debug_backtrace() \u5e38\u7528\u5728\u9664\u932f\u53ef\u4ee5\u770b\u5230\u57f7\u884c\u7684\u6b77\u7a0b\uff0c\u4e5f\u53ef\u4ee5\u7528\u5728\u767c\u751f\u932f\u8aa4\u6642\u5beb\u5165\u4f60\u7684error_log\u3002<\/p>\n\n\n
class ck {\n\tprivate $budget;\/\/\u9810\u7b97\n \tprivate $buy_status = false;\/\/\u83dc\u8cb7\u4e86\u55ce\uff1f\n \tprivate $preapare_status = false;\/\/\u5099\u597d\u83dc\u4e86\u55ce\uff1f\n \tprivate $cooking_tatus = false;\/\/\u716e\u597d\u83dc\u4e86\u55ce\uff1f\n \tprivate function buy(){ \/\/\u6700\u5c11\u8981\u6709500\u584a\u624d\u5920\u8cb7\u83dc\n\t\treturn $this->buy_status = $this->budget > 500 ? true : false;\n\t}\n\tprivate function preapare(){ \/\/\u5099\u6599 \u8981\u5148\u8cb7\u597d\u83dc\u624d\u80fd\u5920\u6d17\u83dc \u5207\u83dc \u505a\u5099\u6599\u7684\u52d5\u4f5c\n\t\treturn $this->preapare_status = $this->buy_status ? true : false;\n\t}\n\tprivate function cooking(){ \/\/\u716e\u98ef \u8981\u5148\u5099\u6599\u597d\u624d\u80fd\u5920\u716e\n\t\treturn $this->cooking_tatus = $this->preapare_status ? true : false;\n\t}\n\tpublic function serve($budget){ \/\/\u4e0a\u83dc \u4f60\u53ea\u80fd\u547c\u53eb\u9019\u500b \u56e0\u70ba\u5b83\u662f\u516c\u958b\u7684\u65b9\u6cd5 \u5176\u5b83\u7684\u90fd\u4e0d\u5141\u8a31 \u5728\u985e\u5225\u4e4b\u5916\u547c\u53eb \u9054\u5230\u4fdd\u8b77\u8cc7\u6599\u78ba\u4fdd\u6d41\u7a0b\u6b63\u78ba\n\t\t$this->budget = $budget;\n\t\techo '<br>'.( $this->buy() ? '\u8cb7\u597d\u83dc\u4e86' : '\u4e0d\u5920\u9322');\n\t\techo '<br>'.( $this->preapare() ? '\u5099\u597d\u83dc\u4e86' : '\u9084\u6c92\u8cb7\u83dc');\n\t\techo '<br>'.( $this->cooking() ? '\u716e\u597d\u83dc\u4e86' : '\u9084\u6c92\u5099\u83dc');\n\t\techo '<br>'.( $this->cooking_tatus ? '\u4e0a\u83dc\u56c9\uff01' : '\u9084\u6c92\u716e\u597d\u54e6\uff01');\n\t\tvar_dump(debug_backtrace());\n\t}\n}\n\/\/\u5c01\u88dd\u7684\u597d\u8655 \u4e0a\u83dc\u7684\u9806\u5e8f \u62ff\u9322 \u8cb7\u83dc \u5099\u83dc \u716e\u83dc \u6700\u5f8c\u624d\u80fd\u4e0a\u83dc\n$c = new ck();\n$c->serve(600);\/\/\u6211\u5011\u53ea\u8981\u547c\u53eb\u4e0a\u83dc \u8ddf \u7d66\u9322 \u524d\u7f6e\u4f5c\u696d\u7684\u7d30\u7bc0\u8ddf\u6d41\u7a0b\u4e0d\u7528\u7ba1\u4ed6\uff0c\u5361\u5728\u90a3\u500b\u968e\u6bb5\u4e5f\u6703\u8ddf\u4f60\u8aaa\u660e\necho '<br>';\n\/\/\u986f\u793a\u7d50\u679c\n\/*\n\u8cb7\u597d\u83dc\u4e86\n\u5099\u597d\u83dc\u4e86\n\u716e\u597d\u83dc\u4e86\n\u4e0a\u83dc\u56c9\uff01\n [0]=>\n array(7) {\n [\"file\"]=>\n string(44) \"\/var\/www\/html\/webteach.tw\/abc\/def\/test.php\"\n [\"line\"]=>\n int(32)\n [\"function\"]=>\n string(5) \"serve\"\n [\"class\"]=>\n string(2) \"ck\"\n [\"object\"]=>\n object(ck)#1 (4) {\n [\"budget\":\"ck\":private]=>\n int(600)\n [\"buy_status\":\"ck\":private]=>\n bool(true)\n [\"preapare_status\":\"ck\":private]=>\n bool(true)\n [\"cooking_tatus\":\"ck\":private]=>\n bool(true)\n }\n [\"type\"]=>\n string(2) \"->\"\n [\"args\"]=>\n array(1) {\n [0]=>\n int(600)\n }\n }\n}\n*\/<\/pre>\n","protected":false},"excerpt":{"rendered":"debug_backtrace() \u5e38\u7528\u5728\u9664\u932f\u53ef\u4ee5\u770b\u5230\u57f7\u884c\u7684\u6b77\u7a0b\uff0c\u4e5f\u53ef\u4ee5\u7528\u5728\u767c\u751f\u932f\u8aa4\u6642\u5beb\u5165\u4f60\u7684error_log\u3002<\/p>\n","protected":false},"author":1,"featured_media":2201,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[36],"tags":[],"class_list":["post-3957","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-php","hvn-theme-has-thumbnail"],"_links":{"self":[{"href":"https:\/\/www.webteach.tw\/index.php?rest_route=\/wp\/v2\/posts\/3957","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.webteach.tw\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.webteach.tw\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.webteach.tw\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.webteach.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3957"}],"version-history":[{"count":0,"href":"https:\/\/www.webteach.tw\/index.php?rest_route=\/wp\/v2\/posts\/3957\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.webteach.tw\/index.php?rest_route=\/wp\/v2\/media\/2201"}],"wp:attachment":[{"href":"https:\/\/www.webteach.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3957"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.webteach.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3957"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.webteach.tw\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3957"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}