I would like to ask php how to determine whether each one-dimensional array in a two-dimensional array is empty without using for and other loops, and count out the number of empty arrays, and find out the relevant functions in the system function. $a...
problem description Wechat scan Code download and install iOS and Android js Code my APP installation package can only be displayed by scanning the code in the browser. Wechat of iOS and Android scanned the page and left the page blank untouched. t...
function encode($array) { if(version_compare(PHP_VERSION, 5.4.0 , < )){ $str = json_encode($array); $str = preg_replace_callback("-sharp u([0-9a-f]{4})-sharpi",function($matchs){ return iconv( UCS...
Today, when I transferred to the public api website of a trading station, the opposite side returned this format. I have never encountered it. Baidu is less than. I would like to ask which god has seen it. Can you explain it? 107:42["chartdata WTH...
topic description A method under the constructor (non-static method) does not want to execute the constructed method related codes Please paste the code text below (do not replace the code with pictures) class website extend site { ...
setting model alias definition has no effect =! Model: public function cate(){ return $this->hasOne( TestCategory , id , category ,[ id => category_id , title => category_title ]); } Controller: $books = TestBoo...
The variable name is stored in the stack space, and the stack area is first in and then out, so how does it pop up when you actively unset a variable? ...
uses HTMLPurifier to Filter a url, in the text but converts a parameter in url, lang, into a full-width less-than sign (similar to ...
when I downloaded the zip file in the background, I wrote the necessary parameters in the header, but still did not appear the download box, but appeared in the return value. Can anyone tell me ~ Sorry, the response of the laravel used to download the ...
user table table_1 id name sex status 1 1 1 2 1 1 user role rating table table_2 UID id uid level_name level_id 1 1 1 1 1 2 1 2 2 1 2 3 query users of all bronze gr...
in a mall website, there are different merchants. When the buyer goes to buy something, he buys one item from store 1 and adds it to the shopping cart, and then chooses an item from 2 stores to join the shopping cart, 3 stores and 4 stores. And so on, wh...
yii base InvalidArgumentException: The file or directory to be published does not exist: home vagrant yii test vendor bower-asset typeahead.js dist in home vagrant yii test vendor yiisoft yii2 web AssetManager.php:456 Stack trace: -sharp0 home vagra...
I installed XAMPP, and MediaWiki in Windows. It s slow if you don t have to visit some pages for a long time. Enabling OPcache and APCu is much faster, but the first visit after a long absence is still relatively slow. It s not the first time to open ...
I installed the fileinfo extension in the source code on centos. Make Times made a mistake: make: * [fileinfo.lo] Error 1. I can t find a solution on all major platforms. Ask for advice . my installation steps are as follows: wget downloaded the ...
failed to install php72-mongodb with brew under macOS checked the data and said that homebrew php has been abandoned and merged into homebrew core but failed to install using brew install php72-mongodb directly and could not find https: github.c...
Ubuntu or centos depth which is best used graphically to develop php. Are there many advantages over win development ...
recently, I found a problem when using php-amqplib. first of all, my channel uses confirm mode, that is, sender confirmation mode during use, my consumer s final response is as follows: $message- > delivery_info [ channel ]-> basic_ack ($message-...
Wechat s unified API for issuing orders always reports signature errors! I use Wechat s official signature to verify that the signature result is the same. Is there any good way to verify what caused the signature error? here is the xml: passed by ...
set scheduled tasks on ubuntu18.04 and execute the PHP file ds.php . Contents of PHP file: <?php file_put_contents(__DIR__. ds.txt ,date( Y-m-d H:i:s )); $mysqli = new mysqli( 127.0.0.1 , root , 123456 , mydb ); if($mysq...
Command to start the program: php server.php start-d or php server.php start & ...
1. Navigation jumps through vue-router, but the navigation data is dynamically variable, including the need to pass parameters when you click on navigation. You don t know how to pass parameters. Please take a look at them. html <!-- -->...
effect picture first: figure 1 (currently traversed effect) 2 traversal in html <tbody > <tr class="hap_table_tr" v-for="(item,index) in proceList"> <td class="hap_table_bank">...
function: read the contents of files in the specified directory on the remote linux server. known: server IP, port number, user name, password, path, file name. I use ssh2 mode to establish a connection, and then I can only upload or retrieve files. T...
it works to add @ touchmove.prevent time to the mask layer when I write the pop-up box inside the mask layer at first, but the mask layer sets transparency, which causes the pop-up box to have transparency as well. Then changed the following writing, do...
the previous answers are too old to use; is there any solution? ...