{"id":47687,"date":"2024-12-02T11:31:56","date_gmt":"2024-12-02T03:31:56","guid":{"rendered":"https:\/\/fwq.ai\/blog\/47687\/"},"modified":"2024-12-02T11:31:56","modified_gmt":"2024-12-02T03:31:56","slug":"php%e5%87%bd%e6%95%b0%e4%b8%ad%e5%bc%82%e5%b8%b8%e5%a4%84%e7%90%86%e7%9a%84%e5%8f%af%e7%94%a8%e6%80%a7%e8%8c%83%e5%9b%b4%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/47687\/","title":{"rendered":"PHP\u51fd\u6570\u4e2d\u5f02\u5e38\u5904\u7406\u7684\u53ef\u7528\u6027\u8303\u56f4\u662f\u4ec0\u4e48\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>PHP\u51fd\u6570\u4e2d\u5f02\u5e38\u5904\u7406\u7684\u53ef\u7528\u6027\u8303\u56f4\u662f\u4ec0\u4e48\uff1f<\/h1>\n<p>\u5077\u5077\u52aa\u529b\uff0c\u6084\u65e0\u58f0\u606f\u5730\u53d8\u5f3a\uff0c\u7136\u540e\u60ca\u8273\u6240\u6709\u4eba\uff01\u54c8\u54c8\uff0c\u5c0f\u4f19\u4f34\u4eec\u53c8\u6765\u5b66\u4e60\u5566~\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u4ecb\u7ecd<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aPHP\u51fd\u6570\u4e2d\u5f02\u5e38\u5904\u7406\u7684\u53ef\u7528\u6027\u8303\u56f4\u662f\u4ec0\u4e48\uff1f\u300b<\/span>\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4f1a\u8bb2\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u4e0d\u77e5\u9053\u5927\u5bb6\u5bf9\u5176\u90fd\u6709\u591a\u5c11\u4e86\u89e3\uff0c\u4e0b\u9762\u6211\u4eec\u5c31\u4e00\u8d77\u6765\u770b\u4e00\u5427\uff01\u5f53\u7136\uff0c\u975e\u5e38\u5e0c\u671b\u5927\u5bb6\u80fd\u591a\u591a\u8bc4\u8bba\uff0c\u7ed9\u51fa\u5408\u7406\u7684\u5efa\u8bae\uff0c\u6211\u4eec\u4e00\u8d77\u5b66\u4e60\uff0c\u4e00\u8d77\u8fdb\u6b65\uff01<\/p>\n<p>\u5f02\u5e38\u5904\u7406\u8303\u56f4\u4ec5\u9650\u4e8e\u51fd\u6570\u6267\u884c\u671f\u95f4\uff0c\u5f02\u5e38\u5411\u4e0a\u5192\u6ce1\u81f3\u8c03\u7528\u8005\u6216\u5904\u7406\u5b83\u7684\u51fd\u6570\u30021. try-catch \u8bed\u53e5\u7528\u4e8e\u5904\u7406\u5f02\u5e38\u30022. \u5f02\u5e38\u53ea\u80fd\u5728 try \u5757\u4e2d\u5f15\u53d1\u30023. catch \u5757\u4ec5\u5904\u7406\u5339\u914d\u5f02\u5e38\u7c7b\u578b\u7684\u5f02\u5e38\u30024. \u672a\u5904\u7406\u7684\u5f02\u5e38\u5c06\u5bfc\u81f4 Fatal error\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241026\/1729930505671ca50903b29.jpg\" class=\"aligncenter\" title=\"PHP\u51fd\u6570\u4e2d\u5f02\u5e38\u5904\u7406\u7684\u53ef\u7528\u6027\u8303\u56f4\u662f\u4ec0\u4e48\uff1f\u63d2\u56fe\" alt=\"PHP\u51fd\u6570\u4e2d\u5f02\u5e38\u5904\u7406\u7684\u53ef\u7528\u6027\u8303\u56f4\u662f\u4ec0\u4e48\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>PHP\u51fd\u6570\u4e2d\u7684\u5f02\u5e38\u5904\u7406\u8303\u56f4<\/strong><\/p>\n<p>\u5728PHP\u4e2d\uff0c\u5f02\u5e38\u5904\u7406\u7684\u53ef\u7528\u8303\u56f4\u4ec5\u9650\u4e8e\u5f53\u524d\u51fd\u6570\u6267\u884c\u671f\u95f4\u3002\u5f53\u53d1\u751f\u5f02\u5e38\u65f6\uff0c\u5b83\u4f1a\u5411\u4e0a\u5192\u6ce1\u5230\u5f53\u524d\u51fd\u6570\u7684\u8c03\u7528\u8005\u3002\u5982\u679c\u8c03\u7528\u8005\u6ca1\u6709\u5904\u7406\u5f02\u5e38\uff0c\u5b83\u5c06\u7ee7\u7eed\u5411\u4e0a\u5192\u6ce1\uff0c\u76f4\u5230\u5230\u8fbe\u4e3b\u51fd\u6570\uff08<code>main<\/code>\uff09\u6216\u5904\u7406\u4e86\u5f02\u5e38\u7684\u51fd\u6570\u3002<\/p>\n<p><strong>\u8bed\u6cd5<\/strong><\/p>\n<p><code>try-catch<\/code> \u8bed\u53e5\u7528\u4e8e\u5728\u51fd\u6570\u4e2d\u5904\u7406\u5f02\u5e38\uff1a<\/p>\n<pre>try {\n    \/\/ \u4ee3\u7801\u5757\u53ef\u80fd\u4f1a\u5f15\u53d1\u5f02\u5e38\n} catch (Exception $e) {\n    \/\/ \u5904\u7406\u5f02\u5e38\n}<\/pre>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p>\u4ee5\u4e0b\u793a\u4f8b\u6f14\u793a\u4e86\u5f02\u5e38\u5904\u7406\u5728\u51fd\u6570\u4e2d\u7684\u4f7f\u7528\uff1a<\/p>\n<pre>function divide($dividend, $divisor) {\n    try {\n        if ($divisor == 0) {\n            throw new Exception(\"\u9664\u6570\u4e0d\u80fd\u4e3a 0\");\n        }\n        return $dividend \/ $divisor;\n    } catch (Exception $e) {\n        echo \"\u5f02\u5e38\u4fe1\u606f\uff1a\" . $e-&gt;getMessage();\n    }\n}\n\n\/\/ \u8c03\u7528\u51fd\u6570\necho divide(10, 2);  \/\/ \u8f93\u51fa\uff1a5\necho divide(10, 0);  \/\/ \u8f93\u51fa\uff1a\u5f02\u5e38\u4fe1\u606f\uff1a\u9664\u6570\u4e0d\u80fd\u4e3a 0<\/pre>\n<p><strong>\u6ce8\u610f\uff1a<\/strong><\/p>\n<ul>\n<li>\u5f02\u5e38\u53ea\u80fd\u5728 <code>try<\/code> \u5757\u4e2d\u5f15\u53d1\u3002<\/li>\n<li><code>catch<\/code> \u5757\u53ea\u80fd\u5904\u7406\u4e0e\u5176\u7c7b\u578b\u548c\u7236\u7c7b\u578b\u5339\u914d\u7684\u5f02\u5e38\u3002<\/li>\n<li>\u5982\u679c\u5f02\u5e38\u672a\u88ab\u5904\u7406\uff0c\u5219\u5b83\u5c06\u5bfc\u81f4 <code>Fatal error<\/code> \u5e76\u7ec8\u6b62\u811a\u672c\u7684\u6267\u884c\u3002<\/li>\n<\/ul>\n<p>\u672c\u7bc7\u5173\u4e8e\u300aPHP\u51fd\u6570\u4e2d\u5f02\u5e38\u5904\u7406\u7684\u53ef\u7528\u6027\u8303\u56f4\u662f\u4ec0\u4e48\uff1f\u300b\u7684\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\u5566\uff0c\u4f46\u662f\u5b66\u65e0\u6b62\u5883\uff0c\u60f3\u8981\u4e86\u89e3\u5b66\u4e60\u66f4\u591a\u5173\u4e8e\u6587\u7ae0\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u8bf7\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PHP\u51fd\u6570\u4e2d\u5f02\u5e38\u5904\u7406\u7684\u53ef\u7528\u6027\u8303\u56f4\u662f\u4ec0\u4e48\uff1f \u5077\u5077\u52aa\u529b\uff0c\u6084\u65e0\u58f0\u606f\u5730\u53d8\u5f3a\uff0c\u7136\u540e\u60ca\u8273\u6240\u6709\u4eba\uff01\u54c8\u54c8\uff0c\u5c0f\u4f19\u4f34\u4eec\u53c8\u6765\u5b66\u4e60\u5566~\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u4ecb\u7ecd\u300aPHP\u51fd\u6570\u4e2d\u5f02\u5e38\u5904\u7406\u7684\u53ef\u7528\u6027\u8303\u56f4\u662f\u4ec0\u4e48\uff1f\u300b\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4f1a\u8bb2\u5230\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u4e0d\u77e5\u9053\u5927\u5bb6\u5bf9\u5176\u90fd\u6709\u591a\u5c11\u4e86\u89e3\uff0c\u4e0b\u9762\u6211\u4eec\u5c31\u4e00\u8d77\u6765\u770b\u4e00\u5427\uff01\u5f53\u7136\uff0c\u975e\u5e38\u5e0c\u671b\u5927\u5bb6\u80fd\u591a\u591a\u8bc4\u8bba\uff0c\u7ed9\u51fa\u5408\u7406\u7684\u5efa\u8bae\uff0c\u6211\u4eec\u4e00\u8d77\u5b66\u4e60\uff0c\u4e00\u8d77\u8fdb\u6b65\uff01 \u5f02\u5e38\u5904\u7406\u8303\u56f4\u4ec5\u9650\u4e8e\u51fd\u6570\u6267\u884c\u671f\u95f4\uff0c\u5f02\u5e38\u5411\u4e0a\u5192\u6ce1\u81f3\u8c03\u7528\u8005\u6216\u5904\u7406\u5b83\u7684\u51fd\u6570\u30021. try-catch \u8bed\u53e5\u7528\u4e8e\u5904\u7406\u5f02\u5e38\u30022. \u5f02\u5e38\u53ea\u80fd\u5728 try \u5757\u4e2d\u5f15\u53d1\u30023. catch \u5757\u4ec5\u5904\u7406\u5339\u914d\u5f02\u5e38\u7c7b\u578b\u7684\u5f02\u5e38\u30024. \u672a\u5904\u7406\u7684\u5f02\u5e38\u5c06\u5bfc\u81f4 Fatal error\u3002 PHP\u51fd\u6570\u4e2d\u7684\u5f02\u5e38\u5904\u7406\u8303\u56f4 \u5728PHP\u4e2d\uff0c\u5f02\u5e38\u5904\u7406\u7684\u53ef\u7528\u8303\u56f4\u4ec5\u9650\u4e8e\u5f53\u524d\u51fd\u6570\u6267\u884c\u671f\u95f4\u3002\u5f53\u53d1\u751f\u5f02\u5e38\u65f6\uff0c\u5b83\u4f1a\u5411\u4e0a\u5192\u6ce1\u5230\u5f53\u524d\u51fd\u6570\u7684\u8c03\u7528\u8005\u3002\u5982\u679c\u8c03\u7528\u8005\u6ca1\u6709\u5904\u7406\u5f02\u5e38\uff0c\u5b83\u5c06\u7ee7\u7eed\u5411\u4e0a\u5192\u6ce1\uff0c\u76f4\u5230\u5230\u8fbe\u4e3b\u51fd\u6570\uff08main\uff09\u6216\u5904\u7406\u4e86\u5f02\u5e38\u7684\u51fd\u6570\u3002 \u8bed\u6cd5 try-catch \u8bed\u53e5\u7528\u4e8e\u5728\u51fd\u6570\u4e2d\u5904\u7406\u5f02\u5e38\uff1a try { \/\/ \u4ee3\u7801\u5757\u53ef\u80fd\u4f1a\u5f15\u53d1\u5f02\u5e38 } catch (Exception $e) { \/\/ \u5904\u7406\u5f02\u5e38 } \u5b9e\u6218\u6848\u4f8b \u4ee5\u4e0b\u793a\u4f8b\u6f14\u793a\u4e86\u5f02\u5e38\u5904\u7406\u5728\u51fd\u6570\u4e2d\u7684\u4f7f\u7528\uff1a function divide($dividend, $divisor) { try { if ($divisor == 0) { throw new Exception(&#8220;\u9664\u6570\u4e0d\u80fd\u4e3a 0&#8221;); } return $dividend \/ $divisor; } catch (Exception [&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-47687","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47687","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=47687"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47687\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=47687"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=47687"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=47687"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}