{"id":200654,"date":"2025-05-06T12:23:42","date_gmt":"2025-05-06T04:23:42","guid":{"rendered":"https:\/\/server.hk\/cnblog\/200654\/"},"modified":"2025-05-06T12:23:42","modified_gmt":"2025-05-06T04:23:42","slug":"php-8-0-%e4%b8%ad-%e6%8a%91%e6%ad%a2%e7%ac%a6%e5%a4%b1%e6%95%88%ef%bc%8c%e5%a6%82%e4%bd%95%e5%a4%84%e7%90%86%e8%87%b4%e5%91%bd%e9%94%99%e8%af%af%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/200654\/","title":{"rendered":"PHP 8.0 \u4e2d @ \u6291\u6b62\u7b26\u5931\u6548\uff0c\u5982\u4f55\u5904\u7406\u81f4\u547d\u9519\u8bef\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>PHP 8.0 \u4e2d @ \u6291\u6b62\u7b26\u5931\u6548\uff0c\u5982\u4f55\u5904\u7406\u81f4\u547d\u9519\u8bef\uff1f<\/h1>\n<p>\u6765\u5230\u4e3b\u673a\u5b9d\u8d1d\u7684\u5927\u5bb6\uff0c\u76f8\u4fe1\u90fd\u662f\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5e0c\u671b\u5728\u8fd9\u91cc\u5b66\u4e60\u6570\u636e\u5e93\u76f8\u5173\u7f16\u7a0b\u77e5\u8bc6\u3002\u4e0b\u9762\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u5e26\u5927\u5bb6\u804a\u804a\u300aPHP 8.0 \u4e2d @ \u6291\u6b62\u7b26\u5931\u6548\uff0c\u5982\u4f55\u5904\u7406\u81f4\u547d\u9519\u8bef\uff1f\u300b\uff0c\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241110\/17312416756730a6cbf10c1.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u9690\u533f\u9519\u8bef\u4fe1\u606f\u65e0\u6548\uff1f<\/strong><\/p>\n<p>\u4f60\u5728\u4f7f\u7528 if \u8bed\u53e5\u6765\u8fde\u63a5\u6570\u636e\u5e93\uff0c\u5e76\u5728\u8f93\u5165\u9519\u8bef\u767b\u5f55\u4fe1\u606f\u65f6\u5e0c\u671b\u770b\u5230 if \u8bed\u53e5\u4e2d\u7684\u9519\u8bef\u4fe1\u606f\u3002\u7136\u800c\uff0c\u7cfb\u7edf\u5374\u62a5\u544a\u4e86\u4e00\u4e2a\u81f4\u547d\u9519\u8bef\uff0c\u8ba9\u4f60\u6000\u7591\u914d\u7f6e\u6587\u4ef6\u7684\u95ee\u9898\u6216\u5176\u4ed6\u672a\u77e5\u56e0\u7d20\u3002<\/p>\n<p><strong>\u539f\u56e0\u89e3\u60d1\uff1a<\/strong><\/p>\n<p>\u4ece php 8.0 \u7248\u672c\u5f00\u59cb\uff0c@ \u6291\u6b62\u7b26\u4e0d\u518d\u6709\u6548\u6291\u5236\u81f4\u547d\u7ea7\u522b\u7684\u9519\u8bef\u3002\u8fd9\u610f\u5473\u7740\u4e00\u65e6\u53d1\u751f\u81f4\u547d\u9519\u8bef\uff0c\u5373\u4f7f\u4f7f\u7528 @ \u4e5f\u65e0\u6cd5\u963b\u6b62\u5176\u663e\u793a\u3002<\/p>\n<p><strong>\u89e3\u51b3\u529e\u6cd5\uff1a<\/strong><\/p>\n<p>\u4e3a\u4e86\u4ec5\u5728\u9519\u8bef\u53d1\u751f\u65f6\u663e\u793a if \u8bed\u53e5\u4e2d\u7684\u9519\u8bef\u4fe1\u606f\uff0c\u4f60\u9700\u8981\u4f7f\u7528 <strong>try-catch<\/strong> \u8bed\u53e5\u3002\u8be5\u8bed\u53e5\u5141\u8bb8\u4f60\u6355\u83b7\u7279\u5b9a\u7c7b\u578b\u7684\u5f02\u5e38\uff08\u4f8b\u5982\u6570\u636e\u5e93\u8fde\u63a5\u9519\u8bef\uff09\uff0c\u5e76\u63d0\u4f9b\u81ea\u5b9a\u4e49\u9519\u8bef\u5904\u7406\u903b\u8f91\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>try {\n    \/\/ \u6570\u636e\u5e93\u8fde\u63a5\u4ee3\u7801\n} catch (PDOException $e) {\n    echo $e-&gt;getMessage(); \/\/ \u663e\u793a\u81ea\u5b9a\u4e49\u9519\u8bef\u4fe1\u606f\n}<\/pre>\n<p>\u7406\u8bba\u8981\u638c\u63e1\uff0c\u5b9e\u64cd\u4e0d\u80fd\u843d\uff01\u4ee5\u4e0a\u5173\u4e8e\u300aPHP 8.0 \u4e2d @ \u6291\u6b62\u7b26\u5931\u6548\uff0c\u5982\u4f55\u5904\u7406\u81f4\u547d\u9519\u8bef\uff1f\u300b\u7684\u8be6\u7ec6\u4ecb\u7ecd\uff0c\u5927\u5bb6\u90fd\u638c\u63e1\u4e86\u5427\uff01\u5982\u679c\u60f3\u8981\u7ee7\u7eed\u63d0\u5347\u81ea\u5df1\u7684\u80fd\u529b\uff0c\u90a3\u4e48\u5c31\u6765\u5173\u6ce8\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\u5427\uff01<\/p>\n<dl>\n<dt>\n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>PHP 8.0 \u4e2d @ \u6291\u6b62\u7b26\u5931&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-200654","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200654","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=200654"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200654\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=200654"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=200654"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=200654"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}