{"id":6702,"date":"2024-11-28T10:31:09","date_gmt":"2024-11-28T01:31:09","guid":{"rendered":"https:\/\/taitan916.info\/blog\/?p=6702"},"modified":"2024-08-29T15:45:41","modified_gmt":"2024-08-29T06:45:41","slug":"post-6702","status":"publish","type":"post","link":"https:\/\/taitan916.info\/blog\/archives\/6702","title":{"rendered":"PHP\u306b\u3066\u914d\u5217\u306e\u51fa\u529b\u6642\u306b\u30b8\u30a7\u30cd\u30ec\u30fc\u30bf\u3092\u5229\u7528\u3057\u3066\u30e1\u30e2\u30ea\u3092\u7bc0\u7d04\u3059\u308b\u65b9\u6cd5"},"content":{"rendered":"<p>PHP\u306b\u3066\u5927\u91cf\u306e\u30c7\u30fc\u30bf\u304c\u683c\u7d0d\u3055\u308c\u305f\u914d\u5217\u3092foreach\u7b49\u3067\u30eb\u30fc\u30d7\u51e6\u7406\u3059\u308b\u3088\u3046\u306a\u5834\u5408\u3001memory_limit\u304c\u6c17\u306b\u306a\u308b\u3053\u3068\u304c\u3042\u308b\u3002\u7279\u306b\u30b7\u30b9\u30c6\u30e0\u306e\u30ea\u30ea\u30fc\u30b9\u5f53\u521d\u306f\u5927\u4e08\u592b\u3067\u3082\u3001\u305d\u306e\u5f8c\u30c7\u30fc\u30bf\u304c\u5897\u3048\u3066\u3044\u304f\u3088\u3046\u306a\u5834\u5408\u3060\u3068\u3055\u3089\u306b\u6c17\u306b\u306a\u308b\u3002\u305d\u306e\u3088\u3046\u306a\u5834\u5408\u3001\u30b8\u30a7\u30cd\u30ec\u30fc\u30bf\u3092\u4f7f\u3046\u3068\u30e1\u30e2\u30ea\u3092\u7bc0\u7d04\u3067\u304d\u308b\u3089\u3057\u3044\u3002\u4ee5\u4e0b\u306b\u5229\u7528\u65b9\u6cd5\u3092\u30e1\u30e2\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>\u60f3\u5b9a<\/h2>\n<p><a href=\"https:\/\/taitan916.info\/blog\/archives\/3277\" target=\"_blank\" rel=\"noopener\">\u904e\u53bb\u306b\u53d6\u5f97\u3057\u305f\u5168\u56fd\u306e\u5e02\u533a\u753a\u6751\u30c7\u30fc\u30bf<\/a>\u304c\u5165\u3063\u3066\u3044\u308bMySQL\u304b\u308910,000\u4ef6\u53d6\u5f97\u3057\u3066ID(\u901a\u3057\u756a\u53f7)\u3092var_dump()\u3067\u51fa\u529b\u3059\u308b\u3002<\/p>\n<p>\u305d\u306e\u969b\u306e<a href=\"https:\/\/taitan916.info\/blog\/archives\/173\" target=\"_blank\" rel=\"noopener\">\u51e6\u7406\u306b\u304b\u304b\u3063\u305f\u6642\u9593\u3068\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u3092\u6e2c\u5b9a<\/a>\u3059\u308b\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>\u5229\u7528\u65b9\u6cd5<\/h2>\n<h3>\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9<\/h3>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\">&lt;?php\r\n#\u901a\u5e38\u7248\r\n$sql = '\r\n    SELECT * \r\n    FROM ad_address \r\n    LIMIT 10000 \r\n';\r\n$row = $mysqli-&gt;query($sql);\r\n\r\nwhile( $rs = $row-&gt;fetch_array(MYSQLI_ASSOC) ){\r\n    var_dump($rs['id']);\r\n}\r\n\r\n#\u30b8\u30a7\u30cd\u30ec\u30fc\u30bf\u7248\r\nfunction getAddress(){\r\n    $sql = '\r\n        SELECT * \r\n        FROM ad_address \r\n        LIMIT 10000 \r\n    ';\r\n    $row = $mysqli-&gt;query($sql);\r\n\r\n    while( $rs = $row-&gt;fetch_array(MYSQLI_ASSOC) ){\r\n        yield $rs['id'];\r\n    }\r\n}\r\n\r\nforeach( getAddress() as $val ){\r\n    var_dump($val);\r\n}<\/pre>\n<h3>\u6e2c\u5b9a\u7d50\u679c<\/h3>\n<p>\u4ee5\u4e0b\u306e\u901a\u308a\u9855\u8457\u306a\u5dee\u304c\u51fa\u305f\u3002<\/p>\n<ul>\n<li>\u901a\u5e38\u7248 \u2192 \u51e6\u7406\u6642\u95930.099609693\u79d2 \/ \u4f7f\u7528\u30e1\u30e2\u30ea2.17MB<\/li>\n<li>\u30b8\u30a7\u30cd\u30ec\u30fc\u30bf\u7248 \u2192 \u51e6\u7406\u6642\u95930.013392766\u79d2 \/ \u4f7f\u7528\u30e1\u30e2\u30ea418.55KB<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2>\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9<\/h2>\n<p><a href=\"https:\/\/www.php.net\/manual\/ja\/language.generators.overview.php\" target=\"_blank\" rel=\"noopener\">https:\/\/www.php.net\/manual\/ja\/language.generators.overview.php<\/a><\/p>\n<p>&nbsp;<\/p>\n<h2>\u6240\u611f<\/h2>\n<p>\u300c$row = $mysqli-&gt;query($sql);\u300d\u306e\u6642\u70b9\u3067$row\u306b\u5bfe\u3057\u3066\u914d\u5217\u304c\u5165\u3063\u3066\u3044\u308b\u3088\u3046\u306a\u30a4\u30e1\u30fc\u30b8\u3060\u3063\u305f\u306e\u3067\u3001\u305d\u306e\u5f8c\u306e\u51e6\u7406\u306e\u9055\u3044\u3067\u3053\u3093\u306a\u306b\u5dee\u304c\u51fa\u308b\u3068\u3044\u3046\u306e\u304c\u611f\u899a\u7684\u306b\u306f\u63b4\u307f\u3065\u3089\u3044\u304b\u3082\u3002<\/p>\n<p>\u305f\u3060\u3001\u51e6\u7406\u901f\u5ea6\u30fb\u4f7f\u7528\u30e1\u30e2\u30ea\u5171\u306b\u9855\u8457\u306a\u5dee\u304c\u51fa\u305f\u306e\u3067\u7a4d\u6975\u7684\u306b\u4f7f\u3063\u3066\u3044\u304d\u305f\u3044\u3068\u3053\u308d\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>\u53c2\u8003\u30b5\u30a4\u30c8<\/h2>\n<p><a href=\"https:\/\/tech.willgate.co.jp\/entry\/2023\/12\/02\/120000\" target=\"_blank\" rel=\"noopener\">https:\/\/tech.willgate.co.jp\/entry\/2023\/12\/02\/120000<\/a><\/p>\n<p><a href=\"https:\/\/qiita.com\/falya128\/items\/53c4392b3695c12f9014\" target=\"_blank\" rel=\"noopener\">https:\/\/qiita.com\/falya128\/items\/53c4392b3695c12f9014<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>PHP\u306b\u3066\u5927\u91cf\u306e\u30c7\u30fc\u30bf\u304c\u683c\u7d0d\u3055\u308c\u305f\u914d\u5217\u3092foreach\u7b49\u3067\u30eb\u30fc\u30d7\u51e6\u7406\u3059\u308b\u3088\u3046\u306a\u5834 ... <\/p>\n","protected":false},"author":1,"featured_media":1085,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[2],"tags":[],"class_list":["post-6702","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-php"],"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/posts\/6702","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/comments?post=6702"}],"version-history":[{"count":5,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/posts\/6702\/revisions"}],"predecessor-version":[{"id":6707,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/posts\/6702\/revisions\/6707"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/media\/1085"}],"wp:attachment":[{"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/media?parent=6702"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/categories?post=6702"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/tags?post=6702"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}