{"id":120931,"date":"2024-03-24T00:36:26","date_gmt":"2024-03-23T15:36:26","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/php%e3%81%aesort%e9%96%a2%e6%95%b0%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9\/"},"modified":"2024-04-05T16:13:06","modified_gmt":"2024-04-05T07:13:06","slug":"php%e3%81%aesort%e9%96%a2%e6%95%b0%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/php%e3%81%aesort%e9%96%a2%e6%95%b0%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9\/","title":{"rendered":"PHP\u306esort\u95a2\u6570\u306e\u4f7f\u3044\u65b9"},"content":{"rendered":"<p>\u914d\u5217\u306fPHP\u306e\u6b21\u306e\u95a2\u6570\u3067\u30bd\u30fc\u30c8\u3067\u304d\u307e\u3059\u3002<\/p>\n<ol>\n<li>sort()\uff1a\u914d\u5217\u3092\u6607\u9806\u306b\u30bd\u30fc\u30c8\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-variable\">$numbers<\/span> = <span class=\"hljs-keyword\">array<\/span>(<span class=\"hljs-number\">4<\/span>, <span class=\"hljs-number\">2<\/span>, <span class=\"hljs-number\">8<\/span>, <span class=\"hljs-number\">6<\/span>);\r\n<span class=\"hljs-title function_ invoke__\">sort<\/span>(<span class=\"hljs-variable\">$numbers<\/span>);\r\n<\/code><\/pre>\n<ol>\n<li>rsort()\uff1a\u914d\u5217\u3092\u964d\u9806\u306b\u30bd\u30fc\u30c8\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-variable\">$numbers<\/span> = <span class=\"hljs-keyword\">array<\/span>(<span class=\"hljs-number\">4<\/span>, <span class=\"hljs-number\">2<\/span>, <span class=\"hljs-number\">8<\/span>, <span class=\"hljs-number\">6<\/span>);\r\n<span class=\"hljs-title function_ invoke__\">rsort<\/span>(<span class=\"hljs-variable\">$numbers<\/span>);\r\n<\/code><\/pre>\n<ol>\n<li>asort() : \u9023\u60f3\u914d\u5217\u3092\u5024\u306e\u6607\u9806\u3067\u30bd\u30fc\u30c8\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-variable\">$age<\/span> = <span class=\"hljs-keyword\">array<\/span>(<span class=\"hljs-string\">\"Peter\"<\/span> =&gt; <span class=\"hljs-string\">\"35\"<\/span>, <span class=\"hljs-string\">\"Ben\"<\/span> =&gt; <span class=\"hljs-string\">\"37\"<\/span>, <span class=\"hljs-string\">\"Joe\"<\/span> =&gt; <span class=\"hljs-string\">\"43\"<\/span>);\r\n<span class=\"hljs-title function_ invoke__\">asort<\/span>(<span class=\"hljs-variable\">$age<\/span>);\r\n<\/code><\/pre>\n<ol>\n<li>arsort()\uff1a\u9023\u60f3\u914d\u5217\u306e\u5024\u3067\u964d\u9806\u306b\u4e26\u3079\u66ff\u3048\u3092\u884c\u3044\u307e\u3059\u3002<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-variable\">$age<\/span> = <span class=\"hljs-keyword\">array<\/span>(<span class=\"hljs-string\">\"Peter\"<\/span> =&gt; <span class=\"hljs-string\">\"35\"<\/span>, <span class=\"hljs-string\">\"Ben\"<\/span> =&gt; <span class=\"hljs-string\">\"37\"<\/span>, <span class=\"hljs-string\">\"Joe\"<\/span> =&gt; <span class=\"hljs-string\">\"43\"<\/span>);\r\n<span class=\"hljs-title function_ invoke__\">arsort<\/span>(<span class=\"hljs-variable\">$age<\/span>);\r\n<\/code><\/pre>\n<ol>\n<li>ksort()\uff1a\u9023\u60f3\u914d\u5217\u3092\u30ad\u30fc\u3067\u6607\u9806\u306b\u30bd\u30fc\u30c8\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-variable\">$age<\/span> = <span class=\"hljs-keyword\">array<\/span>(<span class=\"hljs-string\">\"Peter\"<\/span> =&gt; <span class=\"hljs-string\">\"35\"<\/span>, <span class=\"hljs-string\">\"Ben\"<\/span> =&gt; <span class=\"hljs-string\">\"37\"<\/span>, <span class=\"hljs-string\">\"Joe\"<\/span> =&gt; <span class=\"hljs-string\">\"43\"<\/span>);\r\n<span class=\"hljs-title function_ invoke__\">ksort<\/span>(<span class=\"hljs-variable\">$age<\/span>);\r\n<\/code><\/pre>\n<ol>\n<li>krsort()\uff1a \u9023\u60f3\u914d\u5217\u306e\u30ad\u30fc\u3067\u964d\u9806\u306b\u30bd\u30fc\u30c8\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-variable\">$age<\/span> = <span class=\"hljs-keyword\">array<\/span>(<span class=\"hljs-string\">\"Peter\"<\/span> =&gt; <span class=\"hljs-string\">\"35\"<\/span>, <span class=\"hljs-string\">\"Ben\"<\/span> =&gt; <span class=\"hljs-string\">\"37\"<\/span>, <span class=\"hljs-string\">\"Joe\"<\/span> =&gt; <span class=\"hljs-string\">\"43\"<\/span>);\r\n<span class=\"hljs-title function_ invoke__\">krsort<\/span>(<span class=\"hljs-variable\">$age<\/span>);\r\n<\/code><\/pre>\n<p>\u4e0a\u8a18\u306e\u6bd4\u8f03\u95a2\u6570\u306b\u52a0\u3048\u3001usort()\u95a2\u6570\u3068uasort()\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u72ec\u81ea\u306e\u6bd4\u8f03\u30eb\u30fc\u30eb\u306b\u57fa\u3065\u3044\u3066\u4e26\u3073\u66ff\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u95a2\u6570\u306b\u306f\u30012\u3064\u306e\u8981\u7d20\u306e\u5927\u304d\u3055\uff08\u5927\u5c0f\uff09\u3092\u6bd4\u8f03\u3059\u308b\u30ab\u30b9\u30bf\u30e0\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u95a2\u6570\u3092\u5f15\u6570\u3068\u3057\u3066\u6e21\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u4f8b\u3068\u3057\u3066\u3001usort() \u95a2\u6570\u3092\u4f7f\u7528\u3057\u305f\u3001\u914d\u5217\u306e\u30ab\u30b9\u30bf\u30e0\u9806\u5e8f\u4ed8\u3051\u304c\u6319\u3052\u3089\u308c\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-variable\">$numbers<\/span> = <span class=\"hljs-keyword\">array<\/span>(<span class=\"hljs-number\">4<\/span>, <span class=\"hljs-number\">2<\/span>, <span class=\"hljs-number\">8<\/span>, <span class=\"hljs-number\">6<\/span>);\r\n<span class=\"hljs-title function_ invoke__\">usort<\/span>(<span class=\"hljs-variable\">$numbers<\/span>, function(<span class=\"hljs-variable\">$a<\/span>, <span class=\"hljs-variable\">$b<\/span>) {\r\n<span class=\"hljs-comment\">\/\/ \u81ea\u5b9a\u4e49\u6392\u5e8f\u89c4\u5219\uff0c\u6309\u7167\u5143\u7d20\u7684\u7edd\u5bf9\u503c\u5347\u5e8f\u6392\u5e8f<\/span>\r\n<span class=\"hljs-keyword\">return<\/span> <span class=\"hljs-title function_ invoke__\">abs<\/span>(<span class=\"hljs-variable\">$a<\/span>) - <span class=\"hljs-title function_ invoke__\">abs<\/span>(<span class=\"hljs-variable\">$b<\/span>);\r\n});\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u914d\u5217\u306fPHP\u306e\u6b21\u306e\u95a2\u6570\u3067\u30bd\u30fc\u30c8\u3067\u304d\u307e\u3059\u3002 sort()\uff1a\u914d\u5217\u3092\u6607\u9806\u306b\u30bd\u30fc\u30c8\u3057\u307e\u3059\u3002 $numbers = array(4, 2, 8, 6); sort($numbers); rsort()\uff1a\u914d\u5217\u3092\u964d\u9806\u306b\u30bd\u30fc\u30c8\u3057\u307e\u3059\u3002  [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-120931","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>PHP\u306esort\u95a2\u6570\u306e\u4f7f\u3044\u65b9 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/ja\/blog\/php\u306esort\u95a2\u6570\u306e\u4f7f\u3044\u65b9\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"PHP\u306esort\u95a2\u6570\u306e\u4f7f\u3044\u65b9\" \/>\n<meta property=\"og:description\" content=\"\u914d\u5217\u306fPHP\u306e\u6b21\u306e\u95a2\u6570\u3067\u30bd\u30fc\u30c8\u3067\u304d\u307e\u3059\u3002 sort()\uff1a\u914d\u5217\u3092\u6607\u9806\u306b\u30bd\u30fc\u30c8\u3057\u307e\u3059\u3002 $numbers = array(4, 2, 8, 6); 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