{"id":790,"date":"2013-08-07T16:04:05","date_gmt":"2013-08-07T08:04:05","guid":{"rendered":"http:\/\/www.xiaojia.info\/?p=790"},"modified":"2013-08-07T16:12:33","modified_gmt":"2013-08-07T08:12:33","slug":"php_empty","status":"publish","type":"post","link":"https:\/\/www.luja.cc\/?p=790","title":{"rendered":"PHP\u5728false\u503c\uff0c\u7a7a\u503c\u65b9\u9762\u7684\u5224\u65ad\u3002"},"content":{"rendered":"<p>PHP\u4e3a\u5f31\u7c7b\u578b\u8bed\u8a00\uff0c\u5728false\u503c\uff0c0\uff0cNULL\uff0cempty\u7b49\u65b9\u9762\u6bd4\u8f83\u6df7\u4e71\uff0c\u4e0b\u56fe\u662f\u76f8\u5e94\u7684\u65b9\u6cd5\u7684\u8fd4\u56de\u503c\uff0c\u5728\u5224\u65ad\u65f6\u7ecf\u5e38\u4f1a\u7528\u3002<\/p>\n<p><a href=\"http:\/\/www.xiaojia.info\/wp-content\/uploads\/2013\/08\/23105B926-0.jpg\"><img decoding=\"async\" loading=\"lazy\" src=\"http:\/\/www.xiaojia.info\/wp-content\/uploads\/2013\/08\/23105B926-0.jpg\" alt=\"23105B926-0\" width=\"408\" height=\"460\" class=\"alignnone size-full wp-image-791\" srcset=\"https:\/\/www.luja.cc\/wp-content\/uploads\/2013\/08\/23105B926-0.jpg 408w, https:\/\/www.luja.cc\/wp-content\/uploads\/2013\/08\/23105B926-0-266x300.jpg 266w\" sizes=\"(max-width: 408px) 100vw, 408px\" \/><\/a><\/p>\n<p>\u6ce8\u610f\uff1a(int) \u548cintval()\uff0c\u5728\u4f7f\u7528\u65f6\uff0c\u5f53\u5b57\u4e32\u5982\u201c2abcd\u201d\u65f6\u8fd4\u56de\u503c\u4e3a2(\u5927\u4e8e0)\uff0c\u56e0\u6b64\u5b57\u7b26\u4e32\u5728(int)\u5904\u7406\u540e\u7684\u7ed3\u679c\u4e0d\u4e00\u5b9a\u662f0\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PHP\u4e3a\u5f31\u7c7b\u578b\u8bed\u8a00\uff0c\u5728false\u503c\uff0c0\uff0cNULL\uff0cempty\u7b49\u65b9\u9762\u6bd4\u8f83\u6df7\u4e71\uff0c\u4e0b\u56fe\u662f\u76f8\u5e94\u7684\u65b9\u6cd5\u7684\u8fd4\u56de\u503c\uff0c\u5728\u5224\u65ad\u65f6 &hellip;<br \/><a href=\"https:\/\/www.luja.cc\/?p=790\">Read more <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[75],"tags":[156,154,180],"_links":{"self":[{"href":"https:\/\/www.luja.cc\/index.php?rest_route=\/wp\/v2\/posts\/790"}],"collection":[{"href":"https:\/\/www.luja.cc\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.luja.cc\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.luja.cc\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.luja.cc\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=790"}],"version-history":[{"count":2,"href":"https:\/\/www.luja.cc\/index.php?rest_route=\/wp\/v2\/posts\/790\/revisions"}],"predecessor-version":[{"id":793,"href":"https:\/\/www.luja.cc\/index.php?rest_route=\/wp\/v2\/posts\/790\/revisions\/793"}],"wp:attachment":[{"href":"https:\/\/www.luja.cc\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=790"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.luja.cc\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=790"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.luja.cc\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=790"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}