r\n<input type=\"text\" name=\"keyword\">\r\n<input type=\"submit\" value=\"\u691c\u7d22\u3059\u308b\">\r\n<\/code><\/pre>\n
\u4f7f\u7528\u5546\u54c1\u540d\u79f0\u8fdb\u884c\u5546\u54c1\u641c\u7d22\uff08\u8f93\u51fa\u811a\u672c\uff09<\/p>\n
<?php \r\n$pdo=new PDO('mysql:host=localhost;dbname=shop;charset=utf8','staff','staff0120');\r\n$sql=$pdo->prepare('select * from product where name=?');\r\n$sql->execute([$_REQUEST['keyword']]);\r\nforeach ($sql as $row){\r\n  echo '<tr>';\r\n  echo '<td>',$row['id'],'<\/td>';\r\n  echo '<td>',$row['name'],'<\/td>';\r\n  echo '<td>',$row['price'],'<\/td>';\r\n  echo '<\/tr>';\r\n}\r\n?>\r\n\r\n<\/code><\/pre>\n
\u51c6\u5907\u65b9\u6cd5\uff08SQL\u8bed\u53e5\uff09<\/p>\n
PDO\u306e\u5909\u6570->prepare('SQL\u6587')\r\n\r\n\/\/prepare\u30e1\u30bd\u30c3\u30c9\u306fSQL\u304c\u6587\u304c\u30bb\u30c3\u30c8\u3055\u308c\u305fPDOStatement\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u8fd4\u3057\u307e\u3059\r\n<\/code><\/pre>\n
\u6267\u884c\u65b9\u6cd5\uff08SQL\u8bed\u53e5\uff09<\/p>\n
PDOStatement\u306e\u5909\u6570->exrcute([\u5024])\r\n\r\n\/\/prepare\u30e1\u30bd\u30c3\u30c9\u3067\u6e96\u5099\u3057\u305fSQL\u30b9\u30af\u30ea\u30d7\u30c8\u3092execute\u30e1\u30bd\u30c3\u30c9\u3067\u5b9f\u884c\u3059\u308b\r\n<\/code><\/pre>\n
\u521b\u5efa\u5305\u542b\u5916\u952e\u7684\u8868\u683c<\/p>\n
create table rpadat ( \r\nid int not null primary key, \r\nproduct_id int not null, \r\nfee int not null, \r\nforeign key(product_id) references product(id) )\r\n<\/code><\/pre>\n
\u8d2d\u4e70\u5546\u54c1<\/p>\n
$sql=$pdo->prepare('insert into purchase values(?,?)');\r\nif ($sql->execute([$purchase_id, $_SESSION['customer']['id']])) {\r\n    foreach ($_SESSION['product'] as $product_id=>$product) {\r\n        $sql=$pdo->prepare('insert into purchase_detail values(?,?,?)');\r\n        $sql->execute([$purchase_id, $product_id, $product['count']]);\r\n    }\r\n    unset($_SESSION['product']);\r\n    echo '\u8cfc\u5165\u624b\u7d9a\u304d\u304c\u5b8c\u4e86\u3057\u307e\u3057\u305f\u3002\u3042\u308a\u304c\u3068\u3046\u3054\u3056\u3044\u307e\u3059\u3002';\r\n} else {\r\n    echo '\u8cfc\u5165\u624b\u7d9a\u304d\u4e2d\u306b\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u307e\u3057\u305f\u3002\u7533\u3057\u8a33\u3054\u3056\u3044\u307e\u305b\u3093\u3002';\r\n}\r\n<\/code><\/pre>\n
\u521b\u5efa\u767b\u5f55\u529f\u80fd<\/p>\n
<?php session_start(); ?>  \/\/\u30bb\u30c3\u30b7\u30e7\u30f3\u306e\u958b\u59cb\r\n<?php require '..\/header.php'; ?>\r\n<?php require 'menu.php'; ?>\r\n<?php\r\nunset($_SESSION['customer']);\u3000\/\/\u3059\u3067\u306b\u540c\u540d\u3067\u30ed\u30b0\u30a4\u30f3\u3057\u3066\u3044\u308b\u30e6\u30fc\u30b6\u30fc\u3092\u30ed\u30b0\u30a2\u30a6\u30c8\u306b\u3059\u308b\u8a18\u8ff0\r\n\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000 \/\/unset\u95a2\u6570\u306f\u6307\u5b9a\u3057\u305f\u5909\u6570\u3092\u524a\u9664\u3059\u308b\r\n$pdo=new PDO('mysql:host=localhost;dbname=shop;charset=utf8', \r\n    'staff', 'password');\r\n\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\/\/PDO\u3092\u4f7f\u3063\u3066shop\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3068\u63a5\u7d9a\u3059\u308b\r\n$sql=$pdo->prepare('select * from customer where login=? and password=?');\r\n\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\/\/\u30ed\u30b0\u30a4\u30f3\u540d\u3068\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u691c\u7d22\u3059\u308b\u305f\u3081\u306eSQL\u6587\r\n$sql->execute([$_REQUEST['login'], $_REQUEST['password']]);\r\n\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\/\/prepare\u30e1\u30bd\u30c3\u30c9\u3067\u6e96\u5099\u3057\u305fSQL\u30b9\u30af\u30ea\u30d7\u30c8\u3092execute\u30e1\u30bd\u30c3\u30c9\u3067\u5b9f\u884c\u3059\u308b\r\nforeach ($sql as $row) {\r\n    $_SESSION['customer']=[\r\n        'id'=>$row['id'], 'name'=>$row['name'], \r\n        'address'=>$row['address'], 'login'=>$row['login'], \r\n        'password'=>$row['password']];\r\n                              \/\/\u30bb\u30c3\u30b7\u30e7\u30f3\u30c7\u30fc\u30bf\u306e\u767b\u9332\r\n\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\/\/\r\n}\r\nif (isset($_SESSION['customer'])) {\r\n    echo '\u3044\u3089\u3063\u3057\u3083\u3044\u307e\u305b\u3001', $_SESSION['customer']['name'], '\u3055\u3093\u3002';\r\n} else {\r\n    echo '\u30ed\u30b0\u30a4\u30f3\u540d\u307e\u305f\u306f\u30d1\u30b9\u30ef\u30fc\u30c9\u304c\u9055\u3044\u307e\u3059\u3002';\r\n}\r\n?>\r\n<?php require '..\/footer.php'; ?>\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
\u9996\u5148\u6211\u6b63\u5728\u5b66\u4e60PHP\u3002 \u6211\u6b63\u5728\u4e3a\u81ea\u5df1\u505a\u7b14\u8bb0\u3002 \u4ece\u6587\u672c\u6846\u4e2d\u83b7\u53d6\u6570\u636e <input type=”text”  […]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-30729","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"\nPHP\u57fa\u672c\u7b14\u8bb0 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u5173\u4e8ePHP\u57fa\u672c\u7b14\u8bb0\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/php\u57fa\u672c\u7b14\u8bb0\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"PHP\u57fa\u672c\u7b14\u8bb0\" \/>\n<meta property=\"og:description\" content=\"\u5173\u4e8ePHP\u57fa\u672c\u7b14\u8bb0\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/php\u57fa\u672c\u7b14\u8bb0\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2022-11-18T15:32:07+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-08-12T12:32:32+00:00\" \/>\n<meta name=\"author\" content=\"\u79d1, \u96c5\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u79d1, \u96c5\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/php%e5%9f%ba%e6%9c%ac%e7%ac%94%e8%ae%b0\/\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/php%e5%9f%ba%e6%9c%ac%e7%ac%94%e8%ae%b0\/\",\"name\":\"PHP\u57fa\u672c\u7b14\u8bb0 - Blog - Silicon Cloud\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\"},\"datePublished\":\"2022-11-18T15:32:07+00:00\",\"dateModified\":\"2025-08-12T12:32:32+00:00\",\"author\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/41e222757cdd2a3365361328bd79970a\"},\"description\":\"\u5173\u4e8ePHP\u57fa\u672c\u7b14\u8bb0\u7684\u6280\u672f\u6587\u7ae0\",\"breadcrumb\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/php%e5%9f%ba%e6%9c%ac%e7%ac%94%e8%ae%b0\/#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.silicloud.com\/zh\/blog\/php%e5%9f%ba%e6%9c%ac%e7%ac%94%e8%ae%b0\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/php%e5%9f%ba%e6%9c%ac%e7%ac%94%e8%ae%b0\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.silicloud.com\/zh\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"PHP\u57fa\u672c\u7b14\u8bb0\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/\",\"name\":\"Blog - 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