{"id":9423,"date":"2024-03-15T02:57:16","date_gmt":"2024-03-14T17:57:16","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/php%e3%81%a7%e9%85%8d%e5%88%97%e3%82%92%e3%83%ab%e3%83%bc%e3%83%97%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95%e3%81%af%e4%bd%95%e3%81%a7%e3%81%99%e3%81%8b%ef%bc%9f\/"},"modified":"2025-08-04T01:39:44","modified_gmt":"2025-08-03T16:39:44","slug":"php%e3%81%a7%e9%85%8d%e5%88%97%e3%82%92%e3%83%ab%e3%83%bc%e3%83%97%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95%e3%81%af%e4%bd%95%e3%81%a7%e3%81%99%e3%81%8b%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/php%e3%81%a7%e9%85%8d%e5%88%97%e3%82%92%e3%83%ab%e3%83%bc%e3%83%97%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95%e3%81%af%e4%bd%95%e3%81%a7%e3%81%99%e3%81%8b%ef%bc%9f\/","title":{"rendered":"PHP \u914d\u5217\u30eb\u30fc\u30d7\u51e6\u7406\u306e\u57fa\u672c\u3068\u5b9f\u8df5\u30c6\u30af\u30cb\u30c3\u30af"},"content":{"rendered":"<p>PHP\u3067\u914d\u5217\u3092\u7e70\u308a\u8fd4\u3057\u51e6\u7406\u3059\u308b\u65b9\u6cd5\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u3082\u306e\u304c\u3042\u308a\u307e\u3059\uff1a<\/p>\n<ol>\n<li>foreach\u30eb\u30fc\u30d7\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u914d\u5217\u3092\u7e70\u308a\u8fd4\u3057\u51e6\u7406\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u6587\u6cd5\u306f\u6b21\u306e\u901a\u308a\u3067\u3059\uff1a<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-variable\">$colors<\/span> = <span class=\"hljs-keyword\">array<\/span>(<span class=\"hljs-string\">\"red\"<\/span>, <span class=\"hljs-string\">\"green\"<\/span>, <span class=\"hljs-string\">\"blue\"<\/span>);\r\n<span class=\"hljs-keyword\">foreach<\/span>(<span class=\"hljs-variable\">$colors<\/span> <span class=\"hljs-keyword\">as<\/span> <span class=\"hljs-variable\">$color<\/span>) {\r\n  <span class=\"hljs-keyword\">echo<\/span> <span class=\"hljs-variable\">$color<\/span> . <span class=\"hljs-string\">\"&lt;br&gt;\"<\/span>;\r\n}\r\n<\/code><\/pre>\n<ol>\n<li>for\u30eb\u30fc\u30d7\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u914d\u5217\u3092\u53cd\u5fa9\u51e6\u7406\u3067\u304d\u307e\u3059\u3002\u69cb\u6587\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\uff1a<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-variable\">$colors<\/span> = <span class=\"hljs-keyword\">array<\/span>(<span class=\"hljs-string\">\"red\"<\/span>, <span class=\"hljs-string\">\"green\"<\/span>, <span class=\"hljs-string\">\"blue\"<\/span>);\r\n<span class=\"hljs-variable\">$length<\/span> = <span class=\"hljs-title function_ invoke__\">count<\/span>(<span class=\"hljs-variable\">$colors<\/span>);\r\n<span class=\"hljs-keyword\">for<\/span>(<span class=\"hljs-variable\">$i<\/span> = <span class=\"hljs-number\">0<\/span>; <span class=\"hljs-variable\">$i<\/span> &lt; <span class=\"hljs-variable\">$length<\/span>; <span class=\"hljs-variable\">$i<\/span>++) {\r\n  <span class=\"hljs-keyword\">echo<\/span> <span class=\"hljs-variable\">$colors<\/span>[<span class=\"hljs-variable\">$i<\/span>] . <span class=\"hljs-string\">\"&lt;br&gt;\"<\/span>;\r\n}\r\n<\/code><\/pre>\n<ol>\n<li>while\u30eb\u30fc\u30d7\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u95a2\u9023\u914d\u5217\u3092\u7e70\u308a\u8fd4\u3057\u51e6\u7406\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u69cb\u6587\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\uff1a<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-variable\">$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__\">reset<\/span>(<span class=\"hljs-variable\">$age<\/span>);\r\n<span class=\"hljs-keyword\">while<\/span> (<span class=\"hljs-keyword\">list<\/span>(<span class=\"hljs-variable\">$key<\/span>, <span class=\"hljs-variable\">$value<\/span>) = <span class=\"hljs-title function_ invoke__\">each<\/span>(<span class=\"hljs-variable\">$age<\/span>)) {\r\n  <span class=\"hljs-keyword\">echo<\/span> <span class=\"hljs-variable\">$key<\/span> . <span class=\"hljs-string\">\" is \"<\/span> . <span class=\"hljs-variable\">$value<\/span> . <span class=\"hljs-string\">\" years old&lt;br&gt;\"<\/span>;\r\n}\r\n<\/code><\/pre>\n<ol>\n<li>array_walk\u95a2\u6570\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u914d\u5217\u306e\u5404\u8981\u7d20\u306b\u30e6\u30fc\u30b6\u30fc\u5b9a\u7fa9\u306e\u95a2\u6570\u3092\u5b9f\u884c\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u69cb\u6587\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-function\"><span class=\"hljs-keyword\">function<\/span> <span class=\"hljs-title\">myfunction<\/span>(<span class=\"hljs-params\"><span class=\"hljs-variable\">$value<\/span>, <span class=\"hljs-variable\">$key<\/span><\/span>) <\/span>{\r\n  <span class=\"hljs-keyword\">echo<\/span> <span class=\"hljs-string\">\"<span class=\"hljs-subst\">$key<\/span>: <span class=\"hljs-subst\">$value<\/span>&lt;br&gt;\"<\/span>;\r\n}\r\n<span class=\"hljs-variable\">$colors<\/span> = <span class=\"hljs-keyword\">array<\/span>(<span class=\"hljs-string\">\"red\"<\/span>, <span class=\"hljs-string\">\"green\"<\/span>, <span class=\"hljs-string\">\"blue\"<\/span>);\r\n<span class=\"hljs-title function_ invoke__\">array_walk<\/span>(<span class=\"hljs-variable\">$colors<\/span>, <span class=\"hljs-string\">\"myfunction\"<\/span>);\r\n<\/code><\/pre>\n<ol>\n<li>array_map\u95a2\u6570\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u914d\u5217\u5185\u306e\u5404\u8981\u7d20\u306b\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u95a2\u6570\u3092\u9069\u7528\u3067\u304d\u307e\u3059\u3002\u6587\u6cd5\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\uff1a<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-function\"><span class=\"hljs-keyword\">function<\/span> <span class=\"hljs-title\">myfunction<\/span>(<span class=\"hljs-params\"><span class=\"hljs-variable\">$value<\/span><\/span>) <\/span>{\r\n  <span class=\"hljs-keyword\">return<\/span> <span class=\"hljs-variable\">$value<\/span> * <span class=\"hljs-variable\">$value<\/span>;\r\n}\r\n<span class=\"hljs-variable\">$numbers<\/span> = <span class=\"hljs-keyword\">array<\/span>(<span class=\"hljs-number\">1<\/span>, <span class=\"hljs-number\">2<\/span>, <span class=\"hljs-number\">3<\/span>, <span class=\"hljs-number\">4<\/span>, <span class=\"hljs-number\">5<\/span>);\r\n<span class=\"hljs-variable\">$new_numbers<\/span> = <span class=\"hljs-title function_ invoke__\">array_map<\/span>(<span class=\"hljs-string\">\"myfunction\"<\/span>, <span class=\"hljs-variable\">$numbers<\/span>);\r\n<span class=\"hljs-title function_ invoke__\">print_r<\/span>(<span class=\"hljs-variable\">$new_numbers<\/span>);\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>PHP\u3067\u914d\u5217\u3092\u7e70\u308a\u8fd4\u3057\u51e6\u7406\u3059\u308b\u65b9\u6cd5\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u3082\u306e\u304c\u3042\u308a\u307e\u3059\uff1a foreach\u30eb\u30fc\u30d7\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u914d\u5217\u3092\u7e70\u308a\u8fd4\u3057\u51e6\u7406\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u6587\u6cd5\u306f\u6b21\u306e\u901a\u308a\u3067\u3059\uff1a $colors = array(&#8220;red&#8221;, &#8220;green&#8221; [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[3971,1899,161,921,128],"class_list":["post-9423","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-for","tag-foreach","tag-php","tag-921","tag-128"],"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 \u914d\u5217\u30eb\u30fc\u30d7\u51e6\u7406\u306e\u57fa\u672c\u3068\u5b9f\u8df5\u30c6\u30af\u30cb\u30c3\u30af - Blog - Silicon 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\u914d\u5217\u30eb\u30fc\u30d7\u51e6\u7406\u306e\u57fa\u672c\u3068\u5b9f\u8df5\u30c6\u30af\u30cb\u30c3\u30af\" \/>\n<meta property=\"og:description\" content=\"PHP\u3067\u914d\u5217\u3092\u30eb\u30fc\u30d7\u51e6\u7406\u3059\u308b\u65b9\u6cd5\u3092\u521d\u5fc3\u8005\u5411\u3051\u306b\u89e3\u8aac\u3002foreach\u3001for\u6587\u306a\u3069\u3001\u57fa\u672c\u69cb\u6587\u304b\u3089\u5b9f\u8df5\u7684\u306a\u30c6\u30af\u30cb\u30c3\u30af\u307e\u3067\u3001\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u4ed8\u304d\u3067\u5206\u304b\u308a\u3084\u3059\u304f\u8aac\u660e\u3057\u307e\u3059\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/ja\/blog\/php\u3067\u914d\u5217\u3092\u30eb\u30fc\u30d7\u3059\u308b\u65b9\u6cd5\u306f\u4f55\u3067\u3059\u304b\uff1f\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2024-03-14T17:57:16+00:00\" \/>\n<meta property=\"article:modified_time\" 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