{"id":217849,"date":"2023-12-23T01:17:24","date_gmt":"2023-12-22T17:17:24","guid":{"rendered":"https:\/\/www.idc.net\/help\/217849\/"},"modified":"2023-12-23T01:17:24","modified_gmt":"2023-12-22T17:17:24","slug":"php%e5%87%bd%e6%95%b0%ef%bc%9amt_getrandmax","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/217849\/","title":{"rendered":"PHP\u51fd\u6570\uff1amt_getrandmax"},"content":{"rendered":"<p><title id=\"php%e5%87%bd%e6%95%b0%ef%bc%9amt_getrandmax-hLmcCXUkcu\">PHP\u51fd\u6570\uff1amt_getrandmax<\/title><\/p>\n<h1 id=\"php%e5%87%bd%e6%95%b0%ef%bc%9amt_getrandmax-hLmcCXUkcu\">PHP\u51fd\u6570\uff1amt_getrandmax<\/h1>\n<p>\u5728PHP\u4e2d\uff0cmt_getrandmax\u662f\u4e00\u4e2a\u975e\u5e38\u6709\u7528\u7684\u51fd\u6570\uff0c\u5b83\u8fd4\u56de\u7531mt_rand\u51fd\u6570\u751f\u6210\u7684\u968f\u673a\u6570\u7684\u6700\u5927\u53ef\u80fd\u503c\u3002<\/p>\n<h2 id=\"%e5%87%bd%e6%95%b0%e6%a6%82%e8%bf%b0-hLmcCXUkcu\">\u51fd\u6570\u6982\u8ff0<\/h2>\n<p>mt_getrandmax\u51fd\u6570\u662f\u4e00\u4e2a\u5185\u7f6e\u7684PHP\u51fd\u6570\uff0c\u7528\u4e8e\u83b7\u53d6\u7531mt_rand\u51fd\u6570\u751f\u6210\u7684\u968f\u673a\u6570\u7684\u6700\u5927\u53ef\u80fd\u503c\u3002mt_rand\u51fd\u6570\u662f\u4e00\u4e2a\u7528\u4e8e\u751f\u6210\u968f\u673a\u6570\u7684Mersenne Twister\u7b97\u6cd5\u7684\u5b9e\u73b0\u3002<\/p>\n<h2 id=\"%e5%87%bd%e6%95%b0%e8%af%ad%e6%b3%95-hLmcCXUkcu\">\u51fd\u6570\u8bed\u6cd5<\/h2>\n<p>mt_getrandmax\u51fd\u6570\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>&lt;?php\n    mt_getrandmax ( void ) : int\n?&gt;<\/code><\/pre>\n<h2 id=\"%e8%bf%94%e5%9b%9e%e5%80%bc-hLmcCXUkcu\">\u8fd4\u56de\u503c<\/h2>\n<p>mt_getrandmax\u51fd\u6570\u8fd4\u56de\u4e00\u4e2a\u6574\u6570\uff0c\u8868\u793a\u7531mt_rand\u51fd\u6570\u751f\u6210\u7684\u968f\u673a\u6570\u7684\u6700\u5927\u53ef\u80fd\u503c\u3002<\/p>\n<h2 id=\"%e7%a4%ba%e4%be%8b-hLmcCXUkcu\">\u793a\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u793a\u4f8b\u6f14\u793a\u4e86\u5982\u4f55\u4f7f\u7528mt_getrandmax\u51fd\u6570\uff1a<\/p>\n<pre><code>&lt;?php\n    $max = mt_getrandmax();\n    echo \"The maximum possible value for a random number is: \" . $max;\n?&gt;<\/code><\/pre>\n<p>\u8f93\u51fa\uff1a<\/p>\n<pre><code>The maximum possible value for a random number is: 2147483647<\/code><\/pre>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a1%b9-hLmcCXUkcu\">\u6ce8\u610f\u4e8b\u9879<\/h2>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cmt_getrandmax\u51fd\u6570\u8fd4\u56de\u7684\u503c\u5728\u4e0d\u540c\u7684\u64cd\u4f5c\u7cfb\u7edf\u548cPHP\u7248\u672c\u4e2d\u53ef\u80fd\u4f1a\u6709\u6240\u4e0d\u540c\u3002\u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u5b83\u8fd4\u56de\u7684\u503c\u662f2147483647\uff0c\u8fd9\u662f\u7531\u4e8eMersenne Twister\u7b97\u6cd5\u7684\u7279\u6027\u6240\u51b3\u5b9a\u7684\u3002<\/p>\n<p>\u5982\u679c\u9700\u8981\u751f\u6210\u66f4\u5927\u8303\u56f4\u7684\u968f\u673a\u6570\uff0c\u53ef\u4ee5\u8003\u8651\u4f7f\u7528\u5176\u4ed6\u7684\u968f\u673a\u6570\u751f\u6210\u51fd\u6570\uff0c\u5982random_int\u51fd\u6570\u3002<\/p>\n<h2 id=\"%e7%bb%93%e8%ae%ba-hLmcCXUkcu\">\u7ed3\u8bba<\/h2>\n<p>mt_getrandmax\u51fd\u6570\u662f\u4e00\u4e2a\u975e\u5e38\u6709\u7528\u7684PHP\u51fd\u6570\uff0c\u7528\u4e8e\u83b7\u53d6\u7531mt_rand\u51fd\u6570\u751f\u6210\u7684\u968f\u673a\u6570\u7684\u6700\u5927\u53ef\u80fd\u503c\u3002\u901a\u8fc7\u4e86\u89e3\u8fd9\u4e2a\u51fd\u6570\u7684\u7528\u6cd5\u548c\u8fd4\u56de\u503c\uff0c\u6211\u4eec\u53ef\u4ee5\u66f4\u597d\u5730\u7406\u89e3\u548c\u63a7\u5236\u968f\u673a\u6570\u7684\u751f\u6210\u8fc7\u7a0b\u3002<\/p>\n<h2 id=\"summary-section-hLmcCXUkcu\">Summary Section<\/h2>\n<p>\u9999\u6e2f\u670d\u52a1\u5668\u9996\u9009\u540e\u6d6a\u4e91\uff0c\u662f\u4e00\u4e2a\u63d0\u4f9b\u9ad8\u8d28\u91cf\u4e91\u8ba1\u7b97\u670d\u52a1\u7684\u516c\u53f8\u3002\u5982\u679c\u60a8\u9700\u8981\u53ef\u9760\u7684\u9999\u6e2f\u670d\u52a1\u5668\uff0c\u540e\u6d6a\u4e91\u662f\u60a8\u7684\u9996\u9009\u3002\u6211\u4eec\u63d0\u4f9b10\u5143\u9999\u6e2f\u670d\u52a1\u5668\u7684\u4f18\u60e0\uff0c\u4ee5\u53ca\u9999\u6e2f\u670d\u52a1\u5668\u514d\u8d39\u8bd5\u7528\u7684\u673a\u4f1a\u3002\u8bf7\u8bbf\u95ee\u6211\u4eec\u7684\u5b98\u7f51\u4e86\u89e3\u66f4\u591a\u4fe1\u606f\uff1a<a href=\"https:\/\/idc.net\">https:\/\/idc.net<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PHP\u51fd\u6570\uff1amt_getrandmax PHP\u51fd\u6570\uff1amt_getrandmax \u5728PHP\u4e2d\uff0cmt_getran [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[197851],"tags":[],"class_list":["post-217849","post","type-post","status-publish","format-standard","hentry","category-php"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/217849","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/comments?post=217849"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/217849\/revisions"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=217849"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=217849"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=217849"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}