class B { public static $s = baked; public function m () { echo self::$s; B $this actually points to the instance of D, how can I access the DVDs? } } class D extends B { public static $s = Downs; } $d = new D (); $d-> m (); of ...
72 public static function ERROR($msg) 73 { 74 $debugInfo = debug_backtrace(); 75 $stack = "["; 76 foreach($debugInfo as $key => $val){ 77 if(array_key_exists("file", $val)){ 78 $...
$a=[1,2,3]; foreach($a as &$v){} foreach($a as $v){} var_dump($a); 0 => int 1 1 => int 2 2 => int 2 Why did the last element become 2 ...
the verify verification code included in tp is displayed normally on the qq browser, but not in browsers such as chrome firefox. The following figure and code QQ browser is as follows chrome firefox html partial code: <img id="veri...
client centos6.9, php7.1.21 use swoole_http_client through post data and upload files to the server: $data = [ p1 => 1, p2 => 2, groups => [20,30] ]; $cli->addFile( home test photo.jpg , photo ); $cli-&...
problem description using use thinkView to report an error, prompting think: undefined namespace think the platform version of the problem and what methods you have tried related codes Please paste the code text below (do not replace the cod...
questions about php easyswoole frameworks, custom classes and methods! is that I use the easyswoole framework to write a project, and how do I add my own custom class classes and method files in it, so that I can easily call in the future? ...
problem description the requirement is something like this: the C-sharp side of U3D will send a binary byte stream of a picture through POST to request my PHP interface, and then I get the byte stream and transfer it to the image and save it on the se...
as shown in the picture, but after a refresh, the visit is successful. Ask for the boss! ...
such as $serviceDemo = $this->get( service.demo ); $serviceDemo->test(); how to uniformly define where, and then jump to the appropriate location when you click test (). My framework is not symfony, but self-implemented . ...
problem description the php jssdk package provided by Wechat officially can only correspond to one official account. If you want him to support multiple official accounts, how to modify it and how to implement it? ...
this table is generated from the database. Now there are only two pieces of data, so there are only two. How can I get the value of the current first column when I click delete? ...
pack packaging code pack ( "L3 ", 123456789 (fixed value), strlen (message content), 1 (0 or 1)).) Message content; the overall effect is (fixed code + content length + whether encrypted) binary conversion of these three fields as a packet header and t...
php converts doc format files into xml files or docx format files; ask for your guidance! ...
problem description the server belongs to Aliyun, windows 2008 R2 system. There is a public IP and private IP, on Aliyun. How to configure IP? in the start_gateway.php file the environmental background of the problems and what methods you have tried...
has not been actually developed yet, is the process like this the server socket, connected to the PC through Ip and port will get a client_id the PC side takes the client_id to request the server, and the server binds the obtained client_id with th...
initial conditions 1. 2.() desired effect 3.php 4.html css repeat ...
Environment: pc and mobile phone are connected to the same router to surf the Internet, and pc is built using wamp (wampserver3.0.4_x86_apache2.4.18_mysql5.7.11_php5.6.19-7.0.4.exe). symptom: mobile phone enters pc ip (LAN ip,192.168.1.*), mobile phone ...
ask your bosses, in the project will often save a json format string to db, usually if it is expected to be a small amount of data to store varchar, if the data length is large to store text, is actually as a string to look at, but json itself is a kind ...
what is the difference between the following two ways to obtain data? file_get_contents( php: input ) $_REQUEST ...
excuse me, I have a requirement that I have a select component that uses list data, which list data is obtained through API. excuse me, I will use this list data in many components. Will you use it as a state? of vuex? ...
queries several list collections, but the final result is all the data from several collections listlistphoneMap list how to write code! ...
use the swiper plug-in. After setting slideTo, it automatically jumps from the fifth page to the first page. After the jump is completed, it will prevent autoplay, from continuing to play after he jumps. ...
which file servers are used by companies now? What are the mainstream file servers available at present? ...
this will throw an error ...