{"id":48051,"date":"2024-12-02T08:34:43","date_gmt":"2024-12-02T00:34:43","guid":{"rendered":"https:\/\/fwq.ai\/blog\/48051\/"},"modified":"2024-12-02T08:34:43","modified_gmt":"2024-12-02T00:34:43","slug":"php%e5%87%bd%e6%95%b0%e9%9d%a2%e8%af%95%e5%bf%85%e5%a4%87%e7%9f%a5%e8%af%86%e7%82%b9%ef%bc%8c%e8%a7%a3%e6%9e%90%e6%95%b0%e5%ad%a6%e5%87%bd%e6%95%b0%e7%9a%84%e5%bc%ba%e5%a4%a7%e5%8a%9f%e8%83%bd","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/48051\/","title":{"rendered":"PHP\u51fd\u6570\u9762\u8bd5\u5fc5\u5907\u77e5\u8bc6\u70b9\uff0c\u89e3\u6790\u6570\u5b66\u51fd\u6570\u7684\u5f3a\u5927\u529f\u80fd"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>PHP\u51fd\u6570\u9762\u8bd5\u5fc5\u5907\u77e5\u8bc6\u70b9\uff0c\u89e3\u6790\u6570\u5b66\u51fd\u6570\u7684\u5f3a\u5927\u529f\u80fd<\/h1>\n<p>\u6700\u8fd1\u53d1\u73b0\u4e0d\u5c11\u5c0f\u4f19\u4f34\u90fd\u5bf9<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u5f88\u611f\u5174\u8da3\uff0c\u6240\u4ee5\u4eca\u5929\u7ee7\u7eed\u7ed9\u5927\u5bb6\u4ecb\u7ecd<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u76f8\u5173\u7684\u77e5\u8bc6\uff0c\u672c\u6587<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aPHP\u51fd\u6570\u9762\u8bd5\u5fc5\u5907\u77e5\u8bc6\u70b9\uff0c\u89e3\u6790\u6570\u5b66\u51fd\u6570\u7684\u5f3a\u5927\u529f\u80fd\u300b<\/span>\u4e3b\u8981\u5185\u5bb9\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u80fd\u5e2e\u5230\u4f60\uff01\u5f53\u7136\u5982\u679c\u9605\u8bfb\u672c\u6587\u65f6\u5b58\u5728\u4e0d\u540c\u60f3\u6cd5\uff0c\u53ef\u4ee5\u5728\u8bc4\u8bba\u4e2d\u8868\u8fbe\uff0c\u4f46\u662f\u8bf7\u52ff\u4f7f\u7528\u8fc7\u6fc0\u7684\u63aa\u8f9e~<\/p>\n<p>PHP \u63d0\u4f9b\u5f3a\u5927\u7684\u6570\u5b66\u51fd\u6570\u6765\u89e3\u6790\u6570\u5b66\u8fd0\u7b97\u30021. round() \u51fd\u6570\u56db\u820d\u4e94\u5165\u6570\u5b57\u30022. ceil() \u51fd\u6570\u5411\u4e0a\u53d6\u6574\u6570\u5b57\u30023. floor() \u51fd\u6570\u5411\u4e0b\u53d6\u6574\u6570\u5b57\u30024. abs() \u51fd\u6570\u8fd4\u56de\u6570\u5b57\u7684\u7edd\u5bf9\u503c\u30025. min() \u548c max() \u51fd\u6570\u5206\u522b\u8fd4\u56de\u6700\u5c0f\u503c\u548c\u6700\u5927\u503c\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241026\/1729952195671cf9c3adb27.jpg\" class=\"aligncenter\" title=\"PHP\u51fd\u6570\u9762\u8bd5\u5fc5\u5907\u77e5\u8bc6\u70b9\uff0c\u89e3\u6790\u6570\u5b66\u51fd\u6570\u7684\u5f3a\u5927\u529f\u80fd\u63d2\u56fe\" alt=\"PHP\u51fd\u6570\u9762\u8bd5\u5fc5\u5907\u77e5\u8bc6\u70b9\uff0c\u89e3\u6790\u6570\u5b66\u51fd\u6570\u7684\u5f3a\u5927\u529f\u80fd\u63d2\u56fe\" \/><\/p>\n<h2>PHP \u51fd\u6570\u9762\u8bd5\u5fc5\u5907\u77e5\u8bc6\u70b9\uff1a\u89e3\u6790\u6570\u5b66\u51fd\u6570\u7684\u5f3a\u5927\u529f\u80fd<\/h2>\n<h3>1. round()<\/h3>\n<p><code>round()<\/code> \u51fd\u6570\u5c06\u6570\u5b57\u56db\u820d\u4e94\u5165\u5230\u6700\u63a5\u8fd1\u7684\u6574\u6570\u3002<\/p>\n<p><strong>\u8bed\u6cd5\uff1a<\/strong><\/p>\n<pre>round($number, $precision = 0)<\/pre>\n<p><strong>\u53c2\u6570\uff1a<\/strong><\/p>\n<ul>\n<li><code>$number<\/code>\uff1a\u8981\u56db\u820d\u4e94\u5165\u7684\u6570\u5b57<\/li>\n<li><code>$precision<\/code>\uff1a\u56db\u820d\u4e94\u5165\u540e\u7684\u7cbe\u5ea6\uff08\u53ef\u9009\uff0c\u9ed8\u8ba4\u4e3a 0\uff09<\/li>\n<\/ul>\n<p><strong>\u5b9e\u6218\u6848\u4f8b\uff1a<\/strong><\/p>\n<p>\u56db\u820d\u4e94\u5165\u6570\u5b57 3.14 \u5230\u6700\u63a5\u8fd1\u7684\u6574\u6570\uff1a<\/p>\n<pre>$rounded_number = round(3.14); \/\/ \u8f93\u51fa\uff1a3<\/pre>\n<h3>2. ceil()<\/h3>\n<p><code>ceil()<\/code> \u51fd\u6570\u5bf9\u6570\u5b57\u5411\u4e0a\u53d6\u6574\uff0c\u8fd4\u56de\u5927\u4e8e\u6216\u7b49\u4e8e\u8be5\u6570\u5b57\u7684\u6700\u63a5\u8fd1\u7684\u6574\u6570\u3002<\/p>\n<p><strong>\u8bed\u6cd5\uff1a<\/strong><\/p>\n<pre>ceil($number)<\/pre>\n<p><strong>\u53c2\u6570\uff1a<\/strong><\/p>\n<ul>\n<li><code>$number<\/code>\uff1a\u8981\u5411\u4e0a\u53d6\u6574\u7684\u6570\u5b57<\/li>\n<\/ul>\n<p><strong>\u5b9e\u6218\u6848\u4f8b\uff1a<\/strong><\/p>\n<p>\u5411\u4e0a\u53d6\u6574\u6570\u5b57 3.14\uff1a<\/p>\n<pre>$rounded_number = ceil(3.14); \/\/ \u8f93\u51fa\uff1a4<\/pre>\n<h3>3. floor()<\/h3>\n<p><code>floor()<\/code> \u51fd\u6570\u5bf9\u6570\u5b57\u5411\u4e0b\u53d6\u6574\uff0c\u8fd4\u56de\u5c0f\u4e8e\u6216\u7b49\u4e8e\u8be5\u6570\u5b57\u7684\u6700\u63a5\u8fd1\u7684\u6574\u6570\u3002<\/p>\n<p><strong>\u8bed\u6cd5\uff1a<\/strong><\/p>\n<pre>floor($number)<\/pre>\n<p><strong>\u53c2\u6570\uff1a<\/strong><\/p>\n<ul>\n<li><code>$number<\/code>\uff1a\u8981\u5411\u4e0b\u53d6\u6574\u7684\u6570\u5b57<\/li>\n<\/ul>\n<p><strong>\u5b9e\u6218\u6848\u4f8b\uff1a<\/strong><\/p>\n<p>\u5411\u4e0b\u53d6\u6574\u6570\u5b57 3.14\uff1a<\/p>\n<pre>$rounded_number = floor(3.14); \/\/ \u8f93\u51fa\uff1a3<\/pre>\n<h3>4. abs()<\/h3>\n<p><code>abs()<\/code> \u51fd\u6570\u8fd4\u56de\u6570\u5b57\u7684\u7edd\u5bf9\u503c\uff08\u975e\u8d1f\u503c\uff09\u3002<\/p>\n<p><strong>\u8bed\u6cd5\uff1a<\/strong><\/p>\n<pre>abs($number)<\/pre>\n<p><strong>\u53c2\u6570\uff1a<\/strong><\/p>\n<ul>\n<li><code>$number<\/code>\uff1a\u8981\u53d6\u7edd\u5bf9\u503c\u7684\u6570\u5b57<\/li>\n<\/ul>\n<p><strong>\u5b9e\u6218\u6848\u4f8b\uff1a<\/strong><\/p>\n<p>\u83b7\u53d6 -3.14 \u7684\u7edd\u5bf9\u503c\uff1a<\/p>\n<pre>$absolute_value = abs(-3.14); \/\/ \u8f93\u51fa\uff1a3.14<\/pre>\n<h3>5. min() \u548c max()<\/h3>\n<p><code>min()<\/code> \u548c <code>max()<\/code> \u51fd\u6570\u5206\u522b\u8fd4\u56de\u6570\u7ec4\u6216\u4e00\u7ec4\u6570\u5b57\u4e2d\u7684\u6700\u5c0f\u503c\u548c\u6700\u5927\u503c\u3002<\/p>\n<p><strong>\u8bed\u6cd5\uff1a<\/strong><\/p>\n<pre>min($array_or_numbers)\nmax($array_or_numbers)<\/pre>\n<p><strong>\u53c2\u6570\uff1a<\/strong><\/p>\n<ul>\n<li><code>$array_or_numbers<\/code>\uff1a\u8981\u67e5\u627e\u6700\u5c0f\u6216\u6700\u5927\u503c\u7684\u6570\u7ec4\u6216\u6570\u5b57\u5217\u8868<\/li>\n<\/ul>\n<p><strong>\u5b9e\u6218\u6848\u4f8b\uff1a<\/strong><\/p>\n<p>\u67e5\u627e\u6570\u7ec4 [1, 3, 5, 7, 9] \u4e2d\u7684\u6700\u5c0f\u503c\u548c\u6700\u5927\u503c\uff1a<\/p>\n<pre>$min_value = min([1, 3, 5, 7, 9]); \/\/ \u8f93\u51fa\uff1a1\n$max_value = max([1, 3, 5, 7, 9]); \/\/ \u8f93\u51fa\uff1a9<\/pre>\n<p>\u6587\u4e2d\u5173\u4e8ephp,\u6570\u5b66\u51fd\u6570\u7684\u77e5\u8bc6\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u4f60\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff01\u82e5\u662f\u53d7\u76ca\u532a\u6d45\uff0c\u90a3\u5c31\u52a8\u52a8\u9f20\u6807\u6536\u85cf\u8fd9\u7bc7\u300aPHP\u51fd\u6570\u9762\u8bd5\u5fc5\u5907\u77e5\u8bc6\u70b9\uff0c\u89e3\u6790\u6570\u5b66\u51fd\u6570\u7684\u5f3a\u5927\u529f\u80fd\u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PHP\u51fd\u6570\u9762\u8bd5\u5fc5\u5907\u77e5\u8bc6\u70b9\uff0c\u89e3\u6790\u6570\u5b66\u51fd\u6570\u7684\u5f3a\u5927\u529f\u80fd \u6700\u8fd1\u53d1\u73b0\u4e0d\u5c11\u5c0f\u4f19\u4f34\u90fd\u5bf9\u6587\u7ae0\u5f88\u611f\u5174\u8da3\uff0c\u6240\u4ee5\u4eca\u5929\u7ee7\u7eed\u7ed9\u5927\u5bb6\u4ecb\u7ecd\u6587\u7ae0\u76f8\u5173\u7684\u77e5\u8bc6\uff0c\u672c\u6587\u300aPHP\u51fd\u6570\u9762\u8bd5\u5fc5\u5907\u77e5\u8bc6\u70b9\uff0c\u89e3\u6790\u6570\u5b66\u51fd\u6570\u7684\u5f3a\u5927\u529f\u80fd\u300b\u4e3b\u8981\u5185\u5bb9\u6d89\u53ca\u5230\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u80fd\u5e2e\u5230\u4f60\uff01\u5f53\u7136\u5982\u679c\u9605\u8bfb\u672c\u6587\u65f6\u5b58\u5728\u4e0d\u540c\u60f3\u6cd5\uff0c\u53ef\u4ee5\u5728\u8bc4\u8bba\u4e2d\u8868\u8fbe\uff0c\u4f46\u662f\u8bf7\u52ff\u4f7f\u7528\u8fc7\u6fc0\u7684\u63aa\u8f9e~ PHP \u63d0\u4f9b\u5f3a\u5927\u7684\u6570\u5b66\u51fd\u6570\u6765\u89e3\u6790\u6570\u5b66\u8fd0\u7b97\u30021. round() \u51fd\u6570\u56db\u820d\u4e94\u5165\u6570\u5b57\u30022. ceil() \u51fd\u6570\u5411\u4e0a\u53d6\u6574\u6570\u5b57\u30023. floor() \u51fd\u6570\u5411\u4e0b\u53d6\u6574\u6570\u5b57\u30024. abs() \u51fd\u6570\u8fd4\u56de\u6570\u5b57\u7684\u7edd\u5bf9\u503c\u30025. min() \u548c max() \u51fd\u6570\u5206\u522b\u8fd4\u56de\u6700\u5c0f\u503c\u548c\u6700\u5927\u503c\u3002 PHP \u51fd\u6570\u9762\u8bd5\u5fc5\u5907\u77e5\u8bc6\u70b9\uff1a\u89e3\u6790\u6570\u5b66\u51fd\u6570\u7684\u5f3a\u5927\u529f\u80fd 1. round() round() \u51fd\u6570\u5c06\u6570\u5b57\u56db\u820d\u4e94\u5165\u5230\u6700\u63a5\u8fd1\u7684\u6574\u6570\u3002 \u8bed\u6cd5\uff1a round($number, $precision = 0) \u53c2\u6570\uff1a $number\uff1a\u8981\u56db\u820d\u4e94\u5165\u7684\u6570\u5b57 $precision\uff1a\u56db\u820d\u4e94\u5165\u540e\u7684\u7cbe\u5ea6\uff08\u53ef\u9009\uff0c\u9ed8\u8ba4\u4e3a 0\uff09 \u5b9e\u6218\u6848\u4f8b\uff1a \u56db\u820d\u4e94\u5165\u6570\u5b57 3.14 \u5230\u6700\u63a5\u8fd1\u7684\u6574\u6570\uff1a $rounded_number = round(3.14); \/\/ \u8f93\u51fa\uff1a3 2. ceil() ceil() \u51fd\u6570\u5bf9\u6570\u5b57\u5411\u4e0a\u53d6\u6574\uff0c\u8fd4\u56de\u5927\u4e8e\u6216\u7b49\u4e8e\u8be5\u6570\u5b57\u7684\u6700\u63a5\u8fd1\u7684\u6574\u6570\u3002 \u8bed\u6cd5\uff1a ceil($number) \u53c2\u6570\uff1a $number\uff1a\u8981\u5411\u4e0a\u53d6\u6574\u7684\u6570\u5b57 \u5b9e\u6218\u6848\u4f8b\uff1a \u5411\u4e0a\u53d6\u6574\u6570\u5b57 3.14\uff1a $rounded_number = ceil(3.14); \/\/ [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-48051","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/48051","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=48051"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/48051\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=48051"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=48051"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=48051"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}