PHP Tutorials

Suppose there are 20 million or more strings, and there are 1000 keywords. Now you need to detect which keywords all strings hit, of course, the simplest way is a string of a string to be used to match all the keywords, but this efficiency will be

See Ecshop has a crawler record plug-in, record which search engine crawled which page, but I do not understand ecshop, but also kind of know how this feature implementation. A page, how to judge is User access also crawler access? Which reptile is

Is there a recommended background framework UI Ah, I downloaded one but do not know whether it is pirated? I downloaded this http://www.zi-han.net/theme/hplus/.Certainly not bought, I downloaded here, http://download.csdn.net/detail/haichaomuscle/94

$result = [ 'a'=>[1,2], 'b'=>[1,2], 'c'=>[1,2], 'd'=>[1,2],]array_intersect_ukey( $result['a'], $result['b'], $result['c'], $result['d'],

In the main Page a iframe a hidden (0,0) page B, page b when the user visited a page will be dynamic jump, a page is not affected, how to get to the B page after the URL, after each visitor up, jump URL address is not the same, Because the URL of

Before each time, the loop all the data to compare whether the time is equal to the above time, but each time to compare all. Wasted performance. There's no other plan. Reply content: Before each time, the loop all the data to compare whether

Like I'm going to split a $i number into 4 groups. If this number is 4 then return an array of 1 2 3 4 arrays (0=>1,1=>2,2=>3,4=>4) If it is 1 then return a 2 return 2, or the subscript 1 can start For example, if this number is 12,

例子1$foo = 'bar'; function destroy_foo() { global $foo; unset($foo); // $foo = '123';}destroy_foo();echo $foo; // bar And if the unset ($foo) is replaced with $foo = ' 123 '; //例子2$foo = 'bar'; function destroy_foo() { global $foo;

Is there a getlastsql () method in yii2.0 that looks like a TP to query the executed SQL statement Reply content: Is there a getlastsql () method in yii2.0 that looks like a TP to query the executed SQL statement echo (new

I previously saw a site that was also built on a foreign server. It's very fast. But my website is built on a foreign server. Speed is usually slow at times. Do not know how to improve the speed of user access Like CDN acceleration, no record is

Title, may I ask what? Are there any other shorthand options? Reply content: Title, may I ask what? Are there any other shorthand options? There is no shorthand for the way. In a strongly typed language, a && Boolean is required on both

Title, or are there other special methods?? Non-frame, handwritten item words Reply content: Title, or are there other special methods??Non-frame, handwritten item words Use Nginx a jump. So to use the framework Ah, the output link to use

Reply content: Looks like RSA. Supplement: Use of Https://github.com/travist/jsencryptIt's RSA, really. F12 can see ~ ~ ~Jsencrypt is RSA encryption var encrypt = new JSEncrypt(); encrypt.setPublicKey('MIGfMA0GCSqGSIb3DQEBAQUAA4

After the static cache is turned on, no local cache method is found. The template does not seem to have The label. How do you deal with this, please? My need is: most of the content on the page is updated once a day, so I want to implement a

Header (' Content-type:image/jpeg '); $width = 120; $height = 40; $img = Imagecreatetruecolor ($width, $height); $colorBg = Imagecolorallocate ($img, Rand (200,255), Rand (200,255), Rand (200,255)); $colorBorder = Imagecolorallocate ($img, 255, 0, 0)

Business scenario: Suppose there are 1000 people browsing the same microblog at the same time, and these 1000 people will be like, in order to simplify, we assume that the 1000 people are like in chronological order. The likes control cannot let

function myfunc($a){ echo $a + 10;}$val = 10;echo "myfunc($val)=".myfunc($val); //20myfunc(10) should not output MyFunc (10) =20? Reply content: function myfunc($a){ echo $a + 10;}$val = 10;echo "myfunc($val)=".myfunc($val); //20myfunc(10)

I'm now going to use Redis instead of the original file-based sessionStore. But after I'm done with the configuration, laravelor to sessionStored inside the file. //This file is stored in the App\extensions directory. !--? phpnamespace

{$val.pTitle}

When the page refreshes, how to determine whether to read from the Redis data or read from the server, because the first to determine the value of Redis in the operation, if there is a value, then read. So how to access the database to read it?