{"id":217838,"date":"2023-12-23T01:06:34","date_gmt":"2023-12-22T17:06:34","guid":{"rendered":"https:\/\/www.idc.net\/help\/217838\/"},"modified":"2023-12-23T01:06:34","modified_gmt":"2023-12-22T17:06:34","slug":"php%e5%87%bd%e6%95%b0%ef%bc%9ajson_last_error","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/217838\/","title":{"rendered":"PHP\u51fd\u6570\uff1ajson_last_error"},"content":{"rendered":"<h1 id=\"php%e5%87%bd%e6%95%b0%ef%bc%9ajson_last_error-ZcIMFjdHGB\">PHP\u51fd\u6570\uff1ajson_last_error<\/h1>\n<p>\u5728PHP\u4e2d\uff0cjson_last_error\u51fd\u6570\u7528\u4e8e\u83b7\u53d6\u6700\u540e\u4e00\u6b21JSON\u7f16\u7801\u6216\u89e3\u7801\u64cd\u4f5c\u7684\u9519\u8bef\u4ee3\u7801\u3002\u5b83\u53ef\u4ee5\u5e2e\u52a9\u5f00\u53d1\u4eba\u5458\u5728\u5904\u7406JSON\u6570\u636e\u65f6\u5feb\u901f\u5b9a\u4f4d\u95ee\u9898\u5e76\u91c7\u53d6\u76f8\u5e94\u7684\u63aa\u65bd\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8%e6%96%b9%e6%b3%95-ZcIMFjdHGB\">\u4f7f\u7528\u65b9\u6cd5<\/h2>\n<p>json_last_error\u51fd\u6570\u6ca1\u6709\u4efb\u4f55\u53c2\u6570\uff0c\u76f4\u63a5\u8c03\u7528\u5373\u53ef\u3002\u5b83\u8fd4\u56de\u4e00\u4e2a\u6574\u6570\uff0c\u8868\u793a\u6700\u540e\u4e00\u6b21JSON\u64cd\u4f5c\u7684\u9519\u8bef\u4ee3\u7801\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u9519\u8bef\u4ee3\u7801\uff1a<\/p>\n<ul>\n<li>JSON_ERROR_NONE\uff1a\u6ca1\u6709\u9519\u8bef\u53d1\u751f\u3002<\/li>\n<li>JSON_ERROR_DEPTH\uff1a\u8fbe\u5230\u4e86\u6700\u5927\u5806\u6808\u6df1\u5ea6\u3002<\/li>\n<li>JSON_ERROR_STATE_MISMATCH\uff1a\u65e0\u6548\u6216\u5f02\u5e38\u7684JSON\u3002<\/li>\n<li>JSON_ERROR_CTRL_CHAR\uff1a\u63a7\u5236\u5b57\u7b26\u9519\u8bef\uff0c\u53ef\u80fd\u662f\u7f16\u7801\u95ee\u9898\u3002<\/li>\n<li>JSON_ERROR_SYNTAX\uff1a\u8bed\u6cd5\u9519\u8bef\u3002<\/li>\n<li>JSON_ERROR_UTF8\uff1a\u5f02\u5e38\u7684UTF-8\u5b57\u7b26\uff0c\u53ef\u80fd\u662f\u7f16\u7801\u95ee\u9898\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff0c\u6f14\u793a\u5982\u4f55\u4f7f\u7528json_last_error\u51fd\u6570\uff1a<\/p>\n<pre><code>&lt;?php\n$json = '{\"name\":\"John\",\"age\":30,\"city\":\"New York\"}';\n$data = json_decode($json);\n\nif (json_last_error() === JSON_ERROR_NONE) {\n    echo \"JSON\u89e3\u7801\u6210\u529f\uff01\";\n} else {\n    echo \"JSON\u89e3\u7801\u5931\u8d25\uff0c\u9519\u8bef\u4ee3\u7801\uff1a\" . json_last_error();\n}\n?&gt;<\/code><\/pre>\n<p>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u5b9a\u4e49\u4e86\u4e00\u4e2a\u5305\u542bJSON\u6570\u636e\u7684\u5b57\u7b26\u4e32\u3002\u7136\u540e\uff0c\u6211\u4eec\u4f7f\u7528json_decode\u51fd\u6570\u5c06\u5176\u89e3\u7801\u4e3aPHP\u5bf9\u8c61\u3002\u6700\u540e\uff0c\u6211\u4eec\u4f7f\u7528json_last_error\u51fd\u6570\u68c0\u67e5\u89e3\u7801\u8fc7\u7a0b\u4e2d\u662f\u5426\u53d1\u751f\u4e86\u9519\u8bef\u3002\u5982\u679c\u6ca1\u6709\u9519\u8bef\u53d1\u751f\uff0c\u6211\u4eec\u8f93\u51fa\"JSON\u89e3\u7801\u6210\u529f\uff01\"\uff0c\u5426\u5219\u8f93\u51fa\u9519\u8bef\u4ee3\u7801\u3002<\/p>\n<h2 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[&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-217838","post","type-post","status-publish","format-standard","hentry","category-php"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/217838","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=217838"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/217838\/revisions"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=217838"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=217838"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=217838"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}