{"id":217841,"date":"2023-12-23T01:09:21","date_gmt":"2023-12-22T17:09:21","guid":{"rendered":"https:\/\/www.idc.net\/help\/217841\/"},"modified":"2023-12-23T01:09:21","modified_gmt":"2023-12-22T17:09:21","slug":"php%e5%87%bd%e6%95%b0%ef%bc%9aceil","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/217841\/","title":{"rendered":"PHP\u51fd\u6570\uff1aceil"},"content":{"rendered":"<p><title id=\"php%e5%87%bd%e6%95%b0%ef%bc%9aceil-YvgrTjEUHZ\">PHP\u51fd\u6570\uff1aceil<\/title><\/p>\n<h1 id=\"php%e5%87%bd%e6%95%b0%ef%bc%9aceil-YvgrTjEUHZ\">PHP\u51fd\u6570\uff1aceil<\/h1>\n<p>\u5728PHP\u4e2d\uff0cceil()\u51fd\u6570\u7528\u4e8e\u5411\u4e0a\u53d6\u6574\u3002\u5b83\u8fd4\u56de\u4e0d\u5c0f\u4e8e\u7ed9\u5b9a\u6570\u5b57\u7684\u6700\u5c0f\u6574\u6570\u503c\u3002<\/p>\n<h2 id=\"%e8%af%ad%e6%b3%95-YvgrTjEUHZ\">\u8bed\u6cd5<\/h2>\n<p>ceil(number $value): float<\/p>\n<h2 id=\"%e5%8f%82%e6%95%b0-YvgrTjEUHZ\">\u53c2\u6570<\/h2>\n<p>ceil()\u51fd\u6570\u63a5\u53d7\u4e00\u4e2a\u53c2\u6570\uff1a<\/p>\n<ul>\n<li>$value\uff1a\u8981\u8fdb\u884c\u5411\u4e0a\u53d6\u6574\u7684\u6570\u5b57\u3002<\/li>\n<\/ul>\n<h2 id=\"%e8%bf%94%e5%9b%9e%e5%80%bc-YvgrTjEUHZ\">\u8fd4\u56de\u503c<\/h2>\n<p>ceil()\u51fd\u6570\u8fd4\u56de\u4e00\u4e2a\u5927\u4e8e\u6216\u7b49\u4e8e$value\u7684\u6700\u5c0f\u6574\u6570\u503c\u3002\u8fd4\u56de\u503c\u7684\u7c7b\u578b\u4e3afloat\u3002<\/p>\n<h2 id=\"%e7%a4%ba%e4%be%8b-YvgrTjEUHZ\">\u793a\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u4f7f\u7528ceil()\u51fd\u6570\u7684\u793a\u4f8b\uff1a<\/p>\n<h3 id=\"%e7%a4%ba%e4%be%8b1-YvgrTjEUHZ\">\u793a\u4f8b1<\/h3>\n<p>```php<br \/>\n$num1 = 4.3;<br \/>\n$result1 = ceil($num1);<br \/>\necho $result1; \/\/ \u8f93\u51fa5<br \/>\n```<\/p>\n<h3 id=\"%e7%a4%ba%e4%be%8b2-YvgrTjEUHZ\">\u793a\u4f8b2<\/h3>\n<p>```php<br \/>\n$num2 = -7.8;<br \/>\n$result2 = ceil($num2);<br \/>\necho $result2; \/\/ \u8f93\u51fa-7<br \/>\n```<\/p>\n<h3 id=\"%e7%a4%ba%e4%be%8b3-YvgrTjEUHZ\">\u793a\u4f8b3<\/h3>\n<p>```php<br \/>\n$num3 = 9.0;<br \/>\n$result3 = ceil($num3);<br \/>\necho $result3; \/\/ \u8f93\u51fa9<br \/>\n```<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a1%b9-YvgrTjEUHZ\">\u6ce8\u610f\u4e8b\u9879<\/h2>\n<p>ceil()\u51fd\u6570\u53ea\u80fd\u7528\u4e8e\u5904\u7406\u6570\u5b57\u7c7b\u578b\u7684\u6570\u636e\u3002\u5982\u679c\u4f20\u5165\u7684\u53c2\u6570\u4e0d\u662f\u6570\u5b57\uff0cceil()\u51fd\u6570\u5c06\u8fd4\u56defalse\u3002<\/p>\n<p>\u6b64\u5916\uff0cceil()\u51fd\u6570\u5bf9\u4e8e\u6574\u6570\u503c\u4e0d\u4f1a\u6709\u4efb\u4f55\u5f71\u54cd\uff0c\u5b83\u53ea\u4f1a\u5c06\u5c0f\u6570\u503c\u5411\u4e0a\u53d6\u6574\u3002<\/p>\n<h2 id=\"%e7%bb%93%e8%ae%ba-YvgrTjEUHZ\">\u7ed3\u8bba<\/h2>\n<p>ceil()\u51fd\u6570\u662fPHP\u4e2d\u4e00\u4e2a\u975e\u5e38\u6709\u7528\u7684\u51fd\u6570\uff0c\u5b83\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u5bf9\u6570\u5b57\u8fdb\u884c\u5411\u4e0a\u53d6\u6574\u3002\u65e0\u8bba\u662f\u5904\u7406\u91d1\u878d\u6570\u636e\u3001\u8ba1\u7b97\u5206\u6570\u8fd8\u662f\u8fdb\u884c\u6570\u636e\u5206\u6790\uff0cceil()\u51fd\u6570\u90fd\u80fd\u63d0\u4f9b\u4fbf\u5229\u3002<\/p>\n<h2 id=\"%e9%a6%99%e6%b8%af%e6%9c%8d%e5%8a%a1%e5%99%a8%e9%a6%96%e9%80%89%e5%90%8e%e6%b5%aa%e4%ba%91-YvgrTjEUHZ\">\u9999\u6e2f\u670d\u52a1\u5668\u9996\u9009\u540e\u6d6a\u4e91<\/h2>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5bfb\u627e\u53ef\u9760\u7684\u9999\u6e2f\u670d\u52a1\u5668\u63d0\u4f9b\u5546\uff0c\u540e\u6d6a\u4e91\u662f\u60a8\u7684\u9996\u9009\u3002\u6211\u4eec\u63d0\u4f9b\u9ad8\u6027\u80fd\u7684\u9999\u6e2f\u670d\u52a1\u5668\uff0c\u786e\u4fdd\u60a8\u7684\u7f51\u7ad9\u548c\u5e94\u7528\u7a0b\u5e8f\u80fd\u591f\u5feb\u901f\u54cd\u5e94\u5e76\u63d0\u4f9b\u5353\u8d8a\u7684\u7528\u6237\u4f53\u9a8c\u3002\u8bf7\u8bbf\u95ee\u6211\u4eec\u7684<a href=\"https:\/\/idc.net\">\u5b98\u7f51<\/a>\u4e86\u89e3\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PHP\u51fd\u6570\uff1aceil PHP\u51fd\u6570\uff1aceil \u5728PHP\u4e2d\uff0cceil()\u51fd\u6570\u7528\u4e8e\u5411\u4e0a\u53d6\u6574\u3002\u5b83\u8fd4\u56de\u4e0d\u5c0f\u4e8e\u7ed9\u5b9a\u6570\u5b57\u7684\u6700 [&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-217841","post","type-post","status-publish","format-standard","hentry","category-php"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/217841","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=217841"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/217841\/revisions"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=217841"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=217841"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=217841"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}