{"id":10447,"date":"2020-05-05T15:20:34","date_gmt":"2020-05-05T06:20:34","guid":{"rendered":"http:\/\/www.code-magagine.com\/?p=10447"},"modified":"2023-05-27T21:48:59","modified_gmt":"2023-05-27T12:48:59","slug":"%e3%80%90php%e3%80%91%e3%83%87%e3%83%bc%e3%82%bf%e3%83%99%e3%83%bc%e3%82%b9%e6%8e%a5%e7%b6%9a%e3%81%ab%e3%81%a4%e3%81%84%e3%81%a6","status":"publish","type":"post","link":"http:\/\/www.code-magagine.com\/?p=10447","title":{"rendered":"\u3010PHP\u3011\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a(PDO)\u306b\u3064\u3044\u3066"},"content":{"rendered":"<h2>PHP\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u65b9\u6cd5<\/h2>\n<p>\u4e0b\u8a18\u306e\uff12\u7a2e\u985e\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>PDO<\/li>\n<li>mysqli<\/li>\n<\/ul>\n<h2>PDO\u3068\u306f\uff1f<\/h2>\n<p>\u300cPHP Data Object\u300d\u306e\u7565\u3067\u3001OR\u30de\u30c3\u30d1\u30fc\u306e\u5f79\u5272\u304c\u3042\u308a\u307e\u3059\u3002\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u7a2e\u985e\u554f\u308f\u305a\u540c\u3058\u3088\u3046\u306b\u30a2\u30af\u30bb\u30b9\u304c\u3067\u304d\u308b\u306e\u304c\u7279\u5fb4\u3067\u3059\u3002<\/p>\n<h2>\u4f7f\u3044\u65b9<\/h2>\n<h3>\u63a5\u7d9a\u60c5\u5831\u3092\u5909\u6570\u306b\u683c\u7d0d\u3059\u308b\u3002<\/h3>\n<pre class=\"lang:default decode:true \">const DB_HOST = 'mysql:dbname=\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u540d;host=IP\u30a2\u30c9\u30ec\u30b9;charset=utf8';\r\nconst DB_USER = '\u30e6\u30fc\u30b6\u30fc\u540d';\r\nconst DB_PASSWORD = '\u30d1\u30b9\u30ef\u30fc\u30c9';<\/pre>\n<h3>\u63a5\u7d9a\u51e6\u7406<\/h3>\n<pre class=\"lang:default decode:true\">try{\r\n  $pdo = new PDO(DB_HOST, DB_USER, DB_PASSWORD, [\r\n    PDO::ATTR_DEFAULT_FETCH_MODE =&gt; PDO::FETCH_ASSOC, \/\/\u9023\u60f3\u914d\u5217\r\n    PDO::ATTR_ERRMODE =&gt; PDO::ERRMODE_EXCEPTION, \/\/\u4f8b\u5916\r\n    PDO::ATTR_EMULATE_PREPARES =&gt; false, \/\/SQL\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u5bfe\u7b56\r\n  ]);\r\n  echo '\u63a5\u7d9a\u6210\u529f';\r\n\r\n} catch(PDOException $e){\r\n  echo '\u63a5\u7d9a\u5931\u6557' . $e-&gt;getMessage() . \"\\n\";\r\n  exit();\r\n}<\/pre>\n<h4>\u30aa\u30d7\u30b7\u30e7\u30f3<\/h4>\n<table>\n<tbody>\n<tr>\n<th>\u30aa\u30d7\u30b7\u30e7\u30f3\u540d<\/th>\n<th>\u8aac\u660e<\/th>\n<\/tr>\n<tr>\n<td>PDO::ATTR_DEFAULT_FETCH_MODE<\/td>\n<td>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u60c5\u5831\u3092\u53d6\u5f97\u3059\u308b\u969b\u306e\u5165\u308c\u7269\u3002PDO::FETCH_ASSOC\u3092\u6307\u5b9a\u3059\u308b\u4e8b\u3067<span style=\"color: #ff0000;\"><strong>\u9023\u60f3\u914d\u5217<\/strong><\/span>\u3092\u8fd4\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>PDO::ATTR_ERRMODE<\/td>\n<td>\u30a8\u30e9\u30fc\u30e2\u30fc\u30c9\u3067\u3059\u3002\u300cPDO::ERRMODE_EXCEPTION\u300d\u3092\u6307\u5b9a\u3059\u308b\u3068\u4f8b\u5916\u3092\u8fd4\u3059\u3068\u3044\u3046\u610f\u5473\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u307b\u307c\u5fc5\u9808\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u3068\u8003\u3048\u3066\u826f\u3044\u3067\u3057\u3087\u3046\u3002<\/td>\n<\/tr>\n<tr>\n<td>PDO::ATTR_EMULATE_PREPARES<\/td>\n<td>false\u3092\u6307\u5b9a\u3059\u308b\u3068SQL\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u5bfe\u7b56\u306b\u306a\u308a\u307e\u3059\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304b\u3089\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b\u3002<\/h2>\n<h3>\u30e6\u30fc\u30b6\u30fc\u5165\u529b\u304c\u3042\u308b\u5834\u5408<\/h3>\n<p>\u30e6\u30fc\u30b6\u30fc\u5165\u529b\u304c\u306a\u3044\u4e88\u3081\u6c7a\u3081\u3089\u308c\u305fSQL\u3092\u5b9f\u884c\u3059\u308b\u5834\u5408\u306f\u4e0b\u8a18\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li>query<\/li>\n<\/ul>\n<h4>\u5b9f\u88c5<\/h4>\n<pre class=\"lang:default decode:true \">$sql = 'SELECT\u6587'; \/\/sql\r\n$stmt = $pdo-&gt;query($sql); \/\/sql\u5b9f\u884c \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\r\n\r\n$result = $stmt-&gt;fetchall();\r\n\r\necho '&lt;pre&gt;';\r\nvar_dump($result);\r\necho '&lt;\/pre&gt;';<\/pre>\n<h3>\u30e6\u30fc\u30b6\u30fc\u5165\u529b\u304c\u306a\u3044\u5834\u5408<\/h3>\n<p>\u30e6\u30fc\u30b6\u30fc\u5165\u529b\u304c\u3042\u308b\u5834\u5408\u306fSQL\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u5bfe\u7b56\u3092\u610f\u8b58\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u306e\u3067\u4e0b\u8a18\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li>prepare<\/li>\n<li>bind<\/li>\n<li>execute<\/li>\n<\/ul>\n<pre class=\"lang:default decode:true \">$sql = 'select * from \u30c6\u30fc\u30d6\u30eb\u540d where id = :id'; \/\/\u540d\u524d\u4ed8\u304d\u30d7\u30ec\u30fc\u30b9\u30db\u30eb\u30c0\r\n$stmt = $pdo-&gt;prepare($sql);\/\/\u30d7\u30ea\u30da\u30a2\u30fc\u30c9\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\r\n$stmt-&gt;bindValue('id', 1, PDO::PARAM_INT);\/\/\u7d10\u4ed8\u3051\r\n$stmt-&gt;execute(); \/\/\u5b9f\u884c\r\n\r\n$result = $stmt-&gt;fetchall();\r\n\r\necho '&lt;pre&gt;';\r\nvar_dump($result);\r\necho '&lt;\/pre&gt;';<\/pre>\n<h2>\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u51e6\u7406<\/h2>\n<p>\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3068\u3057\u3066\u51e6\u7406\u3057\u305f\u3044\u5834\u5408\u306f\u4e0b\u8a18\u306e\u69cb\u6587\u3092\u4f7f\u3044\u307e\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true \">$pdo-&gt;beginTransaction();\r\n\r\ntry{\r\n\r\n\/\/sql\u51e6\u7406\r\n\r\n$pdo-&gt;commit();\r\n\r\n}catch(PDOException $e){\r\n  \r\n  $pdo-&gt;rollback();\/\/\u66f4\u65b0\u306e\u30ad\u30e3\u30f3\u30bb\u30eb\r\n}<\/pre>\n","protected":false},"excerpt":{"rendered":"PHP\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u65b9\u6cd5 \u4e0b\u8a18\u306e\uff12\u7a2e\u985e\u3042\u308a\u307e\u3059\u3002 PDO mysqli PDO\u3068\u306f\uff1f \u300cPHP Data Object\u300d\u306e\u7565\u3067\u3001OR\u30de\u30c3\u30d1\u30fc\u306e\u5f79\u5272\u304c\u3042\u308a\u307e\u3059\u3002\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u7a2e\u985e\u554f\u308f\u305a\u540c\u3058\u3088\u3046\u306b\u30a2\u30af\u30bb\u30b9\u304c\u3067\u304d\u308b\u306e\u304c\u7279\u5fb4 [&hellip;]","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[100],"tags":[],"_links":{"self":[{"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/posts\/10447"}],"collection":[{"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10447"}],"version-history":[{"count":11,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/posts\/10447\/revisions"}],"predecessor-version":[{"id":20406,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/posts\/10447\/revisions\/20406"}],"wp:attachment":[{"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10447"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10447"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10447"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}