{"id":217853,"date":"2023-12-23T01:21:32","date_gmt":"2023-12-22T17:21:32","guid":{"rendered":"https:\/\/www.idc.net\/help\/217853\/"},"modified":"2023-12-23T01:21:32","modified_gmt":"2023-12-22T17:21:32","slug":"php%e5%87%bd%e6%95%b0%ef%bc%9apow","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/217853\/","title":{"rendered":"PHP\u51fd\u6570\uff1apow"},"content":{"rendered":"<h1 id=\"php%e5%87%bd%e6%95%b0%ef%bc%9apow-FtIGzIyoSu\">PHP\u51fd\u6570\uff1apow<\/h1>\n<p>\u5728PHP\u4e2d\uff0cpow()\u51fd\u6570\u7528\u4e8e\u8ba1\u7b97\u4e00\u4e2a\u6570\u7684\u6307\u6570\u5e42\u3002<\/p>\n<h2 id=\"%e8%af%ad%e6%b3%95-FtIGzIyoSu\">\u8bed\u6cd5<\/h2>\n<p>pow(base, exponent)<\/p>\n<h2 id=\"%e5%8f%82%e6%95%b0-FtIGzIyoSu\">\u53c2\u6570<\/h2>\n<ul>\n<li><b>base<\/b>: \u5fc5\u9700\u3002\u6307\u5b9a\u57fa\u6570\u3002<\/li>\n<li><b>exponent<\/b>: \u5fc5\u9700\u3002\u6307\u5b9a\u6307\u6570\u3002<\/li>\n<\/ul>\n<h2 id=\"%e8%bf%94%e5%9b%9e%e5%80%bc-FtIGzIyoSu\">\u8fd4\u56de\u503c<\/h2>\n<p>pow()\u51fd\u6570\u8fd4\u56de\u6307\u5b9a\u57fa\u6570\u7684\u6307\u5b9a\u6307\u6570\u5e42\u7684\u503c\u3002<\/p>\n<h2 id=\"%e7%a4%ba%e4%be%8b-FtIGzIyoSu\">\u793a\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662fpow()\u51fd\u6570\u7684\u4e00\u4e9b\u793a\u4f8b\uff1a<\/p>\n<pre>\n&lt;?php\necho &quot;pow(2, 3) \u7684\u7ed3\u679c\u662f\uff1a&quot; . pow(2, 3) . &quot;<br>\";\necho \"pow(4, 0.5) \u7684\u7ed3\u679c\u662f\uff1a\" . pow(4, 0.5) . \"<br>\";\necho \"pow(10, -2) \u7684\u7ed3\u679c\u662f\uff1a\" . pow(10, -2) . \"<br>\";\n?&gt;\n<\/pre>\n<p>\u8f93\u51fa\uff1a<\/p>\n<pre>\npow(2, 3) \u7684\u7ed3\u679c\u662f\uff1a8\npow(4, 0.5) \u7684\u7ed3\u679c\u662f\uff1a2\npow(10, -2) \u7684\u7ed3\u679c\u662f\uff1a0.01\n<\/pre>\n<h2 id=\"%e8%af%b4%e6%98%8e-FtIGzIyoSu\">\u8bf4\u660e<\/h2>\n<p>pow()\u51fd\u6570\u63a5\u53d7\u4e24\u4e2a\u53c2\u6570\uff0cbase\u548cexponent\u3002\u5b83\u8fd4\u56debase\u7684exponent\u6b21\u5e42\u7684\u503c\u3002<\/p>\n<p>\u5982\u679cexponent\u662f\u6b63\u6570\uff0c\u5219\u8fd4\u56debase\u7684exponent\u6b21\u5e42\u7684\u503c\u3002<\/p>\n<p>\u5982\u679cexponent\u662f\u8d1f\u6570\uff0c\u5219\u8fd4\u56debase\u7684exponent\u6b21\u5e42\u7684\u5012\u6570\u3002<\/p>\n<p>\u5982\u679cexponent\u662f0\uff0c\u5219\u8fd4\u56de1\u3002<\/p>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cpow()\u51fd\u6570\u8fd4\u56de\u7684\u7ed3\u679c\u662f\u4e00\u4e2a\u6d6e\u70b9\u6570\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8pow%e5%87%bd%e6%95%b0%e8%ae%a1%e7%ae%97%e5%b9%82-FtIGzIyoSu\">\u4f7f\u7528pow()\u51fd\u6570\u8ba1\u7b97\u5e42<\/h2>\n<p>pow()\u51fd\u6570\u53ef\u4ee5\u7528\u4e8e\u8ba1\u7b97\u5404\u79cd\u5e42\u7684\u503c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u793a\u4f8b\uff1a<\/p>\n<h3 id=\"%e8%ae%a1%e7%ae%97%e5%b9%b3%e6%96%b9-FtIGzIyoSu\">\u8ba1\u7b97\u5e73\u65b9<\/h3>\n<pre>\n\n<\/pre>\n<p>\u8f93\u51fa\uff1a<\/p>\n<pre>\n5\u7684\u5e73\u65b9\u662f25\u3002\n<\/pre>\n<h3 id=\"%e8%ae%a1%e7%ae%97%e7%ab%8b%e6%96%b9-FtIGzIyoSu\">\u8ba1\u7b97\u7acb\u65b9<\/h3>\n<pre>\n\n<\/pre>\n<p>\u8f93\u51fa\uff1a<\/p>\n<pre>\n4\u7684\u7acb\u65b9\u662f64\u3002\n<\/pre>\n<h3 id=\"%e8%ae%a1%e7%ae%97%e4%bb%bb%e6%84%8f%e5%b9%82-FtIGzIyoSu\">\u8ba1\u7b97\u4efb\u610f\u5e42<\/h3>\n<pre>\n\n<\/pre>\n<p>\u8f93\u51fa\uff1a<\/p>\n<pre>\n2\u76845\u6b21\u5e42\u662f32\u3002\n<\/pre>\n<h2 id=\"%e7%bb%93%e8%ae%ba-FtIGzIyoSu\">\u7ed3\u8bba<\/h2>\n<p>\u901a\u8fc7\u4f7f\u7528PHP\u7684pow()\u51fd\u6570\uff0c\u6211\u4eec\u53ef\u4ee5\u8f7b\u677e\u5730\u8ba1\u7b97\u4e00\u4e2a\u6570\u7684\u6307\u6570\u5e42\u3002\u65e0\u8bba\u662f\u8ba1\u7b97\u5e73\u65b9\u3001\u7acb\u65b9\u8fd8\u662f\u4efb\u610f\u5e42\uff0cpow()\u51fd\u6570\u90fd\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u5b8c\u6210\u3002<\/p>\n<h2 id=\"summary-section-FtIGzIyoSu\">Summary Section<\/h2>\n<p>\u9999\u6e2f\u670d\u52a1\u5668\u9996\u9009\u540e\u6d6a\u4e91\uff0c\u63d0\u4f9b\u53ef\u9760\u7684\u4e91\u8ba1\u7b97\u670d\u52a1\u3002\u60a8\u53ef\u4ee5\u5728\u6211\u4eec\u7684\u5b98\u7f51\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u9999\u6e2f\u670d\u52a1\u5668\u7684\u4fe1\u606f\u3002\u6211\u4eec\u8fd8\u63d0\u4f9b10\u5143\u9999\u6e2f\u670d\u52a1\u5668\u7684\u7279\u4ef7\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\u8be6\u60c5\u3002<\/p>\n<p><a href=\"https:\/\/idc.net\">https:\/\/idc.net<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>PHP\u51fd\u6570\uff1apow \u5728PHP\u4e2d\uff0cpow()\u51fd\u6570\u7528\u4e8e\u8ba1\u7b97\u4e00\u4e2a\u6570\u7684\u6307\u6570\u5e42\u3002 \u8bed\u6cd5 pow(base, expone [&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-217853","post","type-post","status-publish","format-standard","hentry","category-php"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/217853","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=217853"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/217853\/revisions"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=217853"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=217853"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=217853"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}