{"id":1611,"date":"2018-09-05T02:09:01","date_gmt":"2018-09-04T17:09:01","guid":{"rendered":"https:\/\/www.dogrow.net\/php\/?p=1611"},"modified":"2018-09-05T02:21:26","modified_gmt":"2018-09-04T17:21:26","slug":"blog51","status":"publish","type":"post","link":"https:\/\/www.dogrow.net\/php\/blog51\/","title":{"rendered":"(51) \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u30b7\u30ea\u30a2\u30e9\u30a4\u30ba\u3057\u3066\u4fdd\u5b58\u3059\u308b\u3002"},"content":{"rendered":"

(1) \u3084\u308a\u305f\u3044\u3053\u3068<\/h1>\n

PHP\u30d7\u30ed\u30b0\u30e9\u30e0\u4e0a\u306e\u8907\u96d1\u306a\u30c7\u30fc\u30bf\u69cb\u9020\u3092\u3001DB\u306b\u4fdd\u5b58\u3057\u305f\u3044\u3002<\/p>\n

\u3067\u3082…
\n\u500b\u3005\u306e\u30e1\u30f3\u30d0\u5909\u6570\u306b\u3064\u3044\u3066\u3001\u500b\u3005\u306b\u30ab\u30e9\u30e0\u3092\u4f5c\u308b\u306e\u306f\u9762\u5012\u3060\u3002<\/p>\n

\u8907\u96d1\u306a\u30c7\u30fc\u30bf\u3092\u3001\uff11\u500b\u306e\u30ab\u30e9\u30e0\u306b\u307e\u3068\u3081\u3066\u4fdd\u5b58\u3057\u305f\u3044\u3002
\n\u3000\u2193
\n\u30b7\u30ea\u30a2\u30e9\u30a4\u30ba\u3057\u3066\u4fdd\u5b58\u3059\u308c\u3070\u3088\u3044\uff01<\/p>\n

(2) \u3084\u3063\u3066\u307f\u308b<\/h1>\n

1. \u307e\u305a\u306f\u30b7\u30ea\u30a2\u30e9\u30a4\u30ba\u3057\u3066\u307f\u308b\u3002<\/h2>\n

\u30af\u30e9\u30b9\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306b\u5bfe\u3057\u3066 serialize()<\/span> \u3067\u30b7\u30ea\u30a2\u30e9\u30a4\u30ba\u3057\u3001unserialize()<\/span> \u3067\u623b\u3059\u3002<\/p>\n

\r\nclass CAaa {\r\n  private $m_text;\r\n  private $m_int;\r\n  private $m_array;\r\n  function __construct( $text, $int, $array ){\r\n    $this->m_text  = $text;\r\n    $this->m_int   = $int;\r\n    $this->m_array = $array;\r\n  }\r\n}\r\n\r\n$caaa = new CAaa("hello", 1234, array(1,2,3,4,5));\r\nvar_dump($caaa);\r\necho "<hr>";\r\n\r\n$bin_txt = serialize($caaa);\r\nvar_dump($bin_txt);\r\necho "<hr>";\r\n\r\n$caaa2 = unserialize($bin_txt);\r\nvar_dump($caaa2);\r\n<\/pre>\n
\u5b9f\u884c\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002
\nhttps:\/\/www.dogrow.net\/php\/sample\/00051\/test1.php<\/a>
\n\u30b7\u30ea\u30a2\u30e9\u30a4\u30ba\u3057\u305f\u30c7\u30fc\u30bf\u304c\u6b63\u3057\u304f\u5fa9\u5143\u3067\u304d\u3066\u3044\u308b\u3002<\/p>\n
2. \u30b7\u30ea\u30a2\u30e9\u30a4\u30ba\u3057\u305f\u30c7\u30fc\u30bf\u3092DB\u4fdd\u5b58\u3059\u308b\u3002<\/h2>\n
\u4ee5\u4e0b\u306ePHP\u516c\u5f0f\u30da\u30fc\u30b8\u306b\u306f\u3001\u30b7\u30ea\u30a2\u30e9\u30a4\u30ba\u3057\u305f\u30c7\u30fc\u30bf\u306eDB\u4fdd\u5b58\u306b\u3064\u3044\u3066\u6ce8\u610f\u66f8\u304d\u304c\u3042\u308b\u3002
\nhttp:\/\/php.net\/manual\/ja\/function.serialize.php<\/a><\/p>\n
serialize() \u306e\u51fa\u529b\u3092\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u683c\u7d0d\u3059\u308b\u3068\u304d\u306b\u306f\u3001 \u901a\u5e38\u306f CHAR \u578b\u3084 TEXT \u578b\u3067\u306f\u306a\u304f BLOB \u578b\u3092\u4f7f\u308f\u306a\u3044\u3068\u3044\u3051\u307e\u305b\u3093\u3002 <\/p>\n
\u3059\u306a\u308f\u3061…
\n\u30b7\u30ea\u30a2\u30e9\u30a4\u30ba\u3057\u305f\u30c7\u30fc\u30bf\u3092\u4fdd\u5b58\u3059\u308b\u305f\u3081\u306e\u30ab\u30e9\u30e0\u3092\u4f5c\u308b\u6642\u306f BLOB<\/span> \u578b\u3067\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002<\/p>\n
\u307e\u305f\u3001BLOB\u306b\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u30b5\u30a4\u30ba\u306e\u5236\u7d04\u304c\u3042\u308b\u306e\u3067\u6ce8\u610f\u3059\u308b\u3053\u3068\u3002
\n\u5927\u304d\u306a\u30c7\u30fc\u30bf\u3092 TINYBLOB\u578b\u306e\u30ab\u30e9\u30e0\u306b\u4fdd\u5b58\u3059\u308c\u3070\u6ea2\u308c\u3066\u3057\u307e\u3046\u3002
\n\u30fbTINYBLOB<\/span> : \uff5e255[byte]
\n\u30fbBLOB<\/span> : \uff5e64KB
\n\u30fbMEDIUMBLOB<\/span> : \uff5e16MB
\n\u30fbLONGBLOB<\/span> : \uff5e4GB<\/p>\n
\n","protected":false},"excerpt":{"rendered":"
(1) \u3084\u308a\u305f\u3044\u3053\u3068 PHP\u30d7\u30ed\u30b0\u30e9\u30e0\u4e0a\u306e\u8907\u96d1\u306a\u30c7\u30fc\u30bf\u69cb\u9020\u3092\u3001DB\u306b\u4fdd\u5b58\u3057\u305f\u3044\u3002 \u3067\u3082… \u500b\u3005\u306e\u30e1\u30f3\u30d0\u5909\u6570\u306b\u3064\u3044\u3066\u3001\u500b\u3005\u306b\u30ab\u30e9\u30e0\u3092\u4f5c\u308b\u306e\u306f\u9762\u5012\u3060\u3002 \u8907\u96d1\u306a\u30c7\u30fc\u30bf\u3092\u3001\uff11\u500b\u306e\u30ab\u30e9\u30e0\u306b\u307e\u3068\u3081\u3066\u4fdd\u5b58\u3057\u305f\u3044\u3002 \u3000\u2193 \u30b7\u2026 \u7d9a\u304d\u3092\u8aad\u3080 »<\/a><\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19,2],"tags":[],"class_list":["post-1611","post","type-post","status-publish","format-standard","hentry","category-19","category-2"],"views":5054,"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/www.dogrow.net\/php\/wp-json\/wp\/v2\/posts\/1611","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.dogrow.net\/php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.dogrow.net\/php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.dogrow.net\/php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.dogrow.net\/php\/wp-json\/wp\/v2\/comments?post=1611"}],"version-history":[{"count":6,"href":"https:\/\/www.dogrow.net\/php\/wp-json\/wp\/v2\/posts\/1611\/revisions"}],"predecessor-version":[{"id":1617,"href":"https:\/\/www.dogrow.net\/php\/wp-json\/wp\/v2\/posts\/1611\/revisions\/1617"}],"wp:attachment":[{"href":"https:\/\/www.dogrow.net\/php\/wp-json\/wp\/v2\/media?parent=1611"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.dogrow.net\/php\/wp-json\/wp\/v2\/categories?post=1611"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dogrow.net\/php\/wp-json\/wp\/v2\/tags?post=1611"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}