{"id":9860,"date":"2025-09-12T18:12:15","date_gmt":"2025-09-12T09:12:15","guid":{"rendered":"https:\/\/techmania.jp\/blog\/?p=9860"},"modified":"2025-10-17T18:15:09","modified_gmt":"2025-10-17T09:15:09","slug":"php-in_array","status":"publish","type":"post","link":"https:\/\/techmania.jp\/blog\/php-in_array\/","title":{"rendered":"\u3010PHP\u5165\u9580\u3011in_array\u95a2\u6570\u3067\u6307\u5b9a\u3057\u305f\u5024\u304c\u914d\u5217\u306b\u5b58\u5728\u3059\u308b\u304b\u3092\u30c1\u30a7\u30c3\u30af\u3059\u308b"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u914d\u5217\u3092\u64cd\u4f5c\u3059\u308b\u969b\u306b\u3001\u4e8b\u524d\u306b\u7279\u5b9a\u306e\u5024\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u304b\u3092\u78ba\u8a8d\u3057\u305f\u3044\u5834\u5408\u304c\u3042\u308b\u3068\u601d\u3044\u307e\u3059\u3002<br>PHP\u306b\u306f\u3001\u305d\u3046\u3057\u305f\u30b1\u30fc\u30b9\u306b\u5bfe\u5fdc\u3059\u308b\u95a2\u6570\u3068\u3057\u3066in_array\u95a2\u6570\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4eca\u56de\u306e\u8a18\u4e8b\u3067\u306f\u3001in_array\u95a2\u6570\u306e\u57fa\u672c\u69cb\u6587\u3084\u5177\u4f53\u7684\u306a\u4f7f\u7528\u65b9\u6cd5\u306a\u3069\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u304d\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h2 id=\"outline__1\" class=\"wp-block-heading\">in_array\u95a2\u6570\u3068\u306f\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">in_array\u95a2\u6570\u306f\u3001\u7279\u5b9a\u306e\u5024\u304c\u914d\u5217\u306e\u4e2d\u306b\u5b58\u5728\u3059\u308b\u304b\u3069\u3046\u304b\u3092\u8abf\u3079\u308b\u305f\u3081\u306e\u95a2\u6570\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u901a\u5e38\u3001\u914d\u5217\u306e\u8981\u7d20\u306b\u5bfe\u3057\u3066\u4f55\u304b\u3057\u3089\u306e\u51e6\u7406\u3092\u884c\u3046\u5834\u5408\u306f\u3001\u500b\u3005\u306b\u30a2\u30af\u30bb\u30b9\u3057\u306a\u3051\u308c\u3070\u3044\u3051\u307e\u305b\u3093\u304c\u3001<br>\u3053\u306e\u95a2\u6570\u306e\u5834\u5408\u3001\u914d\u5217\u305d\u306e\u3082\u306e\u3092\u6307\u5b9a\u3059\u308b\u3060\u3051\u3067\u5024\u304c\u5b58\u5728\u3059\u308b\u304b\u5426\u304b\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30eb\u30fc\u30d7\u51e6\u7406\u306a\u3069\u3092\u4f7f\u7528\u3059\u308b\u5fc5\u8981\u304c\u7121\u304f\u306a\u308b\u305f\u3081\u3001\u30b3\u30fc\u30c9\u3092\u7c21\u6f54\u306b\u6e08\u307e\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u30e1\u30ea\u30c3\u30c8\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 id=\"outline__2\" class=\"wp-block-heading\">in_array\u95a2\u6570\u306e\u4f7f\u3044\u65b9<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">in_array\u95a2\u6570\u306e\u8a73\u3057\u3044\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u3001\u9806\u306b\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h3 id=\"outline__2_1\" class=\"wp-block-heading\">\u57fa\u672c\u69cb\u6587<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">in_array\u95a2\u6570\u3092\u4f7f\u7528\u3059\u308b\u969b\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u69cb\u6587\u3067\u8a18\u8ff0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u3010\u57fa\u672c\u69cb\u6587\u3011<\/strong><\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-php\" data-lang=\"PHP\"><code>in_array(\u691c\u7d22\u3059\u308b\u5024, \u691c\u7d22\u5bfe\u8c61\u306e\u914d\u5217[, \u578b\u6bd4\u8f03\u306e\u6709\u7121])<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u7b2c\uff11\u5f15\u6570\u306b\u306f\u3001\u691c\u7d22\u3057\u305f\u3044\u5024\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<br>\u7b2c\uff12\u5f15\u6570\u306b\u306f\u3001\u691c\u7d22\u5bfe\u8c61\u3068\u3059\u308b\u914d\u5217\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7b2c\uff13\u5f15\u6570\u306b\u306f\u3001\u5024\u306e\u578b\u6bd4\u8f03\u3092\u884c\u3046\u304b\u5426\u304b\u3092\u771f\u507d\u5024\u3067\u6307\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<br>true\u3092\u6307\u5b9a\u3057\u305f\u5834\u5408\u306f\u3001\u691c\u7d22\u3059\u308b\u5024\u306e\u578b\u307e\u3067\u53b3\u5bc6\u306b\u6bd4\u8f03\u3057\u307e\u3059\u3002\u30c7\u30d5\u30a9\u30eb\u30c8\u306f false\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bfe\u8c61\u306e\u914d\u5217\u306e\u4e2d\u306b\u5024\u304c\u3042\u308b\u5834\u5408\u306f true\u3001\u7121\u3044\u5834\u5408\u306f false \u3092\u623b\u308a\u5024\u3068\u3057\u3066\u8fd4\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u4e0b\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u3001\u5b9f\u969b\u306e\u52d5\u304d\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3011<\/strong><\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-php\" data-lang=\"PHP\"><code>&lt;?php\n\n$lastname = [\n    &#39;Yamada&#39;, \n    &#39;Tanaka&#39;, \n    &#39;Sasaki&#39;, \n    &#39;Watanabe&#39;, \n    &#39;Kobayashi&#39;\n];\n \n\/\/\u914d\u5217\u306e\u4e2d\u306b\u5024\u304c\u5b58\u5728\u3059\u308b\u304b\u5426\u304b\nvar_dump(in_array(&#39;Tanaka&#39;, $lastname));\nvar_dump(in_array(&#39;Yamamoto&#39;, $lastname));\n\n?&gt;<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u3010\u5b9f\u884c\u7d50\u679c\u3011<\/strong><\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-plain\"><code>bool(true)\nbool(false)<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u5024\u306e\u6709\u7121\u306b\u5fdc\u3058\u3066\u3001\u7d50\u679c\u304c true \u304b false \u306e\u3069\u3061\u3089\u304b\u3067\u8fd4\u5374\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u95a2\u6570\u306e\u623b\u308a\u5024\u304c\u771f\u507d\u5024\u306e\u305f\u3081\u3001if\u6587\u306e\u6761\u4ef6\u5f0f\u306b\u6d3b\u7528\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3011<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-php\" data-lang=\"PHP\"><code>&lt;?php\n\n$lastname = [\n    &#39;Yamada&#39;, \n    &#39;Tanaka&#39;, \n    &#39;Sasaki&#39;, \n    &#39;Watanabe&#39;, \n    &#39;Kobayashi&#39;\n];\n\n$searchStr = &#39;Watanabe&#39;;\n\n\/\/\u95a2\u6570\u306e\u7d50\u679c\u3092\u5143\u306b\u6761\u4ef6\u5206\u5c90\u3059\u308b\nif (in_array($searchStr, $lastname)) {\n    echo $searchStr.&#39;\u306f\u5b58\u5728\u3057\u307e\u3059&#39;.&quot;\\n&quot;;\n} else {\n    echo $searchStr.&#39;\u306f\u5b58\u5728\u3057\u307e\u305b\u3093&#39;.&quot;\\n&quot;;\n}\n\n?&gt;<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u3010\u5b9f\u884c\u7d50\u679c\u3011<\/strong><\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-plain\"><code>Watanabe\u306f\u5b58\u5728\u3057\u307e\u3059<\/code><\/pre><\/div>\n\n\n\n<h3 id=\"outline__2_2\" class=\"wp-block-heading\">\u30c1\u30a7\u30c3\u30af\u3059\u308b\u5024\u306e\u578b\u306e\u4e00\u81f4\u3082\u78ba\u8a8d\u3059\u308b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">in_array\u95a2\u6570\u306f\u3001\u5024\u306e\u578b\u6bd4\u8f03\u3092\u884c\u3046\u304b\u3069\u3046\u304b\u306b\u3088\u3063\u3066\u3001\u4e00\u90e8\u306e\u6bd4\u8f03\u7d50\u679c\u304c\u5909\u5316\u3059\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<br>\u4f8b\u3048\u3070\u3001\u6570\u5024\u3068\u6587\u5b57\u5217\u3092\u6bd4\u8f03\u3057\u305f\u5834\u5408\u306e\u4e8b\u4f8b\u306a\u3069\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u4e0b\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3092\u898b\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3011<\/strong><\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-php\" data-lang=\"PHP\"><code>&lt;?php\n\n$numArray = [\n    &#39;10&#39;, \n     20, \n    &#39;30&#39;, \n     40\n];\n\nvar_dump(in_array(&#39;10&#39;, $numArray));\nvar_dump(in_array(20, $numArray));\nvar_dump(in_array(30, $numArray));\nvar_dump(in_array(&#39;40&#39;, $numArray));\n\n?&gt;<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u3010\u5b9f\u884c\u7d50\u679c\u3011<\/strong><\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-plain\"><code>bool(true)\nbool(true)\nbool(true)\nbool(true)<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u540c\u3058\u578b\u540c\u58eb\u3092\u6bd4\u8f03\u3057\u305f\u5834\u5408\u3068\u3001\u9055\u3046\u578b\u540c\u58eb\u3092\u6bd4\u8f03\u3057\u305f\u5834\u5408\u306e\u3069\u3061\u3089\u3082\u3042\u308a\u307e\u3059\u304c\u3001\u7d50\u679c\u306f\u5168\u3066 true \u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u3088\u3046\u306b\u3001\u578b\u6bd4\u8f03\u3092\u884c\u308f\u305a\u306b\u5024\u3092\u691c\u7d22\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u3001\u53d6\u5f97\u7d50\u679c\u304c\u610f\u56f3\u3057\u306a\u3044\u3082\u306e\u3068\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3088\u308a\u53b3\u5bc6\u306b\u691c\u7d22\u3092\u884c\u3044\u305f\u3044\u5834\u5408\u306f\u3001\u7b2c\uff13\u5f15\u6570\u306b true\u3092\u6307\u5b9a\u3057\u3001\u578b\u306e\u6bd4\u8f03\u3092\u884c\u3046\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3011<\/strong><\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-php\" data-lang=\"PHP\"><code>&lt;?php\n\n$numArray = [\n    &#39;10&#39;, \n     20, \n    &#39;30&#39;, \n     40\n];\n\nvar_dump(in_array(&#39;10&#39;, $numArray));\nvar_dump(in_array(20, $numArray));\nvar_dump(in_array(30, $numArray, true));\nvar_dump(in_array(&#39;40&#39;, $numArray, true));\n\n?&gt;<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u3010\u5b9f\u884c\u7d50\u679c\u3011<\/strong><\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-plain\"><code>bool(true)\nbool(true)\nbool(false)\nbool(false)<\/code><\/pre><\/div>\n\n\n\n<h3 id=\"outline__2_3\" class=\"wp-block-heading\">\u691c\u7d22\u5bfe\u8c61\u306e\u5024\u3092\u914d\u5217\u3067\u6307\u5b9a\u3059\u308b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">in_array\u95a2\u6570\u3067\u306f\u3001\u691c\u7d22\u3059\u308b\u5024\u306b\u914d\u5217\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<br>\u591a\u6b21\u5143\u914d\u5217\u3092\u5bfe\u8c61\u306b\u3001\u7279\u5b9a\u306e\u914d\u5217\u304c\u5b58\u5728\u3059\u308b\u304b\u3092\u78ba\u8a8d\u3057\u305f\u3044\u5834\u5408\u306b\u6709\u52b9\u306a\u65b9\u6cd5\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u4e0b\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u3001\u5b9f\u969b\u306e\u52d5\u304d\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3011<\/strong><\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-php\" data-lang=\"PHP\"><code>&lt;?php\n\n$lastname = [\n    [&#39;Yamada&#39;, &#39;Tanaka&#39;, &#39;Sasaki&#39;], \n    [&#39;Watanabe&#39;, &#39;Kobayashi&#39;]\n];\n\n$searchName1 = [&#39;Yamada&#39;, &#39;Tanaka&#39;, &#39;Sasaki&#39;];\n$searchName2 = [&#39;Watanabe&#39;, &#39;Kobayashi&#39;, &#39;Ito&#39;];\n \nvar_dump(in_array($searchName1, $lastname));\nvar_dump(in_array($searchName2, $lastname));\n\n?&gt;<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u3010\u5b9f\u884c\u7d50\u679c\u3011<\/strong><\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-plain\"><code>bool(true)\nbool(false)<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0a\u8a18\u306e\u7d50\u679c\u3092\u898b\u308b\u3068\u5206\u304b\u308b\u3088\u3046\u306b\u3001\u914d\u5217\u5358\u4f4d\u3067\u691c\u7d22\u3092\u884c\u3046\u5834\u5408\u306f\u3001\u914d\u5217\u5185\u306e\u8981\u7d20\u5168\u3066\u304c\u4e00\u81f4\u3057\u306a\u3044\u3068\u7d50\u679c\u306f false \u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 id=\"outline__3\" class=\"wp-block-heading\">array_search\u95a2\u6570\u3067\u6307\u5b9a\u3057\u305f\u5024\u306e\u30ad\u30fc\u3092\u8fd4\u3059<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">PHP\u306b\u306f\u3001in_array\u95a2\u6570\u3068\u4f3c\u305f\u6a5f\u80fd\u3092\u6301\u3064 \u300carray_search\u300d \u3068\u3044\u3046\u95a2\u6570\u304c\u5b58\u5728\u3057\u307e\u3059\u3002<br>array_search\u95a2\u6570\u306f\u3001\u6307\u5b9a\u3057\u305f\u5024\u304c\u5b58\u5728\u3057\u305f\u5834\u5408\u306b\u3001\u771f\u507d\u5024\u3067\u306f\u306a\u304f\u305d\u306e\u5024\u306e\u30ad\u30fc\u3092\u8fd4\u3059\u95a2\u6570\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f7f\u7528\u306e\u969b\u306f\u3001\u4ee5\u4e0b\u306e\u69cb\u6587\u3067\u8a18\u8ff0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u3010\u57fa\u672c\u69cb\u6587\u3011<\/strong><\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-php\" data-lang=\"PHP\"><code>array_search(\u691c\u7d22\u3059\u308b\u5024, \u691c\u7d22\u5bfe\u8c61\u306e\u914d\u5217[, \u578b\u6bd4\u8f03\u306e\u6709\u7121])<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f15\u6570\u306e\u6307\u5b9a\u5185\u5bb9\u306f\u3001in_array\u95a2\u6570\u3068\u540c\u3058\u3068\u306a\u308a\u307e\u3059\u3002<br>\u623b\u308a\u5024\u306f\u3001\u4e0a\u8ff0\u3057\u305f\u3088\u3046\u306b\u5024\u306b\u5bfe\u3059\u308b\u30ad\u30fc\u3001\u3082\u3057\u304f\u306f false \u306e\u3069\u3061\u3089\u304b\u3092\u8fd4\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u4e0b\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u3001\u5b9f\u969b\u306e\u52d5\u304d\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3011<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-php\" data-lang=\"PHP\"><code>&lt;?php\n\n$nameArray = [\n    &#39;Yamada&#39; =&gt; &#39;Taro&#39;, \n    &#39;Tanaka&#39; =&gt; &#39;Yoko&#39;, \n    &#39;Sasaki&#39; =&gt; &#39;Jiro&#39;, \n];\n\nvar_dump(array_search(&#39;Taro&#39;, $nameArray));\nvar_dump(array_search(&#39;Hanako&#39;, $nameArray));\n\n?&gt;<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u3010\u5b9f\u884c\u7d50\u679c\u3011<\/strong><\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-plain\"><code>string(6) &quot;Yamada&quot;\nbool(false)<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">in_array\u95a2\u6570\u3068\u306f\u7570\u306a\u308a\u3001\u5024\u304c\u914d\u5217\u306b\u5b58\u5728\u3057\u305f\u5834\u5408\u306b\u30ad\u30fc\u3092\u8fd4\u3059\u3053\u3068\u304c\u7d50\u679c\u304b\u3089\u3082\u5206\u304b\u308a\u307e\u3059\u306d\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5024\u306e\u6709\u7121\u3092\u78ba\u8a8d\u3059\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u8981\u7d20\u306b\u5bfe\u5fdc\u3059\u308b\u30ad\u30fc\u3092\u5408\u308f\u305b\u3066\u53d6\u5f97\u3057\u305f\u3044\u5834\u5408\u306b\u306f\u3001\u3053\u306e\u3088\u3046\u306b array_search\u95a2\u6570\u3092\u4f7f\u7528\u3059\u308b\u3068\u3044\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h2 id=\"outline__4\" class=\"wp-block-heading\">\u307e\u3068\u3081<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u3044\u304b\u304c\u3067\u3057\u305f\u304b\uff1f\u4eca\u56de\u306f\u3001in_array\u95a2\u6570\u306e\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">in_array\u95a2\u6570\u306f\u3001\u8981\u7d20\u306e\u6709\u7121\u306b\u3088\u3063\u3066\u6761\u4ef6\u3092\u632f\u308a\u5206\u3051\u305f\u3044\u969b\u306a\u3069\u306b\u7c21\u5358\u306b\u5024\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u4fbf\u5229\u306a\u95a2\u6570\u3067\u3059\u3002<br>\u5b9f\u969b\u306e\u958b\u767a\u3067\u3082\u4f7f\u7528\u3059\u308b\u6a5f\u4f1a\u304c\u591a\u3044\u95a2\u6570\u306a\u306e\u3067\u3001\u5148\u307b\u3069\u7d39\u4ecb\u3057\u305f array_search\u95a2\u6570\u3068\u5408\u308f\u305b\u3066\u3001\u305c\u3072\u3053\u306e\u6a5f\u4f1a\u306b\u4f7f\u3044\u65b9\u3092\u899a\u3048\u3066\u304a\u304d\u307e\u3057\u3087\u3046\uff01<\/p>\n\n\n\n<h2 id=\"outline__5\" class=\"wp-block-heading\">PHP\u306e\u52c9\u5f37\u65b9\u6cd5\u306f\uff1f<\/h2>\n\n\n<p>\u66f8\u7c4d\u3084\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3067\u5b66\u7fd2\u3059\u308b\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002\u6628\u4eca\u3067\u306f\u3001YouTube\u306a\u3069\u306e\u52d5\u753b\u30b5\u30a4\u30c8\u3084\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u30b5\u30a4\u30c8\u306a\u3069\u3082\u5145\u5b9f\u3057\u3066\u3044\u3066\u591a\u304f\u306e\u60c5\u5831\u304c\u624b\u306b\u5165\u308a\u307e\u3059\u3002<br \/>\u305d\u3057\u3066\u3001\u3088\u308a\u52b9\u7387\u7684\u306b\u77e5\u8b58\u30fb\u30b9\u30ad\u30eb\u3092\u7fd2\u5f97\u3059\u308b\u306b\u306f\u3001\u77e5\u8b58\u3092\u3064\u3051\u306a\u304c\u3089\u5b9f\u969b\u306b\u624b\u3092\u52d5\u304b\u3057\u3066\u307f\u308b\u306a\u3069\u3001\u30a4\u30f3\u30d7\u30c3\u30c8\u3068\u30a2\u30a6\u30c8\u30d7\u30c3\u30c8\u3092\u7e70\u308a\u8fd4\u3057\u3066\u3044\u304f\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u7279\u306b\u72ec\u5b66\u306e\u5834\u5408\u306f\u3001\u6709\u8b58\u8005\u306b\u8cea\u554f\u304c\u3067\u304d\u305f\u308a\u30d5\u30a3\u30fc\u30c9\u30d0\u30c3\u30af\u3092\u3082\u3089\u3048\u308b\u3088\u3046\u306a\u74b0\u5883\u304c\u3042\u308b\u3068\u3001\u7406\u89e3\u5ea6\u304c\u6df1\u307e\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n<p>\u305f\u3060\u3001PHP\u306b\u9650\u3089\u305a\u3001IT\u30b9\u30ad\u30eb\u3092\u8eab\u306b\u3064\u3051\u308b\u969b\u3001\u3069\u3046\u3057\u3066\u3082\u8ab2\u984c\u306b\u3076\u3064\u304b\u3063\u3066\u3057\u307e\u3046\u3053\u3068\u306f\u3042\u308a\u307e\u3059\u3088\u306d\u3002\u7279\u306b\u72ec\u5b66\u3060\u3068\u3001\u308f\u304b\u3089\u306a\u3044\u90e8\u5206\u3092\u30d7\u30ed\u306b\u8cea\u554f\u3067\u304d\u308b\u6a5f\u4f1a\u3092\u78ba\u4fdd\u3057\u306b\u304f\u304f\u3001\u30e2\u30c1\u30d9\u30fc\u30b7\u30e7\u30f3\u304c\u7d9a\u304d\u306b\u304f\u3044\u3068\u3044\u3046\u5074\u9762\u304c\u3042\u308a\u307e\u3059\u3002\u72ec\u5b66\u3067\u30e2\u30c1\u30d9\u30fc\u30b7\u30e7\u30f3\u3092\u7dad\u6301\u3059\u308b\u81ea\u4fe1\u304c\u306a\u3044\u4eba\u306b\u306f\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30b9\u30af\u30fc\u30eb\u3068\u3044\u3046\u624b\u3082\u3042\u308a\u307e\u3059\u3002\u8cbb\u7528\u306f\u639b\u304b\u308a\u307e\u3059\u304c\u3001\u305d\u306e\u5206\u30b9\u30ad\u30eb\u3092\u8eab\u306b\u3064\u3051\u3084\u3059\u3044\u3067\u3059\u3002\u3057\u3063\u304b\u308a\u3068\u77e5\u8b58\u30fb\u30b9\u30ad\u30eb\u3092\u7fd2\u5f97\u3057\u3066\u5b9f\u8df5\u306b\u6d3b\u304b\u3057\u305f\u3044\u3068\u3044\u3046\u4eba\u306f\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30b9\u30af\u30fc\u30eb\u304c\u304a\u3059\u3059\u3081\u3067\u3059\u3002<\/p>\n<p><span class=\"markerYellow\"><strong>\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30b9\u30af\u30fc\u30eb\u306a\u3089\u30c6\u30c3\u30af\u30de\u30cb\u30a2\u304c\u304a\u3059\u3059\u3081\uff01<\/strong><\/span><\/p>\n\n\n<img decoding=\"async\" src=\"https:\/\/web-img.rensa.jp.net\/rensa\/images\/techmania\/thumbnail\/images\/yuudou.png\" class=\"post-img\" loading=\"lazy\">\n\n\n<p>IT\u30b9\u30ad\u30eb\u9700\u8981\u306e\u9ad8\u307e\u308a\u3068\u3068\u3082\u306b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30b9\u30af\u30fc\u30eb\u3082\u5897\u3048\u307e\u3057\u305f\u3002\u3057\u304b\u3057\u3001\u3069\u306e\u30b9\u30af\u30fc\u30eb\u306b\u901a\u3046\u3079\u304d\u304b\u8ff7\u3063\u3066\u3057\u307e\u3046\u4eba\u3082\u3044\u308b\u3067\u3057\u3087\u3046\u3002\u305d\u3093\u306a\u65b9\u306b\u306f\u30c6\u30c3\u30af\u30de\u30cb\u30a2\u3092\u304a\u3059\u3059\u3081\u3057\u307e\u3059\uff01\u3053\u308c\u307e\u3067\u591a\u304f\u306eIT\u30a8\u30f3\u30b8\u30cb\u30a2\u3092\u80b2\u6210\u30fb\u8f29\u51fa\u3057\u3066\u304d\u305f\u30c6\u30c3\u30af\u30de\u30cb\u30a2\u3067\u3082\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30b9\u30af\u30fc\u30eb\u3092\u958b\u8b1b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<div class=\"bgBox\">\n<p><strong>\uff1c\u30c6\u30c3\u30af\u30de\u30cb\u30a2\u306e\u7279\u5fb4\uff1e<\/strong><br \/><strong>\u30fb\u305f\u3057\u304b\u306a\u80b2\u6210\u5b9f\u7e3e\u3068\u89aa\u8eab\u306a\u6559\u80b2\u3000\uff5e\u30bb\u30ab\u30f3\u30c9\u30ad\u30e3\u30ea\u30a2\u3092\u5168\u529b\u652f\u63f4\uff5e<\/strong><br \/><strong>\u30fb\u8b1b\u5e2b\u304c\u73fe\u5f79\u30a8\u30f3\u30b8\u30cb\u30a2\u3000\uff5e\u201c\u672c\u5f53\u201d\u306e\u958b\u767a\u30ce\u30a6\u30cf\u30a6\u3092\u76f4\u306b\u5b66\u3079\u308b\uff5e<\/strong><br \/><strong>\u30fb\u5c02\u5c5e\u8b1b\u5e2b\u304c\u5b66\u7fd2\u3092\u5fb9\u5e95\u30b5\u30dd\u30fc\u30c8\u3000\uff5e\u300c\u308f\u304b\u3089\u306a\u3044\u300d\u3092\u5fb9\u5e95\u89e3\u6c7a\uff5e<\/strong><br \/><strong>\u30fb\u5b9f\u52d9\u30d9\u30fc\u30b9\u3067\u30b9\u30ad\u30eb\u3092\u7fd2\u5f97\u3000\uff5e\u5b9f\u8df5\u7684\u306a\u51dd\u7e2e\u30ab\u30ea\u30ad\u30e5\u30e9\u30e0\uff5e<\/strong><\/p>\n<\/div>\n<p>\u3053\u306e\u3088\u3046\u306a\u7279\u5fb4\u3092\u6301\u3064\u30c6\u30c3\u30af\u30de\u30cb\u30a2\u306fIT\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u30b9\u30bf\u30fc\u30c8\u30e9\u30a4\u30f3\u3068\u3057\u3066\u6700\u9069\u3067\u3059\u3002<br \/>\u8a71\u3092\u805e\u304d\u305f\u3044\u30fb\u8a73\u3057\u304f\u77e5\u308a\u305f\u3044\u3068\u3044\u3046\u65b9\u306f<a href=\"https:\/\/techmania.jp\/lp\/2\" target=\"_blank\" rel=\"noopener\">\u3053\u3061\u3089<\/a>\u304b\u3089\u304a\u6c17\u8efd\u306b\u304a\u554f\u3044\u5408\u308f\u305b\u304f\u3060\u3055\u3044\u3002<\/p>","protected":false},"excerpt":{"rendered":"\u914d\u5217\u3092\u64cd\u4f5c\u3059\u308b\u969b\u306b\u3001\u4e8b\u524d\u306b\u7279\u5b9a\u306e\u5024\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u304b\u3092\u78ba\u8a8d\u3057\u305f\u3044\u5834\u5408\u304c\u3042\u308b\u3068\u601d\u3044\u307e\u3059\u3002PHP\u306b\u306f\u3001\u305d\u3046\u3057\u305f\u30b1\u30fc\u30b9\u306b\u5bfe\u5fdc\u3059\u308b\u95a2\u6570\u3068\u3057\u3066in_array\u95a2\u6570\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u3002 \u4eca\u56de\u306e\u8a18\u4e8b\u3067\u306f\u3001in_array\u95a2\u6570\u306e\u57fa\u672c\u69cb\u6587\u3084\u5177\u4f53\u7684\u306a\u4f7f\u7528\u65b9\u6cd5\u306a\u3069\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u304d\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002 in_array\u95a2\u6570\u3068\u306f\uff1f 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