{"id":3946,"date":"2020-07-17T11:47:12","date_gmt":"2020-07-17T03:47:12","guid":{"rendered":"https:\/\/www.webteach.tw\/?p=3946"},"modified":"2020-07-17T11:47:12","modified_gmt":"2020-07-17T03:47:12","slug":"get_called_class","status":"publish","type":"post","link":"https:\/\/www.webteach.tw\/?p=3946","title":{"rendered":"[ PHP ] \u2013 OOP 13 get_called_class() \u53d6\u5f97\u662f\u90a3\u500b\u985e\u5225\u547c\u53eb\u7684 \u9664\u932f\u7528"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u518d\u4f86\u4ecb\u7d39 \u7269\u4ef6\u5c0e\u5411\u4e2d get_called_class() \u65b9\u6cd5\uff0c\u4e5f\u53ef\u4f7f\u7528 __<strong>CLASS__<\/strong>\uff1b\u4e3b\u8981\u662f\u62ff\u4f86\u9664\u932f\u6642\u4f7f\u7528\u3002<\/p>\n\n\n<pre class=\"wp-block-syntaxhighlighter-code\">\nclass computer {\n\tpublic static $num = 0;\n\tpublic static function add (){\n\t\techo 'Call From '.get_called_class().' ';\n\t\treturn self::$num+=1;\n\t}\n}\n\/\/\necho computer::$num.'&lt;br>';\/\/\u521d\u59cb\u503c\necho computer::add().'&lt;br>';\/\/\u7b2c\u4e00\u6b21\u547c\u53eb \u986f\u793a1\necho computer::add().'&lt;br>';\/\/\u7b2c\u4e8c\u6b21\u547c\u53eb \u986f\u793a2\necho computer::add().'&lt;br>';\/\/\u7b2c\u4e09\u6b21\u547c\u53eb \u986f\u793a3\nclass b extends computer {\n\tpublic static function add (){ \/\/\u8986\u5beb\u7236\u65b9\u6cd5\n\t\techo 'Call From '.get_called_class().' ';\n\t\treturn self::$num+=2;\/\/\u6539\u52a02\n\t}\n}\necho b::$num.'&lt;br>';\/\/\u503c\u8b8a \u5df2\u7d93\u8b8a3\necho b::add().'&lt;br>';\/\/\u5b50\u985e\u5225\u5df2\u8986\u5beb\u7236\u7684\u65b9\u6cd5 \u6240\u4ee5\u662f\u52a02 \u4e0d\u662f\u52a01 \u986f\u793a5\n\/\/\u975c\u614b\u5c6c\u6027\u8207\u65b9\u6cd5 \u4f7f\u7528\u6642\u4e0d\u7528\u751f\u6210\u7269\u4ef6\u5c31\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528 \u985e\u5225\u540d\u7a31::\u975c\u614b\u5c6c\u6027 \u985e\u5225\u540d\u7a31\u975c\u614b\u65b9\u6cd5()\n\/\/\u975c\u614b\u5c6c\u6027\u8207\u65b9\u6cd5 \u5728\u985e\u5225\u4e2d\u9700\u4f7f\u7528 self or static \u4e0d\u53ef\u4f7f\u7528 this\n\/\/\u986f\u793a\u7d50\u679c\n\/*\nCall From computer 1\nCall From computer 2\nCall From computer 3\n3\nCall From b 5\n*\/<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u518d\u4f86\u4ecb\u7d39 \u7269\u4ef6\u5c0e\u5411\u4e2d get_called_class() \u65b9\u6cd5\uff0c\u4e5f\u53ef\u4f7f\u7528 __CLASS__\uff1b\u4e3b\u8981\u662f\u62ff\u4f86\u9664\u932f\u6642\u4f7f\u7528\u3002<\/p>\n","protected":false},"author":1,"featured_media":2201,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[48,36],"tags":[279,429,448],"class_list":["post-3946","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-oop","category-php","tag-get_called_class","tag-oop","tag-php","hvn-theme-has-thumbnail"],"_links":{"self":[{"href":"https:\/\/www.webteach.tw\/index.php?rest_route=\/wp\/v2\/posts\/3946","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=3946"}],"version-history":[{"count":0,"href":"https:\/\/www.webteach.tw\/index.php?rest_route=\/wp\/v2\/posts\/3946\/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=3946"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.webteach.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3946"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.webteach.tw\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3946"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}