{"id":17,"date":"2020-08-24T14:15:47","date_gmt":"2020-08-24T06:15:47","guid":{"rendered":"http:\/\/9iwd.top\/?p=17"},"modified":"2020-08-24T14:15:47","modified_gmt":"2020-08-24T06:15:47","slug":"no-5%e7%86%9f%e6%82%89%e5%8f%98%e9%87%8f","status":"publish","type":"post","link":"http:\/\/9iwd.top\/?p=17","title":{"rendered":"No.5\u719f\u6089\u53d8\u91cf"},"content":{"rendered":"\n<pre class=\"wp-block-code\"><code>&lt;?php\n\/*\n\u5728PHP\u4e2d \u5b9a\u4e49\u4e00\u4e2a\u53d8\u91cf\u9700\u8981\u589e\u52a0\uff08$\uff09\u7b26\u53f7\n\u53ef\u4ee5\u901a\u8fc7\u53d8\u91cf\u540d\u76f4\u63a5\u8bbf\u95ee\u6570\u636e\n*\/\n$aa=11;\necho $aa;\n\n\/\/\u968f\u65f6\u90fd\u53ef\u4ee5\u81ea\u884c\u4fee\u6539\u53d8\u91cf\u7684\u6570\u636e\n$aa=22;\necho '&lt;hr\/>',$aa;\n\/\/'&lt;hr\/>'\u662f\u5206\u5272\u7ebf\u7684\u6807\u8bc6\n\n\n\/\/\u53ef\u4ee5\u4f7f\u7528 unset()\u51fd\u6570\u6765\u5220\u9664\u5bf9\u5e94\u53d8\u91cf\u91ca\u653e\u5185\u5b58\nunset($aa);\n\/\/echo '&lt;hr\/>','\u4e0b\u4e00\u884c\u5185\u5bb9\u4e3a\u51fa\u9519\uff0c\u56e0\u4e3a\u5df2\u7ecf\u5220\u9664\u5bf9\u5e94\u53d8\u91cf';\n\/\/echo $aa;\n\necho '&lt;hr\/>';\n\n\/\/\u53d8\u91cf\u547d\u540d\u89c4\u5219\uff0c\u53ef\u4ee5\u6709\u5b57\u6bcd\u3001\u6570\u5b57\u3001\u4e0b\u5212\u7ebf\u7ec4\u6210\uff0c\u4f46\u4e0d\u80fd\u6570\u5b57\u5f00\u5934\uff0c\u4e5f\u652f\u6301\u4e2d\u6587\u53d8\u91cf\uff0c\u4f46\u4e0d\u5efa\u8bae\n$qq;$qq1;$qq_1;$_qq1;$_11qq;$\u4e2d\u56fd;\n\n\/*\u9884\u5b9a\u4e49\u53d8\u91cf\n\n\u9884\u5b9a\u4e49\u53d8\u91cf:\u63d0\u524d\u5b9a\u4e49\u7684\u53d8\u91cf\uff0c\u7cfb\u7edf\u5b9a\u4e49\u7684\u53d8\u91cf\uff0c\u5b58\u50a8\u8bb8\u591a\u9700\u8981\u7528\u5230\u7684\u6570\u636e(\u9884\u5b9a\u4e49\u53d8\u91cf\u90fd\u662f\u6570\u7ec4)\u3002\n$_GET:\u83b7\u53d6\u6240\u6709\u8868\u5355\u4ee5get\u65b9\u5f0f\u63d0\u4ea4\u7684\u6570\u636e\u3002\n$_POST: POST\u63d0\u4ea4\u7684\u6570\u636e\u90fd\u4f1a\u4fdd\u5b58\u5728\u6b64\u3002\n$_REQUEST: GET\u548cPOST\u63d0\u4ea4\u7684\u90fd\u4f1a\u4fdd\u5b58\u3002\n$GLOBALS: PHP \u4e2d\u6240\u6709\u7684\u5168\u5c40\u53d8\u91cf\u3002\n$_SERVER:\u670d\u52a1\u5668\u4fe1\u606f\u3002\n$_SESSION: session \u4f1a\u8bdd\u6570\u636e\n$_COOKIE: cookie \u4f1a\u8bdd\u6570\u636e\u3002\n$_ENV: \u73af\u5883\u4fe1\u606f\u3002\n$_FILES: \u7528\u6237\u4e0a\u4f20\u7684\u6587\u4ef6\u4fe1\u606f\u3002\n\n*\/\n\n\n\/\/\u53d8\u91cf\u503c\u4f20\u9012\n$z1=10;\n$z2=$z1;\n$z2=4;\n\necho $z1,',',$z2;\necho '&lt;hr\/>';\n\n\n\/\/\u53d8\u91cf\u5f15\u7528\u4f20\u9012,\u6539\u53d8\u4e00\u4e2a\u5730\u5740\u6570\u636e\uff0c\u4e24\u4e2a\u53d8\u91cf\u6570\u636e\u90fd\u540c\u65f6\u53d8\u66f4\n$x1=11;\n$x2=&amp;$x1;\n$x2=67;\n\necho $x1,',',$x2;\n\n<\/code><\/pre>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[3],"_links":{"self":[{"href":"http:\/\/9iwd.top\/index.php?rest_route=\/wp\/v2\/posts\/17"}],"collection":[{"href":"http:\/\/9iwd.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/9iwd.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/9iwd.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/9iwd.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=17"}],"version-history":[{"count":0,"href":"http:\/\/9iwd.top\/index.php?rest_route=\/wp\/v2\/posts\/17\/revisions"}],"wp:attachment":[{"href":"http:\/\/9iwd.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=17"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/9iwd.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=17"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/9iwd.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=17"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}