{"id":24159,"date":"2017-05-30T20:12:16","date_gmt":"2017-05-30T11:12:16","guid":{"rendered":"http:\/\/www.sejuku.net\/blog\/?p=24159"},"modified":"2024-05-06T11:42:47","modified_gmt":"2024-05-06T02:42:47","slug":"%e3%80%90php%e5%85%a5%e9%96%80%e3%80%91%e4%b9%b1%e6%95%b0%e3%82%92%e7%94%9f%e6%88%90%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95%e3%81%be%e3%81%a8%e3%82%81","status":"publish","type":"post","link":"https:\/\/www.sejuku.net\/blog\/24159","title":{"rendered":"\u3010PHP\u5165\u9580\u3011\u30e9\u30f3\u30c0\u30e0\u306a\u6570\u5024\u30fb\u6587\u5b57\u5217\u3092\u751f\u6210\u3059\u308b\uff08rand\u3001mt_rand\uff09"},"content":{"rendered":"<p><div class=\"box_voice\">\u30e9\u30f3\u30c0\u30e0\u306a\u6570\u5024\u3092\u53d6\u5f97\u3057\u305f\u3044<br \/>\n\u914d\u5217\u304b\u3089\u5024\u3092\u30e9\u30f3\u30c0\u30e0\u306b\u53d6\u5f97\u3057\u305f\u3044<br \/>\n\u30e9\u30f3\u30c0\u30e0\u306a\u82f1\u6570\u5b57\u3092\u4f5c\u6210\u3057\u305f\u3044<\/div><\/p>\n<p>PHP\u3067\u306f\u3001\u30e9\u30f3\u30c0\u30e0\u306a\u5024\u3092\u751f\u6210\u3059\u308b\u95a2\u6570\u304c\u3044\u304f\u3064\u304b\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u30e9\u30f3\u30c0\u30e0\u306a\u6570\u5024\u3092\u751f\u6210\u3059\u308b\u57fa\u672c\u304b\u3089\u3001\u3055\u307e\u3056\u307e\u306a\u5024\u3067\u30e9\u30f3\u30c0\u30e0\u5024\u3092\u751f\u6210\u3059\u308b\u65b9\u6cd5\u3092\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<p>\u203b\u3053\u306e\u8a18\u4e8b\u3067\u306fPHP\u306e\u300cVersion 7.1.1\u300d\u3067\u52d5\u4f5c\u78ba\u8a8d\u3057\u307e\u3057\u305f<\/p>\n<h2>\u30e9\u30f3\u30c0\u30e0\u306a\u5024\u3092\u751f\u6210\u3059\u308b(rand)<\/h2>\n<h3>rand\u95a2\u6570\u3068\u306f<\/h3>\n<p>rand\u95a2\u6570\u306f\u30e9\u30f3\u30c0\u30e0\u306a\u5024\u3092\u751f\u6210\u3059\u308b\u3068\u304d\u306b\u4f7f\u7528\u3057\u307e\u3059\u3002\u30e9\u30f3\u30c0\u30e0\u306a\u5024\u3068\u306f\u898f\u5247\u6027\u304c\u306a\u3044\u5024\u306e\u3053\u3068\u3067\u3001\u4e71\u6570\u3068\u3082\u547c\u3073\u307e\u3059\u3002<\/p>\n<p>rand\u95a2\u6570\u306f\u751f\u6210\u3059\u308b\u305f\u3073\u306b\u7570\u306a\u308b\u6570\u5024\u3092\u30e9\u30f3\u30c0\u30e0\u306b\u53d6\u5f97\u3059\u308b\u3067\u304d\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u300c32856\u300d\u306e\u6b21\u306f\u300c53253\u300d\u3068\u3044\u3063\u305f<b>\u4e88\u6e2c\u306e\u3064\u304b\u306a\u3044\u5024\u3092\u751f\u6210<\/b>\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>rand\u95a2\u6570\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8a18\u8ff0\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"striped:false marking:false ranges:false nums:false nums-toggle:false lang:default decode:true \">\r\n\/\/ \u5f15\u6570\u306a\u3057\r\nint rand ( void )\r\n<\/pre>\n<pre class=\"striped:false marking:false ranges:false nums:false nums-toggle:false lang:default decode:true \">\r\n\/\/ \u5f15\u6570\u3042\u308a\r\nint rand ( int $min , int $max )<\/pre>\n<p>\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u5f15\u6570\u3092\u7701\u7565\u3057\u305f\u5834\u5408\u306f\u3001rand\u95a2\u6570\u306f\u4e71\u6570\u306e\u6700\u5927\u5024\u3092\u53d6\u5f97\u3059\u308bgetrandmax()\u306e\u9593\u306e\u64ec\u4f3c\u4e71\u6570\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002<\/p>\n<p>\u6700\u5c0f\u5024\u3001\u6700\u5927\u5024\u3092\u6307\u5b9a\u3057\u305f\u5834\u5408\u3001\u4f8b\u3048\u3070\u6700\u5c0f\u50243\u3067\u6700\u5927\u502410\u3092\u6307\u5b9a\u3057\u305f\u3044\u5834\u5408\u306frand(3, 10)\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n<h3>rand\u95a2\u6570\u306e\u4f7f\u3044\u65b9<\/h3>\n<p>\u3053\u3053\u3067\u306frand\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u3001\u4e71\u6570\u3092\u53d6\u5f97\u3059\u308b\u65b9\u6cd5\u3092\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002\u300cphp_rand.php\u300d\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\u3057\u3066\u3001\u4ee5\u4e0b\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u8a18\u8ff0\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"lang:php decode:true \">\r\n<?php\r\n \r\n\/\/ \u5f15\u6570\u306a\u3057\r\necho '\u4e71\u65701\u56de\u76ee\uff1a'.rand().'<br>';\r\necho '\u4e71\u65702\u56de\u76ee\uff1a'.rand().'<br>';\r\necho '\u4e71\u65703\u56de\u76ee\uff1a'.rand();\r\n \r\n?>\r\n<\/pre>\n<p>php_rand.php\u3092\u30d6\u30e9\u30a6\u30b6\u3067\u5b9f\u884c\u3059\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u30e9\u30f3\u30c0\u30e0\u306a\u6570\u5024\u304c\u53d6\u5f97\u3067\u304d\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u306d\u3002<\/p>\n<pre class=\"striped:false marking:false ranges:false nums:false nums-toggle:false lang:default decode:true \">\u4e71\u65701\u56de\u76ee\uff1a1249983705\r\n\u4e71\u65702\u56de\u76ee\uff1a212397180\r\n\u4e71\u65703\u56de\u76ee\uff1a1219088574<\/pre>\n<p>\u6b21\u306b\u6700\u5c0f\u5024\u3068\u6700\u5927\u5024\u3092\u5f15\u6570\u306b\u6307\u5b9a\u3057\u305f<b>\u7bc4\u56f2\u6307\u5b9a\u306e\u4e71\u6570\u306e\u751f\u6210\u65b9\u6cd5<\/b>\u3092\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002php_rand.php\u3092\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u5909\u66f4\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"lang:php decode:true \">\r\n<?php\r\n \r\n\/\/\u6700\u5c0f\u5024\u3068\u6700\u5927\u5024\u3092\u6307\u5b9a\r\n$min = 3;\r\n$max = 10;\r\n \r\n\/\/\u4e71\u6570\u3092\u751f\u6210\u3059\u308b\r\necho '\u4e71\u65701\u56de\u76ee\uff1a'.rand($min, $max).'<br>';\r\necho '\u4e71\u65702\u56de\u76ee\uff1a'.rand($min, $max).'<br>';\r\necho '\u4e71\u65703\u56de\u76ee\uff1a'.rand($min, $max);\r\n \r\n?>\r\n<\/pre>\n<p>\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001\u6307\u5b9a\u3057\u305f\u6700\u5c0f\u50243\u3001\u6700\u5927\u502410\u306e\u9593\u3067\u4e71\u6570\u304c\u751f\u6210\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"striped:false marking:false ranges:false nums:false nums-toggle:false lang:default decode:true \">\u4e71\u65701\u56de\u76ee\uff1a5\r\n\u4e71\u65702\u56de\u76ee\uff1a8\r\n\u4e71\u65703\u56de\u76ee\uff1a3<\/pre>\n<h2>\u30e9\u30f3\u30c0\u30e0\u306a\u5024\u3092\u751f\u6210\u3059\u308b(mt_rand)<\/h2>\n<h3>mt_rand\u95a2\u6570\u3068\u306f<\/h3>\n<p>mt_rand\u95a2\u6570\u306frand\u95a2\u6570\u3068\u540c\u3058\u304f\u6570\u5024\u306a\u3069\u306e\u5024\u304b\u3089\u30e9\u30f3\u30c0\u30e0\u306a\u5024\u3092\u53d6\u5f97\u3059\u308b\u3068\u304d\u306b\u4f7f\u7528\u3057\u307e\u3059\u3002mt_rand\u95a2\u6570\u306frand\u95a2\u6570\u306e\u4ee3\u66ff\u624b\u6bb5\u3068\u547c\u3079\u308b\u95a2\u6570\u3067\u3059\u3002<\/p>\n<p><dl class=\"notes-wrapper\"><dt class=\"notes-title\">rand\u3068mt_rand\u306e\u9055\u3044\u306f\uff1f<\/dt><dd class=\"notes-body\"><br \/>\nmt_rand\u95a2\u6570\u306f\u30e1\u30eb\u30bb\u30f3\u30cc\u30fb\u30c4\u30a4\u30b9\u30bf\u3068\u547c\u3070\u308c\u308b\u64ec\u4f3c\u4e71\u6570\u5217\u751f\u6210\u5668\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u305f\u3081\u3001rand\u95a2\u6570\u3088\u308a4\u500d\u4ee5\u4e0a\u9ad8\u901f\u306b\u4e71\u6570\u3092\u751f\u6210\u3067\u304d\u308b\u3068\u8a00\u308f\u308c\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001 rand\u95a2\u6570\u3067\u4f7f\u7528\u3059\u308b\u53e4\u3044\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u4e71\u6570\u767a\u751f\u5668\u306f\u3001\u7279\u6027\u304c\u4e0d\u660e\u3067\u3042\u3063\u305f\u308a\u51e6\u7406\u304c\u4f4e\u901f\u306e\u305f\u3081\u3001\u901a\u5e38\u4f7f\u7528\u3059\u308b\u5206\u306b\u306fmt_rand\u95a2\u6570\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3092\u30aa\u30b9\u30b9\u30e1\u3057\u307e\u3059\u3002\/\u00a0<a href=\"https:\/\/www.php.net\/manual\/ja\/function.mt-rand.php\" target=\"_blank\" rel=\"noopener noreferrer\">\u53c2\u8003\u300cPHP: mt_rand\u300d<\/a><br \/>\n<\/dd><\/dl><\/p>\n<h3>mt_rand\u95a2\u6570\u306e\u4f7f\u3044\u65b9<\/h3>\n<p>\u4ee5\u4e0b\u306bmt_rand\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u3001\u4e71\u6570\u3092\u53d6\u5f97\u3059\u308b\u65b9\u6cd5\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"lang:php decode:true \">&lt;?php\r\n\r\n\/\/ \u5f15\u6570\u306a\u3057\r\necho mt_rand().'&lt;br&gt;';\r\necho mt_rand().'&lt;br&gt;';\r\necho mt_rand().'&lt;br&gt;';\r\n\r\n?&gt;\r\n<\/pre>\n<p>\u5b9f\u884c\u7d50\u679c\uff1a<\/p>\n<pre class=\"striped:false marking:false ranges:false nums:false nums-toggle:false lang:default decode:true \">1591549315\r\n1044238503\r\n70809825\r\n<\/pre>\n<p>\u4ee5\u4e0b\u3067\u306fmt_rand\u95a2\u6570\u306e\u5f15\u6570\u306b\u6700\u5c0f\u5024\u3068\u6700\u5927\u5024\u3092\u6307\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<pre class=\"lang:php decode:true \">&lt;?php\r\n\r\n$min = 3;\r\n$max = 10;\r\n\r\n\/\/\u4e71\u6570\u3092\u751f\u6210\u3059\u308b\r\necho mt_rand($min, $max).'&lt;br&gt;';\r\necho mt_rand($min, $max).'&lt;br&gt;';\r\necho mt_rand($min, $max).'&lt;br&gt;';\r\n\r\n?&gt;\r\n<\/pre>\n<p>\u5b9f\u884c\u7d50\u679c\uff1a<\/p>\n<pre class=\"striped:false marking:false ranges:false nums:false nums-toggle:false lang:default decode:true \">8\r\n10\r\n7\r\n<\/pre>\n<h3>\u30e9\u30f3\u30c0\u30e0\u306a\u6587\u5b57\u5217\u3092\u751f\u6210\u3059\u308b<\/h3>\n<p>mt_rand\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u30e9\u30f3\u30c0\u30e0\u306a\u6587\u5b57\u5217\u3092\u751f\u6210\u3059\u308b\u5834\u5408\u3001ASCII\u30b3\u30fc\u30c9\u3067\u6307\u5b9a\u3055\u308c\u305f\u5f15\u6570\u304b\u3089\u6587\u5b57\u3092\u8fd4\u3059chr\u95a2\u6570\u3092\u4f75\u7528\u3057\u3066\u6587\u5b57\u5217\u3092\u751f\u6210\u3057\u307e\u3059\u3002<\/p>\n<p>ASCII\u30b3\u30fc\u30c9\u306b\u3088\u308b\u6587\u5b57\u5909\u63db\u306f65\u304cA\u300190\u304cZ\u306e\u305f\u3081\u3001\u30e9\u30f3\u30c0\u30e0\u306a\u6587\u5b57\u5217\u3092\u751f\u6210\u3059\u308b\u5834\u5408\u306frand\u95a2\u6570\u3067\u6700\u5c0f\u502465\u3001\u6700\u5927\u502495\u3067\u6307\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"lang:php decode:true \">&lt;?php\r\n\r\n\/\/\u30e9\u30f3\u30c0\u30e0\u306a\u6587\u5b57\u5217\u3092\u751f\u6210\u3059\u308b\r\n$rand_str = chr(mt_rand(65,90)) . chr(mt_rand(65,90)) . chr(mt_rand(65,90)) .\r\n            chr(mt_rand(65,90)) . chr(mt_rand(65,90)) . chr(mt_rand(65,90));\r\n\r\necho $rand_str;\r\n\r\n?&gt;\r\n<\/pre>\n<p>\u5b9f\u884c\u7d50\u679c\uff1a<\/p>\n<pre class=\"striped:false marking:false ranges:false nums:false nums-toggle:false lang:default decode:true \">LINCCR\r\n<\/pre>\n<p>\u5b9f\u884c\u7d50\u679c\u306e\u3068\u304a\u308a\u30016\u6587\u5b57\u306e\u30e9\u30f3\u30c0\u30e0\u306a\u6587\u5b57\u5217\u3092\u751f\u6210\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n<h2>\u914d\u5217\u306e\u8981\u7d20\u3092\u30e9\u30f3\u30c0\u30e0\u306b\u53d6\u5f97\u3059\u308b<\/h2>\n<p>\u914d\u5217\u304b\u30891\u3064\u4ee5\u4e0a\u306e\u914d\u5217\u306e\u8981\u7d20\u3092\u30e9\u30f3\u30c0\u30e0\u306b\u53d6\u308a\u51fa\u3057\u305f\u3044\u3068\u304d\u306b\u306f\u3001array_rand\u95a2\u6570\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"striped:false marking:false ranges:false nums:false nums-toggle:false lang:default decode:true \">array_rand( $\u914d\u5217 [, int $\u8981\u7d20\u6570 ] )\r\n<\/pre>\n<p>\u7b2c\u4e00\u5f15\u6570\u306b\u306f\u30e9\u30f3\u30c0\u30e0\u306b\u8981\u7d20\u3092\u53d6\u5f97\u3059\u308b\u914d\u5217\u3092\u6307\u5b9a\u3057\u3001\u7b2c\u4e8c\u5f15\u6570\u306b\u306f\u53d6\u5f97\u3059\u308b\u8981\u7d20\u6570\u3092\u6307\u5b9a\u3067\u304d\u307e\u3059\u3002array_rand\u95a2\u6570\u306f\u6307\u5b9a\u3057\u305f\u914d\u5217\u306e\u30e9\u30f3\u30c0\u30e0\u306a\u30ad\u30fc\u914d\u5217\u3092\u8fd4\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"lang:php decode:true \">&lt;?php\r\n\r\n$fruits = ['apple'=&gt;'100\u5186', 'orange'=&gt;'80\u5186', 'melon'=&gt;'300\u5186',\r\n           'banana'=&gt;'120\u5186', 'pineapple'=&gt;'350\u5186'];\r\n\r\n\/\/\u30e9\u30f3\u30c0\u30e0\u306a\u8981\u7d20\u3092\u53d6\u5f97\u3059\u308b\r\n$rand_key = array_rand($fruits, 3);\r\n\r\nprint_r($rand_key);\r\n\r\n?&gt;\r\n<\/pre>\n<p>\u5b9f\u884c\u7d50\u679c\uff1a<\/p>\n<pre class=\"striped:false marking:false ranges:false nums:false nums-toggle:false lang:default decode:true \">Array\r\n(\r\n    [0] =&gt; orange\r\n    [1] =&gt; banana\r\n    [2] =&gt; pineapple\r\n)\r\n<\/pre>\n<p>\u30b5\u30f3\u30d7\u30eb\u3067\u306f5\u3064\u306e\u8981\u7d20\u304c\u3042\u308b\u9023\u60f3\u914d\u5217\u3092array_rand\u95a2\u6570\u3092\u6307\u5b9a\u3057\u3066\u30013\u3064\u306e\u30e9\u30f3\u30c0\u30e0\u306a\u8981\u7d20\u306e\u30ad\u30fc\u914d\u5217\u3092\u53d6\u5f97\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u7b2c\u4e8c\u5f15\u6570\u306f\u914d\u5217\u306e\u8981\u7d20\u6570\u3088\u308a\u5927\u304d\u306a\u5024\u3092\u6307\u5b9a\u3059\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u307e\u3059\u306e\u3067\u6ce8\u610f\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<pre class=\"striped:false marking:false ranges:false nums:false nums-toggle:false lang:default decode:true \">PHP Warning:  array_rand(): Second argument has to be between 1 and the number of elements\r\n<\/pre>\n<h2>\u30e9\u30f3\u30c0\u30e0\u306a\u82f1\u6570\u5b57\u3092\u751f\u6210\u3059\u308b<\/h2>\n<p>\u3053\u3053\u3067\u306f\u3055\u307e\u3056\u307e\u306a\u65b9\u6cd5\u3067\u6570\u5024\u3068\u6587\u5b57\u5217\u3092\u7d44\u307f\u5408\u308f\u305b\u305f\u30e9\u30f3\u30c0\u30e0\u306a\u82f1\u6570\u5b57\u3092\u751f\u6210\u3059\u308b\u65b9\u6cd5\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<h3>str_shuffle\u95a2\u6570\u3092\u4f7f\u7528\u3059\u308b<\/h3>\n<p>str_shuffle\u95a2\u6570\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u5f15\u6570\u306b\u6307\u5b9a\u3057\u305f\u6587\u5b57\u5217\u3092\u30b7\u30e3\u30c3\u30d5\u30eb\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u306e\u4f8b\u3067\u306f\u6587\u5b57\u5217\u3068\u3057\u3066\u6570\u5024\u3068\u30a2\u30eb\u30d5\u30a1\u30d9\u30c3\u30c8\u306ea-z\u3001A-Z\u304c\u542b\u307e\u308c\u305f\u6587\u5b57\u5217\u3092str_shuffle\u95a2\u6570\u306e\u5f15\u6570\u306b\u6307\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<pre class=\"lang:php decode:true \">\r\n<?php\r\n\r\n\/\/ \u30e9\u30f3\u30c0\u30e0\u306a\u82f1\u6570\u5b57\u306e\u751f\u6210\r\n$str = '1234567890abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPUQRSTUVWXYZ';\r\n$str_r = substr(\r\n  str_shuffle($str), 0, 10);\r\n\r\necho $str_r;\r\n\r\n?>\r\n<\/pre>\n<p>\u5b9f\u884c\u7d50\u679c\uff1a<\/p>\n<pre class=\"lang:php decode:true \">ujY8xpQftU<\/pre>\n<p>\u3053\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001\u5b9f\u884c\u7d50\u679c\u306e\u3088\u3046\u306b\u30e9\u30f3\u30c0\u30e0\u306a\u82f1\u6570\u5b57\u306e\u6587\u5b57\u5217\u304c\u4f5c\u6210\u3055\u308c\u307e\u3059\u3002\u307e\u305f\u3001substr\u95a2\u6570\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u6587\u5b57\u5217\u306e\u7bc4\u56f2\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3>uniqid\u95a2\u6570\u3092\u4f7f\u7528\u3059\u308b<\/h3>\n<p>uniqid\u95a2\u6570\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3082\u30e9\u30f3\u30c0\u30e0\u306a\u6587\u5b57\u5217\u3092\u751f\u6210\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>uniqid\u95a2\u6570\u306f\u30e6\u30cb\u30fc\u30af\u306aID\u3092\u751f\u6210\u3059\u308b\u3068\u304d\u306b\u4f7f\u7528\u3057\u3001\u7b2c\u4e8c\u5f15\u6570\u306bTRUE\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u8fd4\u308a\u5024\u306e\u6700\u5f8c\u306b\u7dda\u5f62\u5408\u540c\u6cd5\uff08\u64ec\u4f3c\u4e71\u6570\u5217\u306e\u751f\u6210\u5f0f\u306e\u4e00\u3064\uff09\u3067\u751f\u6210\u3055\u308c\u305f\u6587\u5b57\u5217\u304c\u8ffd\u52a0\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001\u7b2c\u4e00\u5f15\u6570\u306brand\u95a2\u6570\u3092\u6307\u5b9a\u3059\u308b\u3068\u3001\u3055\u3089\u306b\u30e9\u30f3\u30c0\u30e0\u306a\u6587\u5b57\u5217\u3092\u751f\u6210\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"lang:php decode:true \">\r\n<?php\r\n\r\n$str_r = uniqid(rand(), true);\r\necho $str_r;\r\n\r\n?>\r\n<\/pre>\n<p>\u5b9f\u884c\u7d50\u679c\uff1a<\/p>\n<pre class=\"lang:php decode:true \">35393474759ef0d7395d694.56621330<\/pre>\n<h3>md5\u95a2\u6570\u3092\u4f7f\u7528\u3059\u308b<\/h3>\n<p>md5\u95a2\u6570\u306f32\u6587\u5b57\u306e16\u9032\u6570\u304b\u3089\u306a\u308b\u30cf\u30c3\u30b7\u30e5\u3092\u53d6\u5f97\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u30cf\u30c3\u30b7\u30e5\u3068\u306f\u7c21\u5358\u306b\u4f8b\u3048\u308b\u3068\u30c7\u30fc\u30bf\u3092\u7d30\u5207\u308c\u3059\u308b\u3068\u3044\u3046\u610f\u5473\u304c\u3042\u308a\u307e\u3059\u3002\u7b2c\u4e00\u5f15\u6570\u306b\u306f\u5bfe\u8c61\u306e\u6587\u5b57\u5217\u3092\u6307\u5b9a\u3057\u3001\u7b2c\u4e8c\u5f15\u6570\u306bTRUE\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3067 16\u30d0\u30a4\u30c8\u9577\u306e\u30d0\u30a4\u30ca\u30ea\u5f62\u5f0f\u3067\u53d6\u5f97\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u306e\u4f8b\u3067\u306fmd5\u95a2\u6570\u306e\u5f15\u6570\u306b\u524d\u8ff0\u3057\u305funiqid\u95a2\u6570\u3068\u3001\u305d\u306e\u5f15\u6570\u306brand\u95a2\u6570\u3092\u6307\u5b9a\u3057\u3066\u3001\u3088\u308a\u8907\u96d1\u306a\u6587\u5b57\u5217\u3092\u751f\u6210\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<pre class=\"lang:php decode:true \">\r\n<?php\r\n\r\n$str_r = md5(uniqid(rand(), true));\r\necho $str_r;\r\n\r\n?>\r\n<\/pre>\n<p>\u5b9f\u884c\u7d50\u679c\uff1a<\/p>\n<pre class=\"striped:false marking:false ranges:false nums:false nums-toggle:false lang:default decode:true \">983408b6c0433eede226884de4420bc6<\/pre>\n<h2>\u307e\u3068\u3081<\/h2>\n<p>\u3053\u3053\u3067\u306f\u30e9\u30f3\u30c0\u30e0\u306a\u5024\u3092\u751f\u6210\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u3001<\/p>\n<div class=\"box01\">\n<ul>\n<li><b>rand\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u30e9\u30f3\u30c0\u30e0\u306a\u5024\u3092\u751f\u6210\u3059\u308b\u65b9\u6cd5<\/b><\/li>\n<li><b>mt_rand\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u30e9\u30f3\u30c0\u30e0\u306a\u5024\u3092\u751f\u6210\u3059\u308b\u65b9\u6cd5<\/b><\/li>\n<li><b>array_rand\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u914d\u5217\u306e\u5024\u3092\u30e9\u30f3\u30c0\u30e0\u306b\u53d6\u5f97\u3059\u308b\u65b9\u6cd5<\/b><\/li>\n<li><b>\u914d\u5217\u304b\u3089\u30e9\u30f3\u30c0\u30e0\u306a\u8981\u7d20\u3092\u53d6\u5f97\u3059\u308b\u65b9\u6cd5<\/b><\/li>\n<li><b>str_shuffle\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u30e9\u30f3\u30c0\u30e0\u306a\u82f1\u6570\u5b57\u3092\u751f\u6210\u3059\u308b\u65b9\u6cd5<\/b><\/li>\n<li><b>uniqid\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u30e9\u30f3\u30c0\u30e0\u306a\u82f1\u6570\u5b57\u3092\u751f\u6210\u3059\u308b\u65b9\u6cd5<\/b><\/li>\n<li><b>md5\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u30e9\u30f3\u30c0\u30e0\u306a\u82f1\u6570\u5b57\u3092\u751f\u6210\u3059\u308b\u65b9\u6cd5<\/b><\/li>\n<\/ul>\n<\/div>\n<p>\u306a\u3069\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u4e71\u6570\u3092\u4f7f\u7528\u3057\u305f\u51e6\u7406\u306f\u3001\u6570\u5024\u3092\u9078\u3093\u3067\u5f53\u3066\u305f\u308a\u3001\u62bd\u9078\u3067\u6570\u5024\u3092\u9078\u3093\u3060\u308a\u3001\u30b2\u30fc\u30e0\u306a\u3069\u306e\u51e6\u7406\u3067\u3082\u3088\u304f\u4f7f\u7528\u3057\u307e\u3059\u3002\u3082\u3057\u3001\u4e71\u6570\u3092\u751f\u6210\u3059\u308b\u65b9\u6cd5\u3092\u5fd8\u308c\u3066\u3057\u307e\u3063\u305f\u3089\u3001\u3053\u306e\u8a18\u4e8b\u3092\u601d\u3044\u51fa\u3057\u3066\u304f\u3060\u3055\u3044\u306d\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u30e9\u30f3\u30c0\u30e0\u306a\u6570\u5024\u3092\u53d6\u5f97\u3057\u305f\u3044 \u914d\u5217\u304b\u3089\u5024\u3092\u30e9\u30f3\u30c0\u30e0\u306b\u53d6\u5f97\u3057\u305f\u3044 \u30e9\u30f3\u30c0\u30e0\u306a\u82f1\u6570\u5b57\u3092\u4f5c\u6210\u3057\u305f\u3044 PHP\u3067\u306f\u3001\u30e9\u30f3\u30c0\u30e0\u306a\u5024\u3092\u751f\u6210\u3059\u308b\u95a2\u6570\u304c\u3044\u304f\u3064\u304b\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u30e9\u30f3\u30c0\u30e0\u306a\u6570\u5024\u3092\u751f\u6210\u3059\u308b\u57fa\u672c\u304b\u3089\u3001\u3055\u307e\u3056\u307e\u306a\u5024\u3067\u30e9 [&hellip;]<\/p>\n","protected":false},"author":16433,"featured_media":103798,"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":[38],"class_list":["post-24159","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-php-study","tag-php"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u3010PHP\u5165\u9580\u3011\u30e9\u30f3\u30c0\u30e0\u306a\u6570\u5024\u30fb\u6587\u5b57\u5217\u3092\u751f\u6210\u3059\u308b\uff08rand\u3001mt_rand\uff09 | \u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u30d6\u30ed\u30b0<\/title>\n<meta name=\"description\" content=\"\u3053\u306e\u8a18\u4e8b\u3067\u306f\u300c 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