{"id":1674,"date":"2022-09-01T17:51:18","date_gmt":"2022-09-01T09:51:18","guid":{"rendered":"https:\/\/www.siediyer.cn\/?p=1674"},"modified":"2022-09-01T17:51:18","modified_gmt":"2022-09-01T09:51:18","slug":"php%e7%9a%84%e7%b2%be%e7%a1%ae%e8%ae%a1%e7%ae%97","status":"publish","type":"post","link":"https:\/\/www.siediyer.cn\/?p=1674","title":{"rendered":"php\u7684\u7cbe\u786e\u8ba1\u7b97"},"content":{"rendered":"<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\">&lt;?php\r\n\/**\r\n * \u7cbe\u786e\u52a0\u6cd5\r\n * @param [type] $a [description]\r\n * @param [type] $b [description]\r\n *\/\r\nfunction math_add($a,$b,$scale = '2') {\r\n    return bcadd($a,$b,$scale);\r\n}\r\n\r\n\r\n\/**\r\n * \u7cbe\u786e\u51cf\u6cd5\r\n * @param [type] $a [description]\r\n * @param [type] $b [description]\r\n *\/\r\nfunction math_sub($a,$b,$scale = '2') {\r\n    return bcsub($a,$b,$scale);\r\n}\r\n\r\n\/**\r\n * \u7cbe\u786e\u4e58\u6cd5\r\n * @param [type] $a [description]\r\n * @param [type] $b [description]\r\n *\/\r\nfunction math_mul($a,$b,$scale = '2') {\r\n    return bcmul($a,$b,$scale);\r\n}\r\n\r\n\/**\r\n * \u7cbe\u786e\u9664\u6cd5\r\n * @param [type] $a [description]\r\n * @param [type] $b [description]\r\n *\/\r\nfunction math_div($a,$b,$scale = '2') {\r\n    return bcdiv($a,$b,$scale);\r\n}\r\n\r\n\/**\r\n * \u7cbe\u786e\u6c42\u4f59\/\u53d6\u6a21\r\n * @param [type] $a [description]\r\n * @param [type] $b [description]\r\n *\/\r\nfunction math_mod($a,$b) {\r\n    return bcmod($a,$b);\r\n}\r\n\r\n\/**\r\n * \u6bd4\u8f83\u5927\u5c0f\r\n * @param [type] $a [description]\r\n * @param [type] $b [description]\r\n * \u5927\u4e8e \u8fd4\u56de 1 \u7b49\u4e8e\u8fd4\u56de 0 \u5c0f\u4e8e\u8fd4\u56de -1\r\n *\/\r\nfunction math_comp($a,$b,$scale = '5') {\r\n    return bccomp($a,$b,$scale); \/\/ \u6bd4\u8f83\u5230\u5c0f\u6570\u70b9\u4f4d\u6570\r\n}\r\n\r\n\r\necho math_add('3.445','3.444').\"\\n\"; \/\/ \u52a0 6.88\r\necho math_sub('3.445','3.444').\"\\n\"; \/\/ \u51cf 0.00\r\necho math_mul('3.445','3.444').\"\\n\"; \/\/ \u4e58 11.86\r\necho math_div('3.445','3.444').\"\\n\"; \/\/ \u9664 1.00\r\necho math_mod('3.445','3.444').\"\\n\"; \/\/ \u53d6\u6a21 0\r\necho math_comp('3.445','3.444').\"\\n\";\/\/ \u6bd4\u8f83 1\r\n\r\necho math_add('3.445','3.444','3').\"\\n\"; \/\/ \u52a0 6.889\r\necho math_sub('3.445','3.444','3').\"\\n\"; \/\/ \u51cf 0.001\r\necho math_mul('3.445','3.444','3').\"\\n\"; \/\/ \u4e58 11.864\r\necho math_div('3.445','3.444','3').\"\\n\"; \/\/ \u9664 1.000\r\necho math_mod('3.445','3.444').\"\\n\"; \/\/ \u53d6\u6a21 0\r\necho math_comp('3.445','3.444').\"\\n\";\/\/ \u6bd4\u8f83 1\r\n?&gt;<\/pre>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&lt;?php \/** * \u7cbe\u786e\u52a0\u6cd5 * @param [type] $a [description] *  [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[136,134,135],"class_list":["post-1674","post","type-post","status-publish","format-standard","hentry","category-php","tag-136","tag-134","tag-135"],"_links":{"self":[{"href":"https:\/\/www.siediyer.cn\/index.php?rest_route=\/wp\/v2\/posts\/1674","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.siediyer.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.siediyer.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.siediyer.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.siediyer.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1674"}],"version-history":[{"count":1,"href":"https:\/\/www.siediyer.cn\/index.php?rest_route=\/wp\/v2\/posts\/1674\/revisions"}],"predecessor-version":[{"id":1675,"href":"https:\/\/www.siediyer.cn\/index.php?rest_route=\/wp\/v2\/posts\/1674\/revisions\/1675"}],"wp:attachment":[{"href":"https:\/\/www.siediyer.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1674"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.siediyer.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1674"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.siediyer.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1674"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}