{"id":738,"date":"2019-08-27T11:44:42","date_gmt":"2019-08-27T02:44:42","guid":{"rendered":"https:\/\/took.jp\/?p=738"},"modified":"2020-06-15T15:34:17","modified_gmt":"2020-06-15T06:34:17","slug":"post-738","status":"publish","type":"post","link":"https:\/\/took.jp\/tech-blog\/post-738\/","title":{"rendered":"if\u6587 \u3068 \u4e09\u9805\u6f14\u7b97\u5b50 \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u9055\u3044\u306f\u3042\u308b\u306e\u304b"},"content":{"rendered":"

if\u6587 \u3068 \u4e09\u9805\u6f14\u7b97\u5b50<\/p>\n

\u53ef\u8aad\u6027\u3068\u3044\u3046\u70b9\u306b\u304a\u3044\u3066\u3001\u9055\u3044\u304c\u3042\u308b\u3068\u3057\u304b\u8a8d\u8b58\u3057\u3066\u3044\u306a\u304b\u3063\u305f\u3053\u306e2\u3064\u306b<\/p>\n

\u3082\u3057\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u9055\u3044\u304c\u3042\u3063\u305f\u5834\u5408\u3001\u4eca\u5f8c\u306e\u66f8\u304d\u65b9\u306b\u5927\u304d\u306a\u9055\u3044\u304c\u51fa\u308b\u305f\u3081\u3001\u78ba\u304b\u3081\u3066\u307f\u3088\u3046\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n

 <\/p>\n

\u691c\u8a3c\u65b9\u6cd5<\/h2>\n

1~10\u306e\u4e71\u6570\u3092\u4f5c\u6210\u3057\u3001<\/p>\n

1~5\u306e\u5834\u5408\u306f\u3001\u2193\u3092\u51fa\u529b<\/p>\n

6~10\u306e\u5834\u5408\u306f\u3001\u2191\u3092\u51fa\u529b<\/p>\n

\u3068\u3044\u3046\u51e6\u7406\u30921\u4e07\u56de\u7e70\u308a\u8fd4\u3057\u305f\u51e6\u7406\u901f\u5ea6\u3092\u53d6\u5f97\u3002<\/p>\n

\u8a00\u8a9e\u306fPHP\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n

 <\/p>\n

if\u6587\u306e\u5834\u5408<\/strong><\/p>\n

$time_start = microtime(true);\r\n    for($i=1;$i<=10000;$i++){\r\n        if(rand(1,10) > 5){\r\n            echo '\u2191';\r\n        }else{\r\n            echo '\u2193';\r\n        }\r\n    }\r\necho \"<br>\";\r\n$time = microtime(true) - $time_start;\r\necho \"{$time} \u79d2\";<\/code><\/pre>\n
 <\/p>\n
\u4e09\u9805\u6f14\u7b97\u5b50\u306e\u5834\u5408<\/strong><\/p>\n
$time_start = microtime(true);\r\n    for($i=1;$i<=10000;$i++){\r\n        echo rand(1,10) > 5 ? '\u2191' : '\u2193';\r\n    }\r\necho \"<br>\";\r\n$time = microtime(true) - $time_start;\r\necho \"{$time} \u79d2\";<\/code><\/pre>\n
 <\/p>\n
 <\/p>\n
\u5b9f\u884c\u3057\u3066\u307f\u308b<\/h2>\n
if\u6587\u306e\u5834\u5408<\/strong><\/p>\n
1\u56de\u76ee\uff1a\u30000.011248781681061 \u79d2
\n2\u56de\u76ee\uff1a\u30000.0097902989387512 \u79d2
\n3\u56de\u76ee\uff1a\u30000.011497755050659 \u79d2
\n4\u56de\u76ee\uff1a\u30000.0096882843971252 \u79d2
\n5\u56de\u76ee\uff1a\u30000.012277138233185 \u79d2<\/p>\n
\u4e09\u9805\u6f14\u7b97\u5b50\u306e\u5834\u5408<\/strong><\/p>\n
1\u56de\u76ee\uff1a\u30000.012508795261383 \u79d2
\n2\u56de\u76ee\uff1a\u30000.011866343021393 \u79d2
\n3\u56de\u76ee\uff1a\u30000.012540700435638 \u79d2
\n4\u56de\u76ee\uff1a\u30000.011792101860046 \u79d2
\n5\u56de\u76ee\uff1a\u30000.012760272026062 \u79d2<\/p>\n
 <\/p>\n
\u30d1\u30c3\u3068\u898b\u3042\u3093\u307e\u308a\u5909\u308f\u3089\u306a\u3044\u3088\u3046\u306b\u898b\u3048\u307e\u3059\u306d\u3002<\/p>\n
\u3067\u3082\u3053\u308c\u306f\u00a0i<\/strong>f\u6587\u306e\u65b9\u304c\u308f\u305a\u304b\u306b\u901f\u3044\u00a0<\/strong><\/span>\u3088\u3046\u3067\u3059\u3002<\/p>\n
\u3053\u306e\u5f8c\u4f55\u56de\u3084\u3063\u3066\u3082\u540c\u3058\u7d50\u679c\u3067\u3057\u305f\u3002<\/p>\n
 <\/p>\n
\u3069\u3061\u3089\u3092\u4f7f\u3046\uff1f<\/h2>\n
\u597d\u307f\u306e\u554f\u984c\u3067\u306f\u3042\u308a\u307e\u3059\u304c\u3001\u53ef\u8aad\u6027\u306e\u89b3\u70b9\u304b\u3089\u4e09\u9805\u6f14\u7b97\u5b50\u3092\u5acc\u3046\u4eba\u306f\u591a\u3044\u3067\u3059\u3002<\/p>\n
\u3057\u304b\u3082\u3001\u308f\u305a\u304b\u3067\u306f\u3042\u308a\u307e\u3059\u304c\u3001\u51e6\u7406\u901f\u5ea6\u307e\u3067\u9045\u3044\u3068\u306a\u308b\u3068\u5229\u7528\u3059\u308b\u4fa1\u5024\u304c\u4f4e\u3044\u3067\u3059\u306d\u3002<\/p>\n
\u305f\u3060\u3001\u72b6\u6cc1\u306b\u3088\u3063\u3066\u306f\u3001\u4e09\u9805\u6f14\u7b97\u5b50\u3092\u4f7f\u7528\u3057\u3066\u3082\u826f\u3044\u3068\u79c1\u306f\u8003\u3048\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
if\u6587 \u3068 \u4e09\u9805\u6f14\u7b97\u5b50 \u53ef\u8aad\u6027\u3068\u3044\u3046\u70b9\u306b\u304a\u3044\u3066\u3001\u9055\u3044\u304c\u3042\u308b\u3068\u3057\u304b\u8a8d\u8b58\u3057\u3066\u3044\u306a\u304b\u3063\u305f\u3053\u306e2\u3064\u306b \u3082\u3057\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u9055\u3044\u304c\u3042\u3063\u305f\u5834\u5408\u3001\u4eca\u5f8c\u306e\u66f8\u304d\u65b9\u306b\u5927\u304d\u306a\u9055\u3044\u304c\u51fa\u308b\u305f\u3081\u3001\u78ba\u304b\u3081\u3066\u307f\u3088\u3046\u3068\u601d\u3044\u307e\u3059\u3002   \u691c\u8a3c\u65b9\u6cd5 1~10\u306e\u4e71\u6570\u3092\u4f5c\u6210\u2026<\/p>\n","protected":false},"author":3,"featured_media":1939,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[62,68],"tags":[],"class_list":["post-738","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-it","category-68"],"_links":{"self":[{"href":"https:\/\/took.jp\/tech-blog\/wp-json\/wp\/v2\/posts\/738","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/took.jp\/tech-blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/took.jp\/tech-blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/took.jp\/tech-blog\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/took.jp\/tech-blog\/wp-json\/wp\/v2\/comments?post=738"}],"version-history":[{"count":0,"href":"https:\/\/took.jp\/tech-blog\/wp-json\/wp\/v2\/posts\/738\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/took.jp\/tech-blog\/wp-json\/wp\/v2\/media\/1939"}],"wp:attachment":[{"href":"https:\/\/took.jp\/tech-blog\/wp-json\/wp\/v2\/media?parent=738"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/took.jp\/tech-blog\/wp-json\/wp\/v2\/categories?post=738"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/took.jp\/tech-blog\/wp-json\/wp\/v2\/tags?post=738"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}