{"id":67997,"date":"2018-08-16T15:24:33","date_gmt":"2018-08-16T06:24:33","guid":{"rendered":"https:\/\/www.sejuku.net\/blog\/?p=67997"},"modified":"2024-05-06T11:50:35","modified_gmt":"2024-05-06T02:50:35","slug":"is_number%e3%81%98%e3%82%83%e3%81%aa%e3%81%84%ef%bc%9fphp%e3%81%ae%e6%95%b0%e5%80%a4%e5%88%a4%e5%ae%9a%e3%82%92%e7%b0%a1%e5%8d%98%e7%90%86%e8%a7%a3%e3%81%a7%e5%88%9d%e5%bf%83%e8%80%85%e8%84%b1","status":"publish","type":"post","link":"https:\/\/www.sejuku.net\/blog\/67997","title":{"rendered":"is_number\u3058\u3083\u306a\u3044\uff1fphp\u306e\u6570\u5024\u5224\u5b9a\u3092\u7c21\u5358\u7406\u89e3\u3067\u521d\u5fc3\u8005\u8131\u51fa"},"content":{"rendered":"<p>php\u3092\u5b66\u3093\u3067\u5c11\u3057\u7d4c\u3063\u305f\u9803\u306e\u79c1\u306b\u3001\u6570\u5024\u3092\u5224\u5b9a\u3059\u308b\u6a5f\u4f1a\u304c\u8a2a\u308c\u307e\u3057\u305f\u3002<\/p>\n<p>is_null\u3068\u3044\u3046\u7a7a\u6587\u5b57\u5224\u5b9a\u306e\u6a5f\u80fd\u3092\u77e5\u3063\u305f\u3070\u304b\u308a\u306e\u79c1\u306f\u3001\u8003\u3048\u307e\u3057\u305f\u3002<\/p>\n<p>is_null\u3067null\u304c\u5224\u5b9a\u3067\u304d\u308b\u306a\u3089\u3001is_number\u3068\u3044\u3046\u95a2\u6570\u3082\u3042\u308b\u306e\u3067\u306f\uff1f\uff1f <\/p>\n<p>\u30fb\u30fb\u30fb\u5f97\u610f\u6c17\u306b\u691c\u7d22\u3057\u3066\u307f\u305f\u306e\u3067\u3059\u304c\u3001is_number\u3068\u3044\u3046\u95a2\u6570\u306f\u5b58\u5728\u3057\u307e\u305b\u3093\u3067\u3057\u305f\u3002 <\/p>\n<p>\u79c1\u304c\u63a2\u3057\u3066\u3044\u305f\u95a2\u6570\u306f\u3001is_numeric\u3068\u3044\u3046\u95a2\u6570\u3067\u3057\u305f\u3002<\/p>\n<p>\u521d\u5fc3\u8005\u306e\u9803\u306f\u3053\u3093\u306a\u4e8b\u3092\u7e70\u308a\u8fd4\u3057\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n<p>\u79c1\u3068\u540c\u3058\u3088\u3046\u306bis_number\u95a2\u6570\u304c\u5b58\u5728\u3059\u308b\u3068\u601d\u3063\u3066\u3053\u3053\u306b\u305f\u3069\u308a\u7740\u3044\u305f\u65b9\u3082\u3044\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u306e\u3067\u3001\u4eca\u56de\u306f\u3001\u6570\u5024\u306e\u30c1\u30a7\u30c3\u30af\u95a2\u6570\u306b\u3064\u3044\u3066\u304a\u8a71\u3057\u3088\u3046\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<h2>\u305d\u3082\u305d\u3082\u6570\u5024\u306e\u30c1\u30a7\u30c3\u30af\u304c\u5fc5\u8981\u306a\u7406\u7531<\/h2>\n<p>php\u306f\u3001\u578b\u306e\u5ba3\u8a00\u304c\u5fc5\u8981\u306a\u3044\u30d7\u30ed\u30b0\u30e9\u30e0\u3068\u547c\u3070\u308c\u305f\u308a\u3082\u3057\u307e\u3059\u3002<\/p>\n<p>\u578b\u3068\u306f\u3001\u5909\u6570\u306e\u4e2d\u306b\u4ee3\u5165\u3059\u308b\u5024\u306e\u7a2e\u985e\u3092\u8868\u3057\u307e\u3059\u3002<br \/>\nphp\u306b\u3082\u578b\u306f\u5b58\u5728\u3057\u307e\u3059\u3002<\/p>\n<p>int \u30fb\u30fb\u30fb1\u3084100\u306a\u3069\u306e\u6574\u6570\u578b\u3002<br \/>\nfloat\uff0fdouble\u30fb\u30fb\u30fb\u6d6e\u52d5\u5c0f\u6570\u70b9\u6570\u3067\u3059\u3002\u3056\u3063\u304f\u308a\u8a00\u3046\u3068\u5c11\u6570\u3067\u3059\u3002<br \/>\nstring\u30fb\u30fb\u30fb\u308a\u3093\u3054\u3001\u3070\u306a\u306a\u3001\u306a\u3069\u306e\u6587\u5b57\u5217\u3067\u3059<br \/>\nboolean\u30fb\u30fb\u30fbtrue\u304bfalse\u306e\u3069\u3061\u3089\u304b\u3067\u3059\u3002<\/p>\n<p>\u305f\u3060\u3001\u6b21\u306e\u30c6\u30b9\u30c8\u30b3\u30fc\u30c9\u3092\u898b\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"lang:php decode:true \">&lt;?php\r\n\r\n    $test_result = 100;\r\n\r\n    echo $test_result; \/\/ \u2605\u51fa\u529b1\r\n\r\n    $test_result =\"\u30c6\u30b9\u30c8\u306e\u7d50\u679c\u306f\u3088\u304b\u3063\u305f\u3067\u3059\";\r\n\r\n    echo $test_result; \/\/ \u2605\u51fa\u529b2\r\n\r\n    $test_result = true;\r\n\r\n    echo $test_result; \/\/ \u2605\u51fa\u529b3\r\n\r\n?&gt;<\/pre>\n<p>\u25a0\u7d50\u679c<\/p>\n<pre class=\"theme:dark-terminal lang:default decode:true \">100 \/\/ \u2605\u51fa\u529b1\r\n\u30c6\u30b9\u30c8\u306e\u7d50\u679c\u306f\u3088\u304b\u3063\u305f\u3067\u3059 \/\/ \u2605\u51fa\u529b2\r\n1 \/\/ \u2605\u51fa\u529b3<\/pre>\n<p>\u578b\u306e\u5ba3\u8a00\u3082\u5fc5\u8981\u306a\u304f\u3001\u540c\u3058\u5909\u6570\u306b\u3069\u3093\u306a\u5024\u3067\u3082\u8ffd\u52a0\u3059\u308b\u4e8b\u304c\u51fa\u6765\u307e\u3057\u305f\u3002<\/p>\n<p>\u3059\u3054\u304f\u4fbf\u5229\u3058\u3083\u306a\u3044\uff01\uff1f<\/p>\n<p>\u305d\u3046\u601d\u308f\u308c\u307e\u3057\u305f\u304b\uff1f<\/p>\n<p>\u3067\u3082\u3001\u4f8b\u3048\u3070\u5909\u6570\u540c\u58eb\u306e\u8a08\u7b97\u304c\u767a\u751f\u3057\u305f\u4ee5\u4e0b\u306e\u5834\u5408\u306a\u3069\u306f\u3069\u3046\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<pre class=\"lang:php decode:true \">&lt;?php\r\n\r\n    $test_mathe_result = 100;\r\n    $test_english_result = \"\u3068\u3066\u3082\u3088\u304b\u3063\u305f\";\r\n\r\n    $test_result = $test_mathe_result + $test_english_result ; \/\/ 100 + \u3068\u3066\u3082\u3088\u304b\u3063\u305f\r\n\r\n    echo $test_result; \/\/ \u2605\u51fa\u529b1\r\n\r\n?&gt;<\/pre>\n<p>\u25a0\u7d50\u679c<\/p>\n<pre class=\"theme:dark-terminal lang:default decode:true \">100 \/\/ \u2605\u51fa\u529b1<\/pre>\n<p>\u6570\u5024\u3068\u6587\u5b57\u5217\u3092\u8db3\u3059\u3068\u6587\u5b57\u5217\u306f\u7121\u8996\u3055\u308c\u307e\u3059\u306e\u3067\u3001\u7d50\u679c\u306f100\u3067\u3059\u3002<\/p>\n<p>\u30c6\u30b9\u30c8\u306e\u70b9\u6570\u3092\u8db3\u3057\u305f\u3044\u5834\u5408\u306f\u3001\u4e21\u65b9\u3068\u3082\u6570\u5024\u304c\u5165\u3063\u3066\u304f\u308b\uff01\u5f53\u305f\u308a\u524d\u3058\u3083\u3093\uff01\u610f\u5730\u60aa\u306a\u554f\u984c\u3060\u306a\u3001\u3068\u601d\u308f\u308c\u305f\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u306f\u305d\u3046\u3044\u3063\u305f\u5f53\u305f\u308a\u524d\u306f\u901a\u3058\u307e\u305b\u3093\u3002<\/p>\n<p>$test_english_result\u304c\u6570\u5024\u3067\u306a\u3044\u5834\u5408\u306f\u3001\u8a08\u7b97\u3092\u3059\u308b\u3079\u304d\u3067\u306f\u306a\u3044\u306e\u3067\u3059\u3002<br \/>\n\u203b\u307e\u305f\u30ed\u30b0\u4e0a\u306b\u3082\u300c\u304a\u304b\u3057\u306a\u51e6\u7406\u304c\u3042\u308b\u300d\u3068Warning(\u8b66\u544a)\u304c\u8868\u793a\u3055\u308c\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n<p>\u30d0\u30b0\u3084\u30e6\u30fc\u30b6\u30fc\u306e\u64cd\u4f5c\u3067\u3001\u81ea\u5206\u304c\u601d\u3063\u305f\u4ee5\u5916\u306e\u6570\u5024\u304c\u6e21\u3055\u308c\u308b\u5834\u5408\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u305d\u3093\u306a\u6642\u306b\u30c1\u30a7\u30c3\u30af\u3092\u884c\u3063\u3066\u304f\u308c\u308b\u95a2\u6570\u304c\u6709\u52b9\u3067\u3059\u3002<\/p>\n<p>\u4eca\u56de\u306fis_numeric\u3068\u3044\u3046\u3082\u306e\u3092\u4f7f\u3063\u3066\u307f\u307e\u3059\u3002<\/p>\n<p>\u25c6\u6570\u5024\u30c1\u30a7\u30c3\u30af\u306e\u7d50\u679c\u304c\u6b63\uff08true\uff09\u306e\u5834\u5408<\/p>\n<pre class=\"lang:php decode:true \">&lt;?php\r\n\r\n    $test_mathe_result = 100;\r\n    $test_english_result = 90;\r\n\r\n    if(is_numeric($test_mathe_result) &amp;&amp; is_numeric($test_english_result)){  \/\/ \u6570\u5024\u304b\u3069\u3046\u304b\u5224\u5b9a\r\n        $test_result = $test_mathe_result + $test_english_result ;\r\n        echo $test_result; \/\/ \u2605\u51fa\u529b1\r\n    } else {\r\n        echo \"\u30a8\u30e9\u30fc\u3067\u3059\u3002\"; \/\/ \u2605\u51fa\u529b2\r\n    }\r\n?&gt;<\/pre>\n<p>\u25a0\u7d50\u679c<\/p>\n<pre class=\"theme:dark-terminal lang:default decode:true \">190 \/\/ \u2605\u51fa\u529b1<\/pre>\n<p>\u25c6\u6570\u5024\u30c1\u30a7\u30c3\u30af\u306e\u7d50\u679c\u304c\u507d\uff08false\uff09\u306e\u5834\u5408<\/p>\n<pre class=\"lang:php decode:true \">&lt;?php\r\n\r\n    $test_mathe_result = 100;\r\n    $test_english_result = \"\u3068\u3066\u3082\u3088\u304b\u3063\u305f\";\r\n\r\n    if(is_numeric($test_mathe_result) &amp;&amp; is_numeric($test_english_result)){  \/\/ \u6570\u5024\u304b\u3069\u3046\u304b\u5224\u5b9a\r\n        $test_result = $test_mathe_result + $test_english_result ;\r\n        echo $test_result; \/\/ \u2605\u51fa\u529b1\r\n    } else {\r\n        echo \"\u30a8\u30e9\u30fc\u3067\u3059\u3002\"; \/\/ \u2605\u51fa\u529b2\r\n    }\r\n?&gt;<\/pre>\n<p>\u25a0\u7d50\u679c<\/p>\n<pre class=\"theme:dark-terminal lang:default decode:true \">\u30a8\u30e9\u30fc\u3067\u3059\u3002 \/\/ \u2605\u51fa\u529b2<\/pre>\n<p>\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u306f\u3001\u5909\u6570\u306e\u4e2d\u8eab\u3084\u6e21\u3055\u308c\u305f\u5024\u304c\u3001\u6570\u5024\u306a\u306e\u304b\u6587\u5b57\u5217\u306a\u306e\u304b\u5224\u5b9a\u3059\u308b\u5834\u9762\u304c\u591a\u304f\u5b58\u5728\u3057\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001\u305d\u308c\u3089\u3092\u78ba\u8a8d\u3059\u308b\u70ba\u306bphp\u306b\u306f\u8272\u3005\u306a\u5185\u90e8\u95a2\u6570\uff08\u30d3\u30eb\u30c8\u30a4\u30f3\u95a2\u6570\uff09\u3068\u3044\u3046php\u306b\u3042\u3089\u304b\u3058\u3081\u6e96\u5099\u3055\u308c\u3066\u3044\u308b\u95a2\u6570\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>is_numeric\u3082\u5185\u90e8\u95a2\u6570\u3067\u3059\u3002<\/p>\n<p>\u203b\u5185\u90e8\u95a2\u6570\u4ee5\u5916\u306b\u3001\u30e6\u30fc\u30b6\u30fc\u5b9a\u7fa9\u95a2\u6570\u3068\u3044\u3046\u81ea\u7531\u306b\u8a2d\u5b9a\u51fa\u6765\u308b\u95a2\u6570\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u6b21\u306e\u9805\u76ee\u3067\u306f\u3001\u6570\u5024\u30c1\u30a7\u30c3\u30af\u306e\u305f\u3081\u306e\u5185\u90e8\u95a2\u6570\u306e\u8aac\u660e\u3092\u3057\u3066\u3044\u3053\u3046\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<h2>\u3053\u308c\u3060\u3051\u899a\u3048\u308b\uff01php\u6570\u5024\u30c1\u30a7\u30c3\u30af<\/h2>\n<p>\u305d\u308c\u3067\u306f\u3001\u3053\u308c\u3060\u3051\u306f\u899a\u3048\u304a\u304f\u3068\u304d\u3063\u3068\u5f79\u306b\u7acb\u3064php\u6570\u5024\u30c1\u30a7\u30c3\u30af\u306e\u5185\u90e8\u95a2\u6570\u3092\u66f8\u3044\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<h3>is_numeric<\/h3>\n<p>\u6570\u5024\u3067\u3042\u308b\u304b\u3069\u3046\u304b\u3092\u5224\u65ad\u3057\u307e\u3059\u3002<\/p>\n<p>\u578b\u304c\u6587\u5b57\u5217\u3067\u3042\u3063\u3066\u3082\u3001\u6570\u5024\u3068\u3057\u3066\u5224\u65ad\u3055\u308c\u308b\u90e8\u5206\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u306e\u5834\u5408\u306f\u5168\u3066true(\u6b63)\u304c\u8fd4\u3063\u3066\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"lang:php decode:true \">is_numeric('99');\r\nis_numeric(100);\r\nis_numeric(2.1);<\/pre>\n<p>\u25a0\u7d50\u679c<\/p>\n<pre class=\"theme:dark-terminal lang:default decode:true \">true\r\ntrue\r\ntrue<\/pre>\n<p>\u4ee5\u4e0b\u306e\u5834\u5408\u306f\u5168\u3066false(\u507d)\u304c\u8fd4\u3063\u3066\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"lang:php decode:true \">is_numeric(\"ng_test\");\r\nis_numeric(null);\r\nis_numeric(array());<\/pre>\n<p>\u25a0\u7d50\u679c<\/p>\n<pre class=\"theme:dark-terminal lang:default decode:true \">false\r\nfalse\r\nfalse<\/pre>\n<h3>is_int<\/h3>\n<p>\u6574\u6570\u578bint\u304b\u3069\u3046\u304b\u3092\u5224\u5b9a\u3057\u307e\u3059\u3002<\/p>\n<p>&#8217;99&#8217;\u306a\u3069\u306e\u6587\u5b57\u5217\u306ffalse\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u306e\u5834\u5408\u306ftrue(\u6b63)\u304c\u8fd4\u3063\u3066\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"lang:php decode:true \">is_int(99);<\/pre>\n<p>\u25a0\u7d50\u679c<\/p>\n<pre class=\"theme:dark-terminal lang:default decode:true \">true<\/pre>\n<p>\u4ee5\u4e0b\u306e\u5834\u5408\u306f\u5168\u3066false(\u507d)\u304c\u8fd4\u3063\u3066\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"lang:php decode:true \">is_int('99');\r\nis_int(9.9);\r\nis_int('9.9');\r\nis_int(\"ng_test\");\r\nis_int(null);\r\nis_int(array());<\/pre>\n<p>\u25a0\u7d50\u679c<\/p>\n<pre class=\"theme:dark-terminal lang:default decode:true \">false\r\nfalse\r\nfalse\r\nfalse\r\nfalse\r\nfalse<\/pre>\n<h3>ctype_digit<\/h3>\n<p>\u6587\u5b57\u5217string\u304b\u3069\u3046\u304b\u3092\u5224\u5b9a\u3057\u307e\u3059\u3002<\/p>\n<p>is_numeric\u3068\u9055\u3046\u70b9\u306f\u3001string\u6587\u5b57\u5217\u3067\u306a\u3044\u5834\u5408\u3001false\u306b\u306a\u3063\u3066\u3057\u307e\u3046\u4e8b\u3067\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u306e\u5834\u5408\u306ftrue(\u6b63)\u304c\u8fd4\u3063\u3066\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"lang:php decode:true \">ctype_digit('99');<\/pre>\n<p>\u25a0\u7d50\u679c<\/p>\n<pre class=\"theme:dark-terminal lang:default decode:true \">true<\/pre>\n<p>\u4ee5\u4e0b\u306e\u5834\u5408\u306f\u5168\u3066false(\u507d)\u304c\u8fd4\u3063\u3066\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"lang:php decode:true \">ctype_digit(99);\r\nctype_digit(9.9);<\/pre>\n<p>\u25a0\u7d50\u679c<\/p>\n<pre class=\"theme:dark-terminal lang:default decode:true \">false\r\nfalse<\/pre>\n<h2>php\u306e\u6570\u5024\u6bd4\u8f03\u306e\u843d\u3068\u3057\u7a74<\/h2>\n<p>\u6700\u5f8c\u306b\u6570\u5024\u3092\u6bd4\u8f03\u3059\u308b\u5834\u5408\u306b\u5c11\u3057\u6238\u60d1\u3046\u4e8b\u3082\u3042\u308b\u304b\u3082\uff01\u3068\u3044\u3046\u304a\u8a71\u3092\u3055\u305b\u3066\u9802\u304d\u307e\u3059\u3002<\/p>\n<p>\u30c6\u30b9\u30c8\u30b3\u30fc\u30c9\u3092\u898b\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"lang:php decode:true \">\r\n&lt;?php\r\n    $num = 0;\r\n    $negative_comment = 'NoGood';\r\n    \r\n    if($negative_comment == $num){\r\n        echo 'OK';\r\n    } else {\r\n        echo 'NG';\r\n    }\r\n?&gt;\r\n<\/pre>\n<p>\u25a0\u7d50\u679c<\/p>\n<pre class=\"theme:dark-terminal lang:default decode:true \">OK<\/pre>\n<p>0\u3068\u3044\u3046\u6570\u5024\u3068NoGood\u3068\u3044\u3046\u6587\u5b57\u5217\u3092\u6bd4\u3079\u3066\u3044\u308b\u3093\u3060\u304b\u3089NG\u306b\u306a\u308b\u3067\u3057\u3087\u3046\uff01\u3068\u601d\u3044\u307e\u3057\u305f\u304b\uff1f<\/p>\n<p>\u666e\u901a\u305d\u3046\u601d\u3044\u307e\u3059\u3088\u306d\u3002\u5b9f\u306f\u4ee5\u4e0b\u306ephp\u306e\u6bd4\u8f03\u6f14\u7b97\u5b50\u306e\u30eb\u30fc\u30eb\u3067\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u3082\u306e\u304c\u3042\u308b\u306e\u3067\u3059\u3002<\/p>\n<blockquote><p>\u6574\u6570\u5024\u3092\u6587\u5b57\u5217\u3068\u6bd4\u8f03\u3057\u305f\u308a\u3001\u6bd4\u8f03\u306b\u6570\u5024\u5f62\u5f0f\u306e\u6587\u5b57\u304c\u542b\u307e\u308c\u308b\u5834\u5408\u306f\u3001\u6587\u5b57\u5217\u304c \u6570\u5024\u306b\u5909\u63db\u3055\u308c\u3001 \u6570\u5024\u3068\u3057\u3066\u306e\u6bd4\u8f03\u3092\u884c\u3044\u307e\u3059<\/p><\/blockquote>\n<p>\u53c2\u8003:<a href=\"http:\/\/www.php.net\/manual\/ja\/language.operators.comparison.php\" target=\"_blank\" rel=\"noopener noreferrer\">http:\/\/www.php.net\/manual\/ja\/language.operators.comparison.php<\/a><\/p>\n<p>\u3053\u306e\u70b9\u3092\u77e5\u3089\u306a\u3044\u3068\u3001\u4e88\u671f\u305b\u306c\u5024\u304c\u5909\u6570\u306b\u5165\u3063\u3066\u3057\u307e\u3063\u305f\u6642\u306b\u614c\u3066\u308b\u3053\u3068\u306b\u306a\u308b\u306e\u3067\u3059\u3002<\/p>\n<p>\u5b9f\u969b\u614c\u3066\u305f\u306e\u306f\u2026\u79c1\u3067\u3059\u3002<\/p>\n<h2>\u307e\u3068\u3081<\/h2>\n<p>\u4eca\u56de\u306fis_numeric\u3092\u306f\u3058\u3081\u3068\u3059\u308b\u3001php\u306e\u6570\u5024\u30c1\u30a7\u30c3\u30af\u5168\u822c\u306b\u3064\u3044\u3066\u304a\u8a71\u3044\u305f\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u95a2\u6570\u306e\u6b63\u5f0f\u306a\u540d\u524d\u304c\u308f\u304b\u3089\u306a\u304f\u3066\u3082\u3001\u81ea\u5206\u306e\u60a9\u307f\u3084\u5358\u8a9e\u3092\u3059\u3079\u3066\u691c\u7d22\u7a93\u306b\u5165\u308c\u308c\u3070\u3001\u4eca\u306e\u6642\u4ee3\u8ab0\u304b\u306e\u540c\u3058\u3088\u3046\u306a\u7591\u554f\u304b\u3089\u81ea\u5206\u306e\u76ee\u7684\u306b\u305f\u3069\u308a\u7740\u304f\u4e8b\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u53c2\u8003\u66f8\u3057\u304b\u5b66\u3076\u65b9\u6cd5\u304c\u306a\u304b\u3063\u305f\u6642\u4ee3\u304b\u3089\u8003\u3048\u308b\u3068\u3059\u3054\u304f\u6075\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u5927\u4e8b\u306a\u306e\u306f\u3042\u304d\u3089\u3081\u305a\u306b\u5c11\u3057\u305a\u3064\u3067\u3082\u9032\u3080\u3053\u3068\u304b\u306a\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<p>\u305d\u308c\u3067\u306f\u307e\u305f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>php\u3092\u5b66\u3093\u3067\u5c11\u3057\u7d4c\u3063\u305f\u9803\u306e\u79c1\u306b\u3001\u6570\u5024\u3092\u5224\u5b9a\u3059\u308b\u6a5f\u4f1a\u304c\u8a2a\u308c\u307e\u3057\u305f\u3002 is_null\u3068\u3044\u3046\u7a7a\u6587\u5b57\u5224\u5b9a\u306e\u6a5f\u80fd\u3092\u77e5\u3063\u305f\u3070\u304b\u308a\u306e\u79c1\u306f\u3001\u8003\u3048\u307e\u3057\u305f\u3002 is_null\u3067null\u304c\u5224\u5b9a\u3067\u304d\u308b\u306a\u3089\u3001is_number\u3068\u3044\u3046\u95a2\u6570\u3082\u3042\u308b\u306e\u3067 [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":64982,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"swell_btn_cv_data":"","footnotes":""},"categories":[2348],"tags":[],"class_list":["post-67997","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-php-study"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ 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