{"id":30827,"date":"2024-02-08T20:38:57","date_gmt":"2023-10-05T02:11:54","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/php%e7%9a%84%e6%a0%87%e9%87%8f%e7%b1%bb%e5%9e%8b\/"},"modified":"2025-08-12T20:59:42","modified_gmt":"2025-08-12T12:59:42","slug":"php%e7%9a%84%e6%a0%87%e9%87%8f%e7%b1%bb%e5%9e%8b","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/php%e7%9a%84%e6%a0%87%e9%87%8f%e7%b1%bb%e5%9e%8b\/","title":{"rendered":"PHP\u7684\u6807\u91cf\u7c7b\u578b"},"content":{"rendered":"<p>\u665a\u4e0a\u597d\u3002<\/p>\n<p>\u6211\u662f\u5728\u672a\u6765\u7535\u5b50\u6280\u672f\u5b9e\u4e60\u7684\u4eba\u3002<\/p>\n<p>\u5728\u6211\u5b66\u4e60PHP\u7684\u8fc7\u7a0b\u4e2d\uff0c\u6211\u8ba4\u4e3a\u9700\u8981\u6ce8\u610f\u7684\u4e8b\u9879\u5982\u4e0b\u3002<\/p>\n<h2>\u5728PHP\u4e2d\u9700\u8981\u6ce8\u610f\u7684\u4e8b\u9879<\/h2>\n<p>\u5728PHP\u4e2d\u9700\u8981\u6ce8\u610f\u7684\u662f\u6807\u91cf\u7c7b\u578b\u3002\u6807\u91cf\u7c7b\u578b\u662f\u7f16\u7a0b\u8bed\u8a00\u4e2d\u7684\u4e00\u79cd\u6570\u636e\u7c7b\u578b\uff0c\u5728PHP\u4e2d\u5305\u62ec\u4e86\u5e03\u5c14\u503c(boolean)\u3001\u6574\u6570(integer)\u3001\u6d6e\u70b9\u6570(float, double)\u548c\u5b57\u7b26\u4e32(string)\u8fd9\u56db\u79cd\u7c7b\u578b\u3002\u5728C\u8bed\u8a00\u4e2d\uff0c\u58f0\u660e\u53d8\u91cf\u65f6\u5fc5\u987b\u786e\u5b9a\u5176\u7c7b\u578b\uff0c\u4f46\u5728PHP\u4e2d\uff0c\u53d8\u91cf\u7684\u7c7b\u578b\u53d6\u51b3\u4e8e\u5176\u4e0a\u4e0b\u6587\u3002\u4e0b\u9762\u5c06\u4ecb\u7ecdC\u8bed\u8a00\u548cPHP\u7684\u793a\u4f8b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kt\">int<\/span> <span class=\"n\">x<\/span><span class=\"p\">;<\/span>\r\n<span class=\"n\">x<\/span><span class=\"o\">=<\/span><span class=\"mi\">9<\/span><span class=\"o\">\/<\/span><span class=\"mi\">2<\/span><span class=\"p\">;<\/span>  <span class=\"c1\">\/\/a=4\u306b\u306a\u308b<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"nv\">$x<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">9<\/span><span class=\"o\">\/<\/span><span class=\"mi\">2<\/span><span class=\"p\">;<\/span>  <span class=\"c1\">\/\/x=4.5\u306b\u306a\u308b<\/span>\r\n<\/code><\/pre>\n<p>\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u6709\u4e00\u4ef6\u9700\u8981\u6ce8\u610f\u7684\u4e8b\u60c5\u3002\u90a3\u5c31\u662f\u5728\u4f7f\u7528PHP\u8fdb\u884c\u9664\u6cd5\u8fd0\u7b97\u65f6\uff0c\u5373\u4f7f\u662f\u60f3\u8981\u83b7\u5f97\u6574\u6570\u503c\uff0c\u7ed3\u679c\u4e5f\u4f1a\u81ea\u52a8\u8f6c\u6362\u4e3a\u6d6e\u70b9\u6570\u3002\u5982\u679c\u60f3\u8981\u5728PHP\u4e2d\u8fdb\u884c\u9664\u6cd5\u8fd0\u7b97\u5e76\u5f97\u5230\u6574\u6570\u503c\uff0c\u53ef\u4ee5\u4f7f\u7528intval()\u51fd\u6570\u3002\u8be5\u51fd\u6570\u7528\u4e8e\u5c06\u6307\u5b9a\u7684\u53d8\u91cf\u8f6c\u6362\u4e3a\u6574\u6570\u7c7b\u578b\u5e76\u83b7\u53d6\u5176\u503c\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$x<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">intval<\/span><span class=\"p\">(<\/span><span class=\"mi\">9<\/span><span class=\"o\">\/<\/span><span class=\"mi\">2<\/span><span class=\"p\">);<\/span>  <span class=\"c1\">\/\/x=4\u306b\u306a\u308b<\/span>\r\n<\/code><\/pre>\n<p>\u4e0d\u4e86\u89e3\u9019\u4e00\u9ede\u6703\u5c0e\u81f4\u932f\u8aa4\u3002\u4e8b\u5be6\u4e0a\uff0c\u4f5c\u70ba\u4e00\u500b\u7a0b\u5f0f\u8a2d\u8a08\u521d\u5b78\u8005\uff0c\u6211\u5728\u9019\u500b\u90e8\u5206\u9047\u5230\u4e86\u932f\u8aa4\uff0c\u82e6\u82e6\u6323\u624e\u4e86\u6578\u5c0f\u6642\u3002<\/p>\n<h2>\u603b\u7ed3<\/h2>\n<p>\u6211\u662f\u4e00\u4e2a\u521d\u5b66\u8005\uff0c\u6240\u4ee5\u5185\u5bb9\u53ef\u80fd\u6709\u9519\u8bef\u7684\u5730\u65b9\u3002<br \/>\n\u5982\u679c\u6709\u9519\u8bef\u7684\u8bdd\uff0c\u8bf7\u5927\u5bb6\u6307\u51fa\u6765\uff0c\u6211\u4f1a\u5c3d\u5feb\u4fee\u6b63\u3002<\/p>\n<h4>\u5728\u4e2d\u6587\u4e2d\uff0c\u53ea\u9700\u8981\u4e00\u79cd\u9009\u9879\u6765\u6539\u5199\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/p>\n<p>\u5f15\u7528\u6587\u732e<\/h4><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u665a\u4e0a\u597d\u3002 \u6211\u662f\u5728\u672a\u6765\u7535\u5b50\u6280\u672f\u5b9e\u4e60\u7684\u4eba\u3002 \u5728\u6211\u5b66\u4e60PHP\u7684\u8fc7\u7a0b\u4e2d\uff0c\u6211\u8ba4\u4e3a\u9700\u8981\u6ce8\u610f\u7684\u4e8b\u9879\u5982\u4e0b\u3002 \u5728PHP\u4e2d\u9700\u8981\u6ce8\u610f [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-30827","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - 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