{"id":1750,"date":"2020-06-23T07:08:54","date_gmt":"2020-06-22T22:08:54","guid":{"rendered":"https:\/\/took.jp\/?p=1750"},"modified":"2021-10-04T00:58:05","modified_gmt":"2021-10-03T15:58:05","slug":"post-1750","status":"publish","type":"post","link":"https:\/\/took.jp\/tech-blog\/post-1750\/","title":{"rendered":"PHP\u3067\u63b2\u793a\u677f\u30b5\u30a4\u30c8\u3092\u4f5c\u3063\u3066\u307f\u3088\u3046\u3010\u56de\u7b54\u7de8\u3011"},"content":{"rendered":"

\u3053\u3061\u3089\u306e\u8a18\u4e8b\u306f\u3001\u300cPHP\u3067\u63b2\u793a\u677f\u30b5\u30a4\u30c8\u3092\u4f5c\u3063\u3066\u307f\u3088\u3046<\/strong>\u300d\u3068\u3044\u3046\u8a18\u4e8b\u306e\u56de\u7b54\u7de8<\/span><\/strong>\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

\u6c17\u306b\u306a\u308b\u65b9\u306f\u3001\u4ee5\u4e0b\u306e\u30ea\u30f3\u30af\u3088\u308a\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n

 <\/p>\n

\"PHP\u3067\u63b2\u793a\u677f\u30b5\u30a4\u30c8\u3092\u4f5c\u3063\u3066\u307f\u3088\u3046\u3010\u30b5\u30f3\u30d7\u30eb\u30bd\u30fc\u30b9\u516c\u958b\u3011\"<\/div>
PHP\u3067\u63b2\u793a\u677f\u30b5\u30a4\u30c8\u3092\u4f5c\u3063\u3066\u307f\u3088\u3046\u3010\u30b5\u30f3\u30d7\u30eb\u30bd\u30fc\u30b9\u516c\u958b\u3011<\/div>
2020.1.14<\/div>
\u3053\u3061\u3089\u306f\u3001\u3053\u308c\u304b\u3089\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3092\u5b66\u3093\u3067\u3044\u304d\u305f\u3044\u3068\u3044\u3046\u521d\u5fc3\u8005\u306e\u65b9\u5411\u3051\u306e\u8a18\u4e8b\u3067\u3059\u3002 \u4e00\u7dd2\u306bPHP\u3067\u63b2\u793a\u677f\u30b5\u30a4\u30c8\u3092\u4f5c\u6210\u3057\u3001\u7406\u89e3\u3092\u6df1\u3081\u3066\u3082\u3089\u3048\u308c\u3070\u3068\u601d\u3044\u307e\u3059\u3002 \u307e\u305a\u59cb\u3081\u306b \u5b66\u3079\u308b\u6280\u8853 \u3053\u3061\u3089\u306e\u8a18\u4e8b\u3067\u5b66\u3079\u308b\u6280\u8853\u306f\u3001 fa-chevron-circle-right\u8a00\u8a9e\uff1aPHP fa-chevron-circl...<\/div><\/a><\/div>\n

\u8ab2\u984c\uff11 \u6295\u7a3f\u5185\u5bb9\u4e00\u89a7\u306b\u3001\u6295\u7a3f\u6642\u9593\u3092\u8868\u793a\u3055\u305b\u307e\u3057\u3087\u3046\u3002<\/strong><\/h2>\n

\u7b54\u3048<\/h3>\n

index.php\u3067\u306e\u30c7\u30fc\u30bf\u51fa\u529b\u90e8\u5206\u306b<\/p>\n

<div>\u6295\u7a3f\u6642\u9593\uff1a<?php echo $loop['created_at']?><\/div><\/code><\/pre>\n
\u3092\u8ffd\u8a18\u3067\u304d\u3066\u3044\u308c\u3070\u6b63\u89e3\u3067\u3059\u3002<\/p>\n
 <\/p>\n
\u89e3\u8aac<\/h3>\n
DB\u306b\u3042\u308b\u30c7\u30fc\u30bf\u3092\u8868\u793a\u3059\u308b\u307e\u3067\u306e\u6d41\u308c\u306f\u3001<\/p>\n
\n
\n
1. \u30c7\u30fc\u30bf\u3092\u767b\u9332
\n2. \u30c7\u30fc\u30bf\u306e\u767b\u9332\u3092\u78ba\u8a8d
\n3. \u30c7\u30fc\u30bf\u3092\u53d6\u5f97
\n4. \u53d6\u5f97\u3057\u305f\u30c7\u30fc\u30bf\u3092\u8868\u793a<\/div>\n<\/div>\n<\/div>\n
\u306e\u6d41\u308c\u3067\u3059\u3002<\/p>\n
\u4eca\u56de\u306e\u6295\u7a3f\u6642\u9593\u306e\u8868\u793a\u306f\u3001\u3059\u3067\u306b\u30c7\u30fc\u30bf\u53d6\u5f97\u307e\u3067\u6e08\u3093\u3067\u3044\u308b\u305f\u3081\u3001\u3053\u3053\u3067\u3084\u308b\u3053\u3068\u306f\u3001\u3059\u3067\u306b\u767b\u9332\u3055\u308c\u3066\u3044\u308b\u6295\u7a3f\u6642\u9593\u3092\u8868\u793a\u3059\u308b\u3060\u3051\u3067\u3059\u3002<\/p>\n
 <\/p>\n
\u307e\u305a\u306f\u3001\u5ff5\u306e\u70ba\u3001DB\u306b\u767b\u9332\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n
mysql -u root -p sample<\/code><\/pre>\n
\u3053\u308c\u3067\u3001MySQL\u306b\u30ed\u30b0\u30a4\u30f3\u5f8c\u3001sampleDB\u3092\u9078\u629e\u3057\u3066\u3044\u308b\u72b6\u614b\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
select * from post limit 1;<\/code><\/pre>\n
 <\/p>\n
sampleDB\u5185\u306epost\u30c6\u30fc\u30d6\u30eb\u306e\u30c7\u30fc\u30bf\u30921\u3064\u53d6\u5f97\u3057\u3001\u5168\u3066\u306e\u30ab\u30e9\u30e0\u3092\u8868\u793a\u3055\u305b\u307e\u3059\u3002<\/p>\n
created_at\u3068\u3044\u3046\u30ab\u30e9\u30e0\u3092\u78ba\u8a8d\u3059\u308b\u3068\u3001\u78ba\u304b\u306b\u65e5\u4ed8\u304c\u767b\u9332\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u78ba\u8a8d\u3067\u304d\u305f\u304b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n
 <\/p>\n
DB\u304b\u3089\u6295\u7a3f\u5185\u5bb9\u3092\u53d6\u5f97\u3059\u308b\u969b\u306b\u767a\u884c\u3057\u3066\u3044\u308bSQL\u6587\u3092\u898b\u3066\u307f\u308b\u3068\u3001<\/p>\n
$regist = $pdo->prepare(\"SELECT * FROM post\");<\/code><\/pre>\n
 <\/p>\n
\u3068\u66f8\u3044\u3066\u3042\u308a\u307e\u3059\u3002<\/p>\n
 <\/p>\n
\u3053\u308c\u306f\u3001post\u30c6\u30fc\u30d6\u30eb\uff08\u6295\u7a3f\u4e00\u89a7\uff09\u304b\u3089\u5168\u3066\u306e\u30ab\u30e9\u30e0(*)\u3092\u53d6\u5f97\u3059\u308b\u3053\u3068\u3092\u8868\u3057\u3066\u3044\u308b\u305f\u3081\u3001created_at\u30ab\u30e9\u30e0\u3082\u53d6\u5f97\u3067\u304d\u3066\u3044\u308b\u3068\u3044\u3046\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u305d\u306e\u305f\u3081\u3001\u3053\u3053\u3067\u884c\u3046\u3053\u3068\u306f\u3001\u305d\u306e\u30c7\u30fc\u30bf\u3092\u753b\u9762\u4e0a\u306b\u8868\u793a\u3059\u308b\u3060\u3051\u3067\u3059\u3002<\/p>\n
\u4ed6\u306e\u90e8\u5206\u3068\u540c\u3058\u3088\u3046\u306b\u8868\u793a\u3055\u305b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n
<section>\r\n\t<h2>\u6295\u7a3f\u5185\u5bb9\u4e00\u89a7<\/h2>\r\n\t\t<?php foreach($regist as $loop):?>\r\n\t\t\t<div>No\uff1a<?php echo $loop['id']?><\/div>\r\n\t\t\t<div>\u540d\u524d\uff1a<?php echo $loop['name']?><\/div>\r\n\t\t\t<div>\u6295\u7a3f\u5185\u5bb9\uff1a<?php echo $loop['contents']?><\/div>\r\n                        <div>\u6295\u7a3f\u6642\u9593\uff1a<?php echo $loop['created_at']?><\/div>\r\n\t\t\t<div>------------------------------------------<\/div>\r\n\t\t<?php endforeach;?>\r\n\t\r\n<\/section><\/code><\/pre>\n
\u3053\u3053\u3067\u306f\u3001\u53d6\u5f97\u3057\u305f\u30c7\u30fc\u30bf\u304c$regist\u306b\u683c\u7d0d\u3055\u308c\u3066\u304a\u308a\u3001\u30c7\u30fc\u30bf\u3092\u4e00\u3064\u305a\u3064foreach\u6587\u3067\u56de\u3057\u3066\u3001\u51fa\u529b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
 <\/p>\n
\u914d\u5217\u5185\u306b\u3069\u3093\u306a\u30c7\u30fc\u30bf\u304c\u5b58\u5728\u3059\u308b\u304b\u78ba\u8a8d\u3057\u305f\u3044\u5834\u5408\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8a18\u8ff0\u3059\u308b\u3053\u3068\u3067\u78ba\u8a8d\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n
var_dump($regist);<\/code><\/pre>\n
 <\/p>\n
\u8ab2\u984c\uff12 \u6700\u65b0\u306e\u6295\u7a3f20\u4ef6\u307e\u3067\u3092\u65b0\u3057\u3044\u9806\u306b\u8868\u793a\u3059\u308b\u3088\u3046\u306b\u66f8\u304d\u63db\u3048\u307e\u3057\u3087\u3046\u3002<\/strong><\/h2>\n
\u7b54\u3048<\/h3>\n
index.php\u306e\u30c7\u30fc\u30bf\u53d6\u5f97\u90e8\u5206\u3092<\/p>\n
$regist = $pdo->prepare(\"SELECT * FROM post order by created_at DESC limit 20\");<\/code><\/pre>\n
 <\/p>\n
\u306b\u66f8\u304d\u63db\u3048\u308c\u3066\u3044\u308c\u3070\u6b63\u89e3\u3067\u3059\u3002<\/p>\n
 <\/p>\n
\u89e3\u8aac<\/h3>\n
\u3053\u3061\u3089\u306f\u3001SQL\u6587\u3092\u66f8\u304d\u63db\u3048\u308b\u554f\u984c\u3067\u3059\u3002<\/p>\n
\u3053\u3053\u3067\u306f\u3001\u51e6\u7406\u30922\u3064\u306b\u5206\u3051\u3066\u8003\u3048\u308b\u3068\u308f\u304b\u308a\u3084\u3059\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n
\n
\n
1. \u6295\u7a3f\u5185\u5bb9\u306e\u53d6\u5f97\u4ef6\u6570\u309220\u4ef6\u306b\u5236\u9650\u3059\u308b\u3002
\n2. \u9806\u756a\u3092\u6295\u7a3f\u65e5\u6642\u306e\u65b0\u3057\u3044\u9806\u306b\u5165\u308c\u66ff\u3048\u308b\u3002<\/div>\n<\/div>\n<\/div>\n
 <\/p>\n
\u7b54\u3048\u3067\u306f\u3001\u4f7f\u7528\u3059\u308bSQL\u6587\u3092\u300cSELECT * FROM post order by created_at DESC limit 20\u300d\u306b\u5909\u66f4\u3057\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n
\u3053\u3053\u306e\u610f\u5473\u306f\u3001<\/p>\n
\n
SELECT * FROM post order by created_at DESC<\/span> limit 20<\/span><\/strong><\/span><\/div>\n<\/div>\n
 <\/p>\n
\u9ec4\u8272\uff1a\u30c7\u30fc\u30bf\u53d6\u5f97\u4ef6\u6570\u3092\u6700\u592720\u4ef6\u306b\u5236\u9650\u3059\u308b<\/p>\n
\u8d64\u7dda\uff1acreated_at\u30ab\u30e9\u30e0\u3092\u57fa\u6e96\u306b\u964d\u9806\u306b\u4e26\u3073\u66ff\u3048\u3092\u884c\u3046\u3002<\/p>\n
 <\/p>\n
\u3053\u306e\u3088\u3046\u306a\u610f\u5473\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n
 <\/p>\n
\u3082\u3057\u3001\u30c7\u30fc\u30bf\u53d6\u5f97\u5f8c\u306e\u30c7\u30fc\u30bf\u306e\u9806\u756a\u3092\u5165\u308c\u66ff\u3048\u3001\u4ef6\u6570\u5236\u9650\u3082\u3057\u305f\u3068\u3044\u3046\u4eba\u304c\u3044\u308c\u3070\u3001\u4e00\u5fdc\u3001\u6b63\u89e3\u3067\u306f\u3042\u308a\u307e\u3059\u304c\u3001\u3042\u307e\u308a\u671b\u307e\u3057\u304f\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n
\u3053\u306e\u5834\u5408\u3001\u63b2\u793a\u677f\u306e\u30c7\u30fc\u30bf\u3092\u5168\u4ef6\u53d6\u5f97\u3057\u305f\u5f8c\u306b\u51e6\u7406\u3092\u3057\u307e\u3059\u306e\u3067\u3001\u63b2\u793a\u677f\u306e\u30c7\u30fc\u30bf\u304c1000\u4ef6\u3042\u308c\u3070\u3001\u7121\u99c4\u306b\u305d\u306e1000\u4ef6\u3092\u53d6\u5f97\u3057\u3066\u3044\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u305d\u306e\u305f\u3081\u3001\u53d6\u5f97\u3059\u308b\u6642\u70b9\u3067\u5236\u9650\u3057\u3066\u3042\u3052\u308b\u65b9\u304c\u597d\u307e\u3057\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n
 <\/p>\n
\u8ab2\u984c\uff13 \u6295\u7a3f\u9001\u4fe1\u6642\u306e\u52d5\u4f5c\u3092\u5909\u66f4\u3002<\/span><\/strong><\/h2>\n
\u7b54\u3048<\/h3>\n
\u30d5\u30a9\u30fc\u30e0\u306e\u9001\u4fe1\u5148\u3092send.php\u304b\u3089index.php\u306b\u5909\u66f4\u3002<\/p>\n
<form action=\"index.php\" method=\"post\"><\/code><\/pre>\n
 <\/p>\n
\u305d\u306e\u5f8c\u3001send.php\u3067\u4f7f\u7528\u3057\u3066\u3044\u305fDB\u3078\u306e\u66f8\u304d\u8fbc\u307f\u51e6\u7406\u3092\u30b3\u30d4\u30da\u3057\u3066\u3001index.php\u306b\u8cbc\u308a\u4ed8\u3051\u3002<\/p>\n
\u66f8\u304d\u8fbc\u307f\u306f\u3001index.php\u306bPOST\u304c\u3042\u3063\u305f\u5834\u5408\u306e\u307f\u306b\u3057\u305f\u3044\u306e\u3067\u3001\u66f8\u304d\u8fbc\u307f\u51e6\u7406\u3092if\u6587\u3067\u56f2\u307f\u307e\u3059\u3002<\/p>\n
 <\/p>\n
if($_POST){\r\n    $id = null;\r\n    $name = $_POST[\"name\"];\r\n    $contents = $_POST[\"contents\"];\r\n    date_default_timezone_set('Asia\/Tokyo');\r\n    $created_at = date(\"Y-m-d H:i:s\");\r\n    \/\/DB\u63a5\u7d9a\u60c5\u5831\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002\r\n    $pdo = new PDO(\r\n        \"mysql:dbname=sample;host=localhost\",\"root\",\"\",array(PDO::MYSQL_ATTR_INIT_COMMAND => \"SET CHARACTER SET `utf8`\")\r\n    );\r\n    \/\/\u3053\u3053\u3067\u300cDB\u63a5\u7d9aNG\u300d\u3060\u3063\u305f\u5834\u5408\u3001\u63a5\u7d9a\u60c5\u5831\u306b\u8aa4\u308a\u304c\u3042\u308a\u307e\u3059\u3002\r\n    if ($pdo) {\r\n        echo \"DB\u63a5\u7d9aOK\";\r\n    } else {\r\n        echo \"DB\u63a5\u7d9aNG\";\r\n    }\r\n    \/\/SQL\u3092\u5b9f\u884c\u3002\r\n    $regist = $pdo->prepare(\"INSERT INTO post(id, name, contents, created_at) VALUES (:id,:name,:contents,:created_at)\");\r\n    $regist->bindParam(\":id\", $id);\r\n    $regist->bindParam(\":name\", $name);\r\n    $regist->bindParam(\":contents\", $contents);\r\n    $regist->bindParam(\":created_at\", $created_at);\r\n    $regist->execute();\r\n    \/\/\u3053\u3053\u3067\u300c\u767b\u9332\u5931\u6557\u300d\u3060\u3063\u305f\u5834\u5408\u3001SQL\u6587\u306b\u8aa4\u308a\u304c\u3042\u308a\u307e\u3059\u3002\r\n    if ($regist) {\r\n        echo \"\u767b\u9332\u6210\u529f\";\r\n    } else {\r\n        echo \"\u767b\u9332\u5931\u6557\";\r\n    }\r\n}<\/code><\/pre>\n
 <\/p>\n
\u89e3\u8aac<\/h3>\n
\u3053\u3053\u306f\u3001\u307b\u3068\u3093\u3069\u89e3\u8aac\u304c\u3044\u3089\u306a\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n
send.php\u3067\u3057\u3066\u3044\u305f\u300cPOST\u3055\u308c\u305f\u30c7\u30fc\u30bf\u3092DB\u306b\u66f8\u304d\u8fbc\u3080<\/strong>\u300d\u51e6\u7406\u3092index.php\u306b\u5199\u3057\u3001\u30d5\u30a9\u30fc\u30e0\u306e\u9001\u4fe1\u5148\u3092index.php\u306b\u5909\u3048\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u307e\u305f\u3001POST\u3055\u308c\u305f\u6642\u306e\u307f\u66f8\u304d\u8fbc\u307f\u51e6\u7406\u3092\u8d70\u3089\u305b\u305f\u3044\u306e\u3067\u3001<\/p>\n
if($_POST){<\/code><\/pre>\n
 <\/p>\n
\u3068\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
 <\/p>\n
\u8ab2\u984c\uff14 \u30d5\u30a9\u30fc\u30e0\u306e\u5165\u529b\u5024\u304c\u7a7a\u3060\u3063\u305f\u5834\u5408\u3001\u9001\u4fe1\u3067\u304d\u306a\u3044\u3088\u3046\u306b\u3059\u308b\u3002<\/span><\/h2>\n
\u7b54\u3048<\/h3>\n
index.php\u306e\u5185\u5bb9\u3092\u5168\u3066\u8f09\u305b\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n
<?php\r\n$errors = [];\r\nif($_POST){\r\n    $id = null;\r\n    $name = $_POST[\"name\"];\r\n    $contents = $_POST[\"contents\"];\r\n    if(null === $name){\r\n        $errors[] .= \"\u540d\u524d\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\";\r\n    }\r\n    if(null === $contents){\r\n        $errors[] .= \"\u6295\u7a3f\u5185\u5bb9\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\";\r\n    }\r\n    if(!$errors){\r\n        date_default_timezone_set('Asia\/Tokyo');\r\n        $created_at = date(\"Y-m-d H:i:s\");\r\n        \/\/DB\u63a5\u7d9a\u60c5\u5831\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002\r\n        $pdo = new PDO(\r\n            \"mysql:dbname=sample;host=localhost\",\"root\",\"\",array(PDO::MYSQL_ATTR_INIT_COMMAND => \"SET CHARACTER SET `utf8`\")\r\n        );\r\n        \/\/\u3053\u3053\u3067\u300cDB\u63a5\u7d9aNG\u300d\u3060\u3063\u305f\u5834\u5408\u3001\u63a5\u7d9a\u60c5\u5831\u306b\u8aa4\u308a\u304c\u3042\u308a\u307e\u3059\u3002\r\n        if ($pdo) {\r\n            echo \"DB\u63a5\u7d9aOK\";\r\n        } else {\r\n            echo \"DB\u63a5\u7d9aNG\";\r\n        }\r\n        \/\/SQL\u3092\u5b9f\u884c\u3002\r\n        $regist = $pdo->prepare(\"INSERT INTO post(id, name, contents, created_at) VALUES (:id,:name,:contents,:created_at)\");\r\n        $regist->bindParam(\":id\", $id);\r\n        $regist->bindParam(\":name\", $name);\r\n        $regist->bindParam(\":contents\", $contents);\r\n        $regist->bindParam(\":created_at\", $created_at);\r\n        $regist->execute();\r\n        \/\/\u3053\u3053\u3067\u300c\u767b\u9332\u5931\u6557\u300d\u3060\u3063\u305f\u5834\u5408\u3001SQL\u6587\u306b\u8aa4\u308a\u304c\u3042\u308a\u307e\u3059\u3002\r\n        if ($regist) {\r\n            echo \"\u767b\u9332\u6210\u529f\";\r\n        } else {\r\n            echo \"\u767b\u9332\u5931\u6557\";\r\n        }\r\n    }\r\n}\r\n\r\n\/\/DB\u63a5\u7d9a\u60c5\u5831\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002\r\n$pdo = new PDO(\r\n    \"mysql:dbname=sample;host=localhost\",\"root\",\"\",array(PDO::MYSQL_ATTR_INIT_COMMAND => \"SET CHARACTER SET `utf8`\")\r\n);\r\n\/\/\u3053\u3053\u3067\u300cDB\u63a5\u7d9aNG\u300d\u3060\u3063\u305f\u5834\u5408\u3001\u63a5\u7d9a\u60c5\u5831\u306b\u8aa4\u308a\u304c\u3042\u308a\u307e\u3059\u3002\r\nif ($pdo) {\r\n    echo \"DB\u63a5\u7d9aOK\";\r\n} else {\r\n    echo \"DB\u63a5\u7d9aNG\";\r\n}\r\n\/\/SQL\u3092\u5b9f\u884c\u3002\r\n$regist = $pdo->prepare(\"SELECT * FROM post order by created_at DESC limit 20\");\r\n$regist->execute();\r\n\/\/\u3053\u3053\u3067\u300c\u767b\u9332\u5931\u6557\u300d\u3060\u3063\u305f\u5834\u5408\u3001SQL\u6587\u306b\u8aa4\u308a\u304c\u3042\u308a\u307e\u3059\u3002\r\nif ($regist) {\r\n    echo \"\u767b\u9332\u6210\u529f\";\r\n} else {\r\n    echo \"\u767b\u9332\u5931\u6557\";\r\n}\r\n?>\r\n<!-- \u8ffd\u8a18\uff11\u3053\u3053\u307e\u3067 -->\r\n\r\n<!DOCTYPE html>\r\n<meta charset=\"UTF-8\">\r\n<title>\u63b2\u793a\u677f\u30b5\u30f3\u30d7\u30eb<\/title>\r\n<h1>\u63b2\u793a\u677f\u30b5\u30f3\u30d7\u30eb<\/h1>\r\n<section>\r\n    <h2>\u65b0\u898f\u6295\u7a3f<\/h2>\r\n    <div id=\"error\"><?php foreach($errors as $error){echo $error.'<br>';}?><\/div>\r\n    <form action=\"index.php\" method=\"post\">\r\n        \u540d\u524d : <input type=\"text\" name=\"name\" value=\"\"><br>\r\n        \u6295\u7a3f\u5185\u5bb9: <input type=\"text\" name=\"contents\" value=\"\"><br>\r\n        <button type=\"submit\">\u6295\u7a3f<\/button>\r\n    <\/form>\r\n<\/section>\r\n\r\n<!-- \u8ffd\u8a18\uff12\u3053\u3053\u304b\u3089 -->\r\n<section>\r\n\t<h2>\u6295\u7a3f\u5185\u5bb9\u4e00\u89a7<\/h2>\r\n\t\t<?php foreach($regist as $loop):?>\r\n\t\t\t<div>No\uff1a<?php echo $loop['id']?><\/div>\r\n\t\t\t<div>\u540d\u524d\uff1a<?php echo $loop['name']?><\/div>\r\n\t\t\t<div>\u6295\u7a3f\u5185\u5bb9\uff1a<?php echo $loop['contents']?><\/div>\r\n\t\t\t<div>\u6295\u7a3f\u6642\u9593\uff1a<?php echo $loop['created_at']?><\/div>\r\n\t\t\t<div>------------------------------------------<\/div>\r\n\t\t<?php endforeach;?>\r\n\t\r\n<\/section>\r\n<!-- \u8ffd\u8a18\uff12\u3053\u3053\u307e\u3067 --><\/code><\/pre>\n
 <\/p>\n
\u89e3\u8aac<\/h3>\n
\u3082\u3057\u540d\u524d\u304c\u5165\u529b\u3055\u308c\u3066\u3044\u306a\u3051\u308c\u3070\u3001$errors\u5909\u6570\u306b\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u8ffd\u52a0\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
if(!$name){\r\n     $errors[] .= \"\u540d\u524d\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\";\r\n}<\/code><\/pre>\n
\u5185\u5bb9\uff08$contents\uff09\u306b\u5bfe\u3057\u3066\u3082\u3001\u540c\u69d8\u306e\u51e6\u7406\u3092\u3057\u3001$errors\u306b\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u5165\u3063\u3066\u3044\u306a\u3051\u308c\u3070DB\u3078\u306e\u66f8\u304d\u8fbc\u307f\u51e6\u7406\u3092\u5b9f\u65bd\u3059\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
 <\/p>\n
\u307e\u305f\u3001\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u8868\u793a\u306f\u3001$errors\u306b\u914d\u5217\u3068\u3057\u3066\u4fdd\u5b58\u3055\u308c\u305f\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u51fa\u529b\u3059\u308b\u305f\u3081\u306bforeach\u6587\u3067\u66f8\u304d\u51fa\u3057\u3092\u884c\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n
<div id=\"error\"><?php foreach($errors as $error){echo $error.'<br>';}?><\/div><\/code><\/pre>\n
 <\/p>\n
\u8ab2\u984c\uff15 \u6295\u7a3f\u3092ajax\u3067\u51e6\u7406\u3059\u308b\u3002<\/span><\/strong><\/h2>\n
\u7b54\u3048<\/h3>\n
\u3053\u308c\u306b\u3064\u3044\u3066\u3082\u3001\u5168\u3066\u306e\u30b3\u30fc\u30c9\u3092\u8f09\u305b\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n
 <\/p>\n
\u307e\u305a\u306f\u3001index.php\u3002<\/p>\n
<?php\r\nrequire_once \"send.php\";\r\n$regist = getPostData();\r\n?>\r\n\r\n<!DOCTYPE html>\r\n<head>\r\n    <meta charset=\"UTF-8\">\r\n    <title>\u63b2\u793a\u677f\u30b5\u30f3\u30d7\u30eb<\/title>\r\n    <script src=\"https:\/\/ajax.googleapis.com\/ajax\/libs\/jquery\/3.3.1\/jquery.min.js\"><\/script>\r\n<\/head>\r\n<h1>\u63b2\u793a\u677f\u30b5\u30f3\u30d7\u30eb<\/h1>\r\n<section>\r\n    <h2>\u65b0\u898f\u6295\u7a3f<\/h2>\r\n    <div id=\"error\"><\/div>\r\n    \u540d\u524d : <input type=\"text\" name=\"name\" value=\"\" id=\"name\"><br>\r\n    \u6295\u7a3f\u5185\u5bb9: <input type=\"text\" name=\"contents\" value=\"\" id=\"contents\"><br>\r\n    <button type=\"submit\" id=\"send\">\u6295\u7a3f<\/button>\r\n<\/section>\r\n\r\n<section>\r\n\t<h2>\u6295\u7a3f\u5185\u5bb9\u4e00\u89a7<\/h2>\r\n        <div id=\"post-data\">\r\n            <?php foreach($regist as $loop):?>\r\n                <div>No\uff1a<?php echo $loop['id']?><\/div>\r\n                <div>\u540d\u524d\uff1a<?php echo $loop['name']?><\/div>\r\n                <div>\u6295\u7a3f\u5185\u5bb9\uff1a<?php echo $loop['contents']?><\/div>\r\n                <div>\u6295\u7a3f\u6642\u9593\uff1a<?php echo $loop['created_at']?><\/div>\r\n                <div>------------------------------------------<\/div>\r\n            <?php endforeach;?>\r\n        <\/div>\r\n<\/section>\r\n\r\n<script>\r\ndocument.getElementById('send').onclick = function(){\r\n    let name = $('#name').val();\r\n    let contents = $('#contents').val();\r\n    $.ajax({\r\n        url: \"send.php\",\r\n        type: \"post\",\r\n        dataType: \"text\",\r\n        data:{'name': name, 'contents': contents}\r\n    }).done(function (response) {\r\n        let res = JSON.parse(response);\r\n        let html = '';\r\n        if(!res['error']){\r\n            res.forEach( val => {\r\n                html += \r\n                    `<div>No\uff1a${val['id']}<\/div>\r\n                    <div>\u540d\u524d\uff1a${val['name']}<\/div>\r\n                    <div>\u6295\u7a3f\u5185\u5bb9\uff1a${val['contents']}<\/div>\r\n                    <div>\u6295\u7a3f\u6642\u9593\uff1a${val['created_at']}<\/div>\r\n                    <div>------------------------------------------<\/div>`;\r\n            });\r\n            $('#post-data').html(html);\r\n            $('#error').html('');\r\n            $('#name').val('');\r\n            $('#contents').val('');\r\n        }else{\r\n            res['error'].forEach( val => {\r\n                html += val + '<br>';\r\n            });\r\n            $('#error').html(html);\r\n        }\r\n    }).fail(function (xhr,textStatus,errorThrown) {\r\n        alert('error');\r\n    });\r\n}\r\n<\/script><\/code><\/pre>\n
 <\/p>\n
send.php<\/p>\n
<?php\r\n$errors = [];\r\n\r\nif($_POST){\r\n    $id = null;\r\n    $name = $_POST[\"name\"];\r\n    $contents = $_POST[\"contents\"];\r\n    if(!$name){\r\n        $errors[] .= \"\u540d\u524d\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\";\r\n    }\r\n    if(!$contents){\r\n        $errors[] .= \"\u6295\u7a3f\u5185\u5bb9\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\";\r\n    }\r\n    if(!$errors){\r\n        date_default_timezone_set('Asia\/Tokyo');\r\n        $created_at = date(\"Y-m-d H:i:s\");\r\n        \/\/DB\u63a5\u7d9a\u60c5\u5831\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002\r\n        $pdo = new PDO(\r\n            \"mysql:dbname=sample;host=localhost\",\"root\",\"\",array(PDO::MYSQL_ATTR_INIT_COMMAND => \"SET CHARACTER SET `utf8`\")\r\n        );\r\n        \/\/SQL\u3092\u5b9f\u884c\u3002\r\n        $regist = $pdo->prepare(\"INSERT INTO post(id, name, contents, created_at) VALUES (:id,:name,:contents,:created_at)\");\r\n        $regist->bindParam(\":id\", $id);\r\n        $regist->bindParam(\":name\", $name);\r\n        $regist->bindParam(\":contents\", $contents);\r\n        $regist->bindParam(\":created_at\", $created_at);\r\n        $regist->execute();\r\n\r\n        $res = [];\r\n        $post_data = getPostData();\r\n        $cnt = 0;\r\n        foreach($post_data as $loop){\r\n            $res[$cnt]['id'] = $loop['id'];\r\n            $res[$cnt]['name'] = $loop['name'];\r\n            $res[$cnt]['contents'] = $loop['contents'];\r\n            $res[$cnt]['created_at'] = $loop['created_at'];\r\n            $cnt++;\r\n        }\r\n        echo json_encode($res);\r\n    }else{\r\n        echo json_encode(['error' => $errors]);\r\n    }\r\n}\r\n\r\nfunction getPostData(){\r\n    \/\/DB\u63a5\u7d9a\u60c5\u5831\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002\r\n    $pdo = new PDO(\r\n        \"mysql:dbname=sample;host=localhost\",\"root\",\"\",array(PDO::MYSQL_ATTR_INIT_COMMAND => \"SET CHARACTER SET `utf8`\")\r\n    );\r\n    \/\/SQL\u3092\u5b9f\u884c\u3002\r\n    $regist = $pdo->prepare(\"SELECT * FROM post order by created_at DESC limit 20\");\r\n    $regist->execute();\r\n    return $regist;\r\n}\r\n?><\/code><\/pre>\n
 <\/p>\n
\u89e3\u8aac<\/h3>\n
\u5909\u66f4\u70b9\u304c\u591a\u3044\u306e\u3067\u3001\u7d30\u304b\u306a\u8aac\u660e\u306f\u7701\u304d\u307e\u3059\u3002<\/p>\n
\u6295\u7a3f\u9001\u4fe1\u6642\u306b\u3001ajax\u3067DB\u3078\u306e\u767b\u9332\u3001DB\u304b\u3089\u53d6\u5f97\u306e\u51e6\u7406\u3092\u3057\u3001\u63b2\u793a\u677f\u306e\u5185\u5bb9\u3092\u6700\u65b0\u306e\u72b6\u614b\u306b\u5909\u66f4\u3059\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
 <\/p>\n
\u4eca\u56de\u306e\u8ab2\u984c\u306f\u3001\u305f\u3060\u30c7\u30fc\u30bf\u306e\u767b\u9332\u3092ajax\u3067\u884c\u3046\u3060\u3051\u3067\u306a\u304f\u3001\u66f4\u65b0\u3057\u305f\u60c5\u5831\u3092\u53d7\u3051\u53d6\u308a\u3001javascript\u304b\u3089HTML\u3092\u751f\u6210\u3059\u308b\u5fc5\u8981\u304c\u3042\u3063\u305f\u305f\u3081\u3001\u5c11\u3057\u96e3\u3057\u304b\u3063\u305f\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n
 <\/p>\n
\u203b \u8ab2\u984c6\u306b\u3064\u3044\u3066\u306f\u7701\u7565\u3055\u305b\u3066\u3044\u305f\u3060\u304d\u307e\u3059\u3002<\/p>\n
\u4eca\u5f8c\u306e\u5b66\u7fd2\u306b\u3064\u3044\u3066<\/h2>\n
\u4eca\u56de\u3001\u5b9f\u8df5\u3057\u305fPHP\u63b2\u793a\u677f\u306f\u3001\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3092\u4e00\u5207\u4f7f\u7528\u3057\u307e\u305b\u3093\u3067\u3057\u305f\u304c\u3001\u696d\u52d9\u3067Web\u30b5\u30fc\u30d3\u30b9\u3092\u4f5c\u308b\u5834\u5408\u306b\u306f\u3001\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3092\u4f7f\u3046\u3053\u3068\u304c\u307b\u3068\u3093\u3069\u3067\u3059\u3002<\/p>\n
\u305d\u306e\u305f\u3081\u3001\u4eca\u5ea6\u306fLaravel\u3084CakePHP\u306a\u3069\u3068\u3044\u3063\u305f\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3092\u4f7f\u7528\u3057\u305f\u958b\u767a\u306b\u6311\u6226\u3057\u3066\u307f\u308b\u3068\u826f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n
\n\t
\n\t\t
\n\t\t\t\t\t\t\t<\/a>\t\t\t\t\t<\/div>\n\t\t
\n\t\t\t
\n\t\t\t\t\t\t\t\t\tPHP\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30afLaravel\u5165\u9580\u7b2c2\u7248 [ \u638c\u7530\u6d25\u8036\u4e43 ]<\/a>\t\t\t\t\t\t\t<\/div>\n\t\t\t
\n\t\t\t\t\t\t\t
created by Rinker<\/a><\/div>\n\t\t\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\u00a53,300<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t(2026\/04\/11 20:52:40\u6642\u70b9 \u697d\u5929\u5e02\u5834\u8abf\u3079-<\/span>\u8a73\u7d30)<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t