{"id":724,"date":"2020-08-27T17:49:12","date_gmt":"2020-08-27T09:49:12","guid":{"rendered":"https:\/\/www.kiccleaf.com\/?p=724"},"modified":"2020-08-27T17:49:56","modified_gmt":"2020-08-27T09:49:56","slug":"php%e7%9f%ad%e8%bf%9e%e6%8e%a5%e7%94%9f%e6%88%90%e7%ae%97%e6%b3%95","status":"publish","type":"post","link":"http:\/\/www.kiccleaf.com\/?p=724","title":{"rendered":"PHP\u77ed\u8fde\u63a5\u751f\u6210\u7b97\u6cd5"},"content":{"rendered":"\n<p>\u770b\u5230\u4e00\u670b\u53cb\u5199\u7684PHP\u77ed\u8fde\u63a5\u751f\u6210\u7684\u7b97\u6cd5\uff0c\u62ff\u6765\u4fee\u6539\u4e00\u4e0b\u539f\u6587\u4ef6\u5730\u5740\uff1a<a rel=\"noreferrer noopener\" href=\"https:\/\/www.cnblogs.com\/zemliu\/archive\/2012\/09\/24\/2700661.html\" data-type=\"URL\" data-id=\"https:\/\/www.cnblogs.com\/zemliu\/archive\/2012\/09\/24\/2700661.html\" target=\"_blank\">https:\/\/www.cnblogs.com\/zemliu\/archive\/2012\/09\/24\/2700661.html<\/a><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"php\" class=\"language-php\">&lt;?php\r\n    #\u77ed\u8fde\u63a5\u751f\u6210\u7b97\u6cd5\r\r\n    class Short_Url {\r\n        #\u5b57\u7b26\u8868\r\n        public static $charset = \"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz\";\r\n        public static function short($url) {\r\n            $key = \"alexis\";\r\n            $urlhash = md5($key . $url);\r\n            $len = strlen($urlhash);\r\n            #\u5c06\u52a0\u5bc6\u540e\u7684\u4e32\u5206\u62104\u6bb5\uff0c\u6bcf\u6bb54\u5b57\u8282\uff0c\u5bf9\u6bcf\u6bb5\u8fdb\u884c\u8ba1\u7b97\uff0c\u4e00\u5171\u53ef\u4ee5\u751f\u6210\u56db\u7ec4\u77ed\u8fde\u63a5\r\n            for ($i = 0; $i &lt; 4; $i++) {\r\n                $urlhash_piece = substr($urlhash, $i * $len \/ 4, $len \/ 4);\r\n                #\u5c06\u5206\u6bb5\u7684\u4f4d\u4e0e0x3fffffff\u505a\u4f4d\u4e0e\uff0c0x3fffffff\u8868\u793a\u4e8c\u8fdb\u5236\u6570\u768430\u4e2a1\uff0c\u537330\u4f4d\u4ee5\u540e\u7684\u52a0\u5bc6\u4e32\u90fd\u5f52\u96f6\r\n                $hex = hexdec($urlhash_piece) &amp; 0x3fffffff; #\u6b64\u5904\u9700\u8981\u7528\u5230hexdec()\u5c0616\u8fdb\u5236\u5b57\u7b26\u4e32\u8f6c\u4e3a10\u8fdb\u5236\u6570\u503c\u578b\uff0c\u5426\u5219\u8fd0\u7b97\u4f1a\u4e0d\u6b63\u5e38\r\n\r\n                $short_url = \"http:\/\/t.cn\/\";\r\n                #\u751f\u62106\u4f4d\u77ed\u8fde\u63a5\r\n                for ($j = 0; $j &lt; 6; $j++) {\r\n                    #\u5c06\u5f97\u5230\u7684\u503c\u4e0e0x0000003d,3d\u4e3a61\uff0c\u5373charset\u7684\u5750\u6807\u6700\u5927\u503c\r\n                    $short_url .= self::$charset[$hex &amp; 0x0000003d];\r\n                    #\u5faa\u73af\u5b8c\u4ee5\u540e\u5c06hex\u53f3\u79fb5\u4f4d\r\n                    $hex = $hex >> 5;\r\n                }\r\n                $short_url_list[] = $short_url;\r\n            }\r\n            return $short_url_list;\r\n        }\r\n    }\r\n    $url = \"http:\/\/www.cnblogs.com\/zemliu\/\";\r\n    $short = Short_Url::short($url);\r\n    print_r($short);\r\n?><\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"bash\" class=\"language-bash\">[root@kiccleaf ~]# php shorturl.php \r\nArray\r\n(\r\n    [0] => http:\/\/t.cn\/KyfLyH\r\n    [1] => http:\/\/t.cn\/bPafHS\r\n    [2] => http:\/\/t.cn\/H880aD\r\n    [3] => http:\/\/t.cn\/TmvDK0\r\n)<\/code><\/pre>\n\n\n\n<p>\u751f\u6210\u7684\u77edurl\u5b58\u5230\u670d\u52a1\u5668\u91cc\uff0c\u505a\u4e00\u4e2a\u6620\u5c04\uff0cshort_url => original_url\uff0c\u8f93\u5165\u77edurl\u7684\u65f6\u5019\u6309\u7167\u6620\u5c04\u8f6c\u56de\u957furl\uff0c\u7136\u540e\u8bbf\u95ee\u539f\u59cburl\u5373\u53ef\uff0c\u539f\u4f5c\u8005\u8f93\u51fa\u4e86\u56db\u7ec4\u77ed\u7f51\u5740\u3002<\/p>\n\n\n\n<p>\u5176\u5b9e\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u53ea\u9700\u8981\u4e00\u4e2a\u5c31\u591f\u4e86\uff0c\u7b80\u5355\u7684\u4fee\u6539\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"php\" class=\"language-php\">&lt;?php\r\n    #\u77ed\u8fde\u63a5\u751f\u6210\u7b97\u6cd5\r\r\n    class Short_Url {\r\n        #\u5b57\u7b26\u8868\r\n        public static $charset = \"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz\";\r\n        public static function short($url) {\r\n            $key = \"alexis\";\r\n            $urlhash = md5($key . $url);\r\n            $len = strlen($urlhash);\r\n               $urlhash_piece = substr($urlhash, 1 * $len \/ 4, $len \/ 4);\r\n                #\u5c06\u5206\u6bb5\u7684\u4f4d\u4e0e0x3fffffff\u505a\u4f4d\u4e0e\uff0c0x3fffffff\u8868\u793a\u4e8c\u8fdb\u5236\u6570\u768430\u4e2a1\uff0c\u537330\u4f4d\u4ee5\u540e\u7684\u52a0\u5bc6\u4e32\u90fd\u5f52\u96f6\r\n                $hex = hexdec($urlhash_piece) &amp; 0x3fffffff;\n                #\u6b64\u5904\u9700\u8981\u7528\u5230hexdec()\u5c0616\u8fdb\u5236\u5b57\u7b26\u4e32\u8f6c\u4e3a10\u8fdb\u5236\u6570\u503c\u578b\uff0c\u5426\u5219\u8fd0\u7b97\u4f1a\u4e0d\u6b63\u5e38\r\n                $short_url = \"http:\/\/t.cn\/\";\r\n                #\u751f\u62106\u4f4d\u77ed\u8fde\u63a5\r\n                for ($j = 0; $j &lt; 6; $j++) {\r\n                    #\u5c06\u5f97\u5230\u7684\u503c\u4e0e0x0000003d,3d\u4e3a61\uff0c\u5373charset\u7684\u5750\u6807\u6700\u5927\u503c\r\n                    $short_url .= self::$charset[$hex &amp; 0x0000003d];\r\n                    #\u5faa\u73af\u5b8c\u4ee5\u540e\u5c06hex\u53f3\u79fb5\u4f4d\r\n                    $hex = $hex >> 5;\r\n                }\r\n            return $short_url;\r\n        }\r\n    }\r\n\r\n    $url = \"http:\/\/www.cnblogs.com\/zemliu\/\";\r\n    $short = Short_Url::short($url);\r\n    print_r($short);\r\n?>\r\n<\/code><\/pre>\n\n\n\n<p>\u8f93\u51fa\u5355\u4e2a\u77ed\u7f51\u5740\uff0c\u8fdb\u884c\u4fdd\u5b58<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"bash\" class=\"language-bash\">[root@kiccleaf ~]# php shorturl1.php \r\nhttp:\/\/t.cn\/KyfLyH<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u770b\u5230\u4e00\u670b\u53cb\u5199\u7684PHP\u77ed\u8fde\u63a5\u751f\u6210\u7684\u7b97\u6cd5\uff0c\u62ff\u6765\u4fee\u6539\u4e00\u4e0b&#8230;<\/p>\n<div class=\"more-link-wrapper\"><a class=\"more-link\" href=\"http:\/\/www.kiccleaf.com\/?p=724\">Continue reading<span class=\"screen-reader-text\">PHP\u77ed\u8fde\u63a5\u751f\u6210\u7b97\u6cd5<\/span><\/a><\/div>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"iawp_total_views":5,"footnotes":""},"categories":[42],"tags":[33],"class_list":["post-724","post","type-post","status-publish","format-standard","hentry","category-php","tag-php","entry"],"views":2262,"_links":{"self":[{"href":"http:\/\/www.kiccleaf.com\/index.php?rest_route=\/wp\/v2\/posts\/724","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.kiccleaf.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.kiccleaf.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.kiccleaf.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.kiccleaf.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=724"}],"version-history":[{"count":3,"href":"http:\/\/www.kiccleaf.com\/index.php?rest_route=\/wp\/v2\/posts\/724\/revisions"}],"predecessor-version":[{"id":727,"href":"http:\/\/www.kiccleaf.com\/index.php?rest_route=\/wp\/v2\/posts\/724\/revisions\/727"}],"wp:attachment":[{"href":"http:\/\/www.kiccleaf.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=724"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.kiccleaf.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=724"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.kiccleaf.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=724"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}