I asked a question in CSDN when I wanted to implement a function in PHP Author: Chuwen Time: 2021-06-28 Classification: talk of everything under the sun <trans data-src="## 事由">##Subject matter</trans> <trans data-src="闲来无事，突然在 Google 搜了下自己的**QQ 小号**，没想到会有意外的收获，我竟然在五六年前（2015-10-28）在 CSDN 提过一个关于 PHP 问题">When I was free, I suddenly searched my * * QQ trumpet * * on Google. Unexpectedly, there would be unexpected gains. I even raised a question about PHP on CSDN five or six years ago (October 28, 2015)</trans> <trans data-src="!">!</trans> <trans data-src="[](">[](</trans> <trans data-src="https://cdn.nowtime.cc/2021/06/28/2150184956.png">https://cdn.nowtime.cc/2021/06/28/2150184956.png</trans> <trans data-src=")">)</trans> <trans data-src="!">!</trans> <trans data-src="[](">[](</trans> <trans data-src="https://cdn.nowtime.cc/2021/06/28/3178275766.png">https://cdn.nowtime.cc/2021/06/28/3178275766.png</trans> <trans data-src=")">)</trans> <trans data-src="原文内容：">Original content:</trans> <trans data-src="```">```</trans> <trans data-src="<?"><?</trans> <trans data-src="php">php</trans> <trans data-src="$auth=">$auth=</trans> <trans data-src="http://g.xsscp.com/include/code1.php?url=">http://g.xsscp.com/include/code1.php?url=</trans> <trans data-src="$_SERVER['HTTP_HOST']";">$_SERVER['HTTP_HOST']";</trans> <trans data-src="<?"><?</trans> <trans data-src="php">php</trans> <trans data-src="$url = "">$url = "</trans> <trans data-src="http://g.xsscp.com/include/code1.php?url=">http://g.xsscp.com/include/code1.php?url=</trans> <trans data-src="$_SERVER['HTTP_HOST']";">$_SERVER['HTTP_HOST']";</trans> <trans data-src="$html = file_get_contents($url);">$html = file_get_contents($url);</trans> <trans data-src="if(!in_array($_SERVER['HTTP_HOST'],">if(!in_array($_SERVER['HTTP_HOST'],</trans> <trans data-src="array(echo $html;)))">array(echo $html;)))</trans> <trans data-src="{">{</trans> <trans data-src="exit('64407039提醒您，您的域名未授权！或者直接通过网址访问！">Exit ('64407039 reminds you that your domain name is not authorized! Or you can access it directly through the website!</trans> <trans data-src="授权请联系QQ:644407039');">For authorization, please contact QQ: 644407039 ');</trans> <trans data-src="}">}</trans> <trans data-src="?>">?></trans> <trans data-src="就是不能够用，请大神帮帮忙，">It's just not enough. Please help me,</trans> <trans data-src="思路如下">The idea is as follows</trans> <trans data-src="假设">hypothesis</trans> <trans data-src="$_SERVER['HTTP_HOST']"">$_SERVER['HTTP_HOST']"</trans> <trans data-src="等于 r.xsscp.com">Equal to r.xsscp.com</trans> <trans data-src="那么这个网址">So this website</trans> <trans data-src="http://g.xsscp.com/include/code1.php?url=">http://g.xsscp.com/include/code1.php?url=</trans> <trans data-src="$_SERVER['HTTP_HOST']"">$_SERVER['HTTP_HOST']"</trans> <trans data-src="变为">Becomes</trans> <trans data-src="http://g.xsscp.com/include/code1.php?url=r.xsscp.com">http://g.xsscp.com/include/code1.php?url=r.xsscp.com</trans> <trans data-src="如果授权了，则返回当前网址">If authorized, return to the current URL</trans> <trans data-src="并且通过。">And passed.</trans> <trans data-src="如果没有授权，则返回">If there is no authorization, return</trans> <trans data-src="禁止通过">No Admittance</trans> <trans data-src="滴水之恩，当涌泉相报图片说明">Benefiting from dripping water, when Yongquan reports pictures</trans> <trans data-src="如果上面代码行不通，可以参考下图设计，这段代码是别人发的，也是授权的，只给看了一部分。">If the above code doesn't work, you can refer to the following figure for design. This code is sent by someone else and is also authorized. Only part of it has been shown.</trans> <trans data-src="```">```</trans> <trans data-src="### 主要来看看代码吧：">###Let's look at the code:</trans> <trans data-src="> 写的好烂，还有语法错误">>Bad writing and grammar mistakes</trans> <trans data-src="```php">```php</trans> <trans data-src="<?"><?</trans> <trans data-src="php">php</trans> <trans data-src="$url = "">$url = "</trans> <trans data-src="http://g.xsscp.com/include/code1.php?url=">http://g.xsscp.com/include/code1.php?url=</trans> <trans data-src="$_SERVER['HTTP_HOST']";">$_SERVER['HTTP_HOST']";</trans> <trans data-src="$html = file_get_contents($url);">$html = file_get_contents($url);</trans> <trans data-src="if(!in_array($_SERVER['HTTP_HOST'],">if(!in_array($_SERVER['HTTP_HOST'],</trans> <trans data-src="array(echo $html;)))">array(echo $html;)))</trans> <trans data-src="{">{</trans> <trans data-src="exit('64407039提醒您，您的域名未授权！或者直接通过网址访问！">Exit ('64407039 reminds you that your domain name is not authorized! Or you can access it directly through the website!</trans> <trans data-src="授权请联系QQ:644407039');">For authorization, please contact QQ: 644407039 ');</trans> <trans data-src="}">}</trans> <trans data-src="?>">?></trans> <trans data-src="```">```</trans> <trans data-src="## 这还没完，我又搜了下自己的 QQ">##It's not over yet. I searched my QQ again</trans> <trans data-src="> 然后又发现了自己写的代码，具体年限已经不知道了，这时候我应该是掌握了 MySQL 在 PHP 中的使用了吧，常规的 SQL 语句应该会一点。">>Then I found the code I wrote. I don't know the exact age. At this time, I should have mastered the use of MySQL in PHP. I should know a little about regular SQL statements.</trans> <trans data-src="但是这时候只会调用别人写好的类库，原生 `mysql`、`mysqli` 还是不会...">But at this time, only the class library written by others will be called, and the native 'mysql' and 'mysqli' will not</trans> <trans data-src=">">></trans> <trans data-src="> 从以下可以看到，自己对 `return` 语句还是不了解，造成了 `if-else` 无限嵌套，指导后面我学习了 `ThinkPHP` 后面才知道方法遇到 reutrn 就直接终止执行了">>As can be seen from the following, I still don't understand the 'return' statement, which results in 'if else' infinite nesting. After I learned 'ThinkPHP', I learned that the method will terminate execution when it encounters a retrn</trans> <trans data-src=">">></trans> <trans data-src="> 还有就是各种语法不严谨，以为只有成功的情况，没有失败的情况">>In addition, the grammar is not rigorous, thinking that there is only success and no failure</trans> <trans data-src="```php">```php</trans> <trans data-src="<?"><?</trans> <trans data-src="php">php</trans> <trans data-src="class API{">class API{</trans> <trans data-src="function idiom($idiom){">function idiom($idiom){</trans> <trans data-src="global $DB;">global $DB;</trans> <trans data-src="if(stristr($idiom,'成语接龙')){">If (stristr ($idiom, 'Idiom Solitaire')){</trans> <trans data-src="$idiom=explode('成语接龙',$idiom);">$idiom=explore ('Idiom Solitaire ', $idiom);</trans> <trans data-src="if($idiom['1']){">if($idiom['1']){</trans> <trans data-src="$row=$DB->get_row("SELECT * FROM `api_idiom` WHERE `name`='{$idiom['1']}' LIMIT 1");">$row=$DB->get_row("SELECT * FROM `api_idiom` WHERE `name`='{$idiom['1']}' LIMIT 1");</trans> <trans data-src="if($row['name']==$idiom['1']){">if($row['name']==$idiom['1']){</trans> <trans data-src="$count=utf8_strlen($idiom['1']);">$count=utf8_strlen($idiom['1']);</trans> <trans data-src="$key=mb_substr($idiom,($count-1),$count,'UTF-8');">$key=mb_substr($idiom,($count-1),$count,'UTF-8');</trans> <trans data-src="$row=$DB->get_row("SELECT * FROM `api_idiom` WHERE `name` LIKE '{$idiom['1']}%' ORDER BY RAND() LIMIT 1");">$row=$DB->get_row("SELECT * FROM `api_idiom` WHERE `name` LIKE '{$idiom['1']}%' ORDER BY RAND() LIMIT 1");</trans> <trans data-src="if($row['name']){">if($row['name']){</trans> <trans data-src="return $row['name'];">return $row['name'];</trans> <trans data-src="}else{">}else{</trans> <trans data-src="return '你太厉害了，我已经接不上啦，换一个成语来玩吧(ฅ>">Return 'You're too good. I can't get it. Let's use another idiom to play</trans> <trans data-src="ω<*">ω<*</trans> <trans data-src="ฅ)';">ฅ)';</trans> <trans data-src="}">}</trans> <trans data-src="}else{">}else{</trans> <trans data-src="return '你确定存在这个（'.$idiom['1'].'）的成语吗？">Return 'Are you sure this idiom ('. $idiom ['1 '].') exists?</trans> <trans data-src="可不要糊弄我哦～';">Don't fool me;</trans> <trans data-src="}">}</trans> <trans data-src="}else{">}else{</trans> <trans data-src="$row=$DB->get_row("SELECT * FROM `api_idiom` ORDER BY RAND() LIMIT 1");">$row=$DB->get_row("SELECT * FROM `api_idiom` ORDER BY RAND() LIMIT 1");</trans> <trans data-src="return $row['name'];">return $row['name'];</trans> <trans data-src="}">}</trans> <trans data-src="}elseif(stristr($idiom,'成语')){">}Elseif (stristr ($idiom, 'idiom')){</trans> <trans data-src="$idiom=explode('成语',$idiom);">$idiom=explore ('idiom ', $idiom);</trans> <trans data-src="if($idiom['1']){">if($idiom['1']){</trans> <trans data-src="$row=$DB->get_row("SELECT * FROM `api_idiom` WHERE `name`='{$idiom['1']}' LIMIT 1");">$row=$DB->get_row("SELECT * FROM `api_idiom` WHERE `name`='{$idiom['1']}' LIMIT 1");</trans> <trans data-src="if($row['name']==$idiom['1']){">if($row['name']==$idiom['1']){</trans> <trans data-src="return '读音：'.$">Return 'Pronunciation:'$</trans> <trans data-src="row['spell'].'">row['spell'].'</trans> <trans data-src="\n成语：'.$">\N Idiom: '$</trans> <trans data-src="row['name'].'">row['name'].'</trans> <trans data-src="\n\n释义：'.$">\N n Definition: '$</trans> <trans data-src="row['content'];">row['content'];</trans> <trans data-src="}else{">}else{</trans> <trans data-src="return '你确定存在这个（'.$idiom['1'].'）的成语吗？">Return 'Are you sure this idiom ('. $idiom ['1 '].') exists?</trans> <trans data-src="可不要糊弄我哦～';">Don't fool me;</trans> <trans data-src="}">}</trans> <trans data-src="}else{">}else{</trans> <trans data-src="return '你还没有输入需要查询成语释义的成语呢～(●—●)';">Return 'You haven't entered the idiom to query its definition~(● - ●)';</trans> <trans data-src="}">}</trans> <trans data-src="}">}</trans> <trans data-src="#Function Die">#Function Die</trans> <trans data-src="}">}</trans> <trans data-src="function query_express($nu){">function query_express($nu){</trans> <trans data-src="global $DB;">global $DB;</trans> <trans data-src="if(!$nu){">if(!$nu){</trans> <trans data-src="return '请输入需要查询快递信息的运单号码！';">Return 'Please enter the waybill number to query the express information!';</trans> <trans data-src="}else{">}else{</trans> <trans data-src="$express=json_decode(curl_get('">$express=json_decode(curl_get('</trans> <trans data-src="http://www.kuaidi100.com/autonumber/auto?num=">http://www.kuaidi100.com/autonumber/auto?num=</trans> <trans data-src="'.$">'.$</trans> <trans data-src="nu),true);">nu),true);</trans> <trans data-src="$exname=$express[0]['comCode'];">$exname=$express[0]['comCode'];</trans> <trans data-src="if(!$exname){">if(!$exname){</trans> <trans data-src="return '请正确输入运单号码！';">Return 'Please enter the waybill number correctly!';</trans> <trans data-src="}else{">}else{</trans> <trans data-src="$query=json_decode(curl_get('">$query=json_decode(curl_get('</trans> <trans data-src="http://www.kuaidi100.com/query?type=">http://www.kuaidi100.com/query?type=</trans> <trans data-src="'.$">'.$</trans> <trans data-src="exname.'&">exname.'&</trans> <trans data-src="postid='.$">postid='.$</trans> <trans data-src="nu),true);">nu),true);</trans> <trans data-src="if($query['status']=='400'){">if($query['status']=='400'){</trans> <trans data-src="return '查询失败！">Return 'Query failed!</trans> <trans data-src="可能该货物还未更新物流信息，请过一段时间再来查询吧！';">Maybe the logistics information of the goods has not been updated, please check again later! ';</trans> <trans data-src="}else{">}else{</trans> <trans data-src="if($query['status']=='201'){">if($query['status']=='201'){</trans> <trans data-src="return '查询失败，原因：\n1.可能该货物还未更新物流信息，请过一段时间再来查询吧！">Return 'The query failed. The reason is: n1. Maybe the logistics information of the goods has not been updated. Please check again later!</trans> <trans data-src="\n\n2.该运单号不存在[请检查运单号是否输入正确！]或者已经过期了！">\N n2. The waybill number does not exist [Please check whether the waybill number is entered correctly!] or it has expired!</trans> <trans data-src="\n\nPS：如果该运单号存在，却出现此提示，请联系该快递查询API作者QQ：1361289290，谢谢合作！';">\N nPS: If the waybill number exists, but this prompt appears, please contact the express to query API author QQ: 1361289290, thank you for your cooperation! ';</trans> <trans data-src="}else{">}else{</trans> <trans data-src="$com=$query['com'];">$com=$query['com'];</trans> <trans data-src="if($query['state']=='0'){">if($query['state']=='0'){</trans> <trans data-src="$state='货物正在运输中！';">$state='Goods are in transit! ';</trans> <trans data-src="}elseif($query['state']=='1'){">}elseif($query['state']=='1'){</trans> <trans data-src="$state='货物已由快递公司揽收';">$state='The goods have been collected by the express company';</trans> <trans data-src="}elseif($query['state']=='2'){">}elseif($query['state']=='2'){</trans> <trans data-src="$state='货物寄送过程中出了问题';">$state='There was a problem during the delivery of the goods';</trans> <trans data-src="}elseif($query['state']=='3'){">}elseif($query['state']=='3'){</trans> <trans data-src="$state='收件人已签收';">$state='The recipient has signed in';</trans> <trans data-src="}elseif($query['state']=='4'){">}elseif($query['state']=='4'){</trans> <trans data-src="$state='货物由于用户拒签、超区等原因退回，发件人已签收';">$state='The goods are returned due to the user's refusal to sign, over area and other reasons, and the sender has signed for them';</trans> <trans data-src="}elseif($query['state']=='5'){">}elseif($query['state']=='5'){</trans> <trans data-src="$state='快递正在进行派件中';">$state='The express delivery is in progress';</trans> <trans data-src="}elseif($query['state']=='3'){">}elseif($query['state']=='3'){</trans> <trans data-src="$state='货物正在处于退回发件人途中';">$state='The goods are being returned to the sender';</trans> <trans data-src="}else{">}else{</trans> <trans data-src="$state='状态查询失败，请稍后再查询吧！';">$state='Status query failed, please query later!';</trans> <trans data-src="}">}</trans> <trans data-src="$row=$DB->get_row("SELECT * FROM `api_expresscom` WHERE `com`='$com' LIMIT 1");">$row=$DB->get_row("SELECT * FROM `api_expresscom` WHERE `com`='$com' LIMIT 1");</trans> <trans data-src="$arrlength=count($query['data']);">$arrlength=count($query['data']);</trans> <trans data-src="for($i=0;$i<$arrlength;$i++){">for($i=0;$i<$arrlength;$i++){</trans> <trans data-src="$data.=$">$data.=$</trans> <trans data-src="query['data'][$i]['time'].'">query['data'][$i]['time'].'</trans> <trans data-src="\n'.$">\n'.$</trans> <trans data-src="query['data'][$i]['context'].'">query['data'][$i]['context'].'</trans> <trans data-src="\n\n';">\n\n';</trans> <trans data-src="}">}</trans> <trans data-src="return '查询运单号：'.$">Return 'Query the waybill number:'$</trans> <trans data-src="nu.'［'.$">nu.'［'.$</trans> <trans data-src="row['name'].'］">row['name'].'］</trans> <trans data-src="\n货物状态：'.$">\N Cargo status: '$</trans> <trans data-src="state.'">state.'</trans> <trans data-src="\n\n'.$">\n\n'.$</trans> <trans data-src="data.'">data.'</trans> <trans data-src="查询时间：'.date('Y-m-d H:i:s');">Query time: '. date ('Y-m-d H: i: s');</trans> <trans data-src="}">}</trans> <trans data-src="}">}</trans> <trans data-src="}">}</trans> <trans data-src="}">}</trans> <trans data-src="#Function Die">#Function Die</trans> <trans data-src="}">}</trans> <trans data-src="function joke(){">function joke(){</trans> <trans data-src="global $DB;">global $DB;</trans> <trans data-src="$row=$DB->get_row("SELECT * FROM `api_joke` ORDER BY RAND() LIMIT 1");">$row=$DB->get_row("SELECT * FROM `api_joke` ORDER BY RAND() LIMIT 1");</trans> <trans data-src="return '《'.$row['title'].'》\n'.$">return '《'.$row['title'].'》\n'.$</trans> <trans data-src="row['text'];">row['text'];</trans> <trans data-src="}">}</trans> <trans data-src="function historic($msg){">function historic($msg){</trans> <trans data-src="global $DB;">global $DB;</trans> <trans data-src="if(stristr($msg,'今天')){">If (stristr ($msg, 'today')){</trans> <trans data-src="$m=date('m');">$m=date('m');</trans> <trans data-src="$d=date('d');">$d=date('d');</trans> <trans data-src="}else{">}else{</trans> <trans data-src="$text=str_replace(Array('历史上的','日'),'',$msg);">$text=str_replace (Array ('days in history '),' ', $msg);</trans> <trans data-src="$t=explode('月',$text);">$t=explore ('month ', $text);</trans> <trans data-src="$m=$t['0'];">$m=$t['0'];</trans> <trans data-src="$d=$t['1'];">$d=$t['1'];</trans> <trans data-src="}">}</trans> <trans data-src="if($m && $d){">if($m && $d){</trans> <trans data-src="$m=str_replace(Array('01','02','03','04','05','06','07','08','09'),Array('01'=>'1','02'=>'2','03'=>'3','04'=>'4','05'=>'5','06'=>'6','07'=>'7','08'=>'8','09'=>'9'),$m);">$m=str_replace(Array('01','02','03','04','05','06','07','08','09'),Array('01'=>'1','02'=>'2','03'=>'3','04'=>'4','05'=>'5','06'=>'6','07'=>'7','08'=>'8','09'=>'9'),$m);</trans> <trans data-src="if($m<'0'){$m='1';}elseif($m>'13'){$m='12';}">if($m<'0'){$m='1';}elseif($m>'13'){$m='12';}</trans> <trans data-src="$d=str_replace(Array('01','02','03','04','05','06','07','08','09'),Array('01'=>'1','02'=>'2','03'=>'3','04'=>'4','05'=>'5','06'=>'6','07'=>'7','08'=>'8','09'=>'9'),$d);">$d=str_replace(Array('01','02','03','04','05','06','07','08','09'),Array('01'=>'1','02'=>'2','03'=>'3','04'=>'4','05'=>'5','06'=>'6','07'=>'7','08'=>'8','09'=>'9'),$d);</trans> <trans data-src="if($d<'0'){$d='1';}elseif($d>'32'){$d='31';}">if($d<'0'){$d='1';}elseif($d>'32'){$d='31';}</trans> <trans data-src="}else{">}else{</trans> <trans data-src="$m=str_replace(Array('01','02','03','04','05','06','07','08','09'),Array('01'=>'1','02'=>'2','03'=>'3','04'=>'4','05'=>'5','06'=>'6','07'=>'7','08'=>'8','09'=>'9'),date('m'));">$m=str_replace(Array('01','02','03','04','05','06','07','08','09'),Array('01'=>'1','02'=>'2','03'=>'3','04'=>'4','05'=>'5','06'=>'6','07'=>'7','08'=>'8','09'=>'9'),date('m'));</trans> <trans data-src="$d=str_replace(Array('01','02','03','04','05','06','07','08','09'),Array('01'=>'1','02'=>'2','03'=>'3','04'=>'4','05'=>'5','06'=>'6','07'=>'7','08'=>'8','09'=>'9'),date('d'));">$d=str_replace(Array('01','02','03','04','05','06','07','08','09'),Array('01'=>'1','02'=>'2','03'=>'3','04'=>'4','05'=>'5','06'=>'6','07'=>'7','08'=>'8','09'=>'9'),date('d'));</trans> <trans data-src="}">}</trans> <trans data-src="}">}</trans> <trans data-src="}">}</trans> <trans data-src="```">```</trans> <trans data-src="---">---</trans> <trans data-src="仅此回忆">Only this memory</trans> label: memory