Does PHP have a random selection of related functions from fixed options?

Randomly generated numbers can be used with Rand (). However, I want to choose one randomly from a few fixed options, is there such a function? For example: The options are Beijing, Shanghai, Guangzhou, choose one of the three fixed options randomly.

Browser display emoji

Database configuration, can normally save emoji, in phpMyAdmin can also be displayed normally, such as But the question mark is always displayed on my page ...Google a bit, found that the photos are replaced emoji, but looked at the phpMyAdmin code,

Redis Implementation Planning Task scenario

The project currently has a requirement: the system regularly visits some websites and gets the results (the websites that need to be saved to MySQL), I want to use the Redis implementation of the queue + Linux timing task to complete, but there is

PHP face test-What do PHP interns usually do? I'm going to go out to work and feel like I'm not doing anything, anxious.

Smarty,mvc These things are not understood. Reply content: Smarty,mvc These things are not understood. Apply Solve the problem I am also a PHP intern, refueling. You will generally need to be familiar with the framework used

How do you parse such a string with a regular?

Shaped like: $str='hhhhhhhhhhhhh'$str='jjjjjjjjjjjjjjjj' Want to get the content between p or H1, how to write? Reply content: Shaped like: $str='hhhhhhhhhhhhh'$str='jjjjjjjjjjjjjjjj' Want to get the content between p or H1, how to write?

PHP after calling Baidu translation API, after the successful call, why is the result empty?

$ch = curl_init(); //$keyword='hello'; $url = 'http://apis.baidu.com/apistore/tranlateservice/dictionary?query=hello&from=en&to=zh'; $header = array( 'apikey: 这里是我的apikey,我没有写', ); // 添加apikey到header curl_setopt($ch,

PHP Single Sign-on

A mall a forum system, how to achieve single sign-on? Successful login in the mall click on a button will be logged into the forum system. Reply content: A mall a forum system, how to achieve single sign-on? Successful login in the mall click

Using an IFRAME to submit a form, how can I return the value to the previous layer?

1. How do I get the information from the IFRAME to the div? 2. If you use a div without an iframe, how do I make the form in the Div commit and not jump? 3. After the file is submitted to the server, how do I get his address and return to input?

How PHP rewrites search-time URLs

Like what: Http://segmentfault.com/search?q=hello I want to achieve:Http://segmentfault.com/search/hello This URL. The search table is followed by the ' GET ' URL, & what. Use rewrite to directly search for links such as

Ueditor Editor after uploading pictures how to deal with again is to request too large pictures, such as scale reduction

My request is to upload the picture through the UE editor if it is too large, it will be scaled to a fixed size of the method in the UE file and how to write there is no specific code ah, and I can't find the relevant documents on the official web

Json_encode json_force_object Problems

"APPLE",1=>"BABABA")),JSON_FORCE_OBJECT);//string(18) "["APPLE","BABABA"]" Last two lines: var_dump(json_encode((object)array(0=>"APPLE",1=>"BABABA",2=>'PEAR')));// string(37)

laravel5.1 how to handle sending 10,000 copies of a subscription message

What is the method Ah, Redis storage queue for the time being not considered, will not be directly read, and then a hair bar, if the amount of data later, how to do it? method, performance and efficiency of the best, thank you all first. Reply

How does PHP extract the maximum number?

Suppose: 10 billion rows of data exist in the file, each row of data has a number, extract the first 100 maximum number, how to do? (Php+mysql implementation ideas can be) Reply content: Suppose: 10 billion rows of data exist in the file, each

ASP. NET and PHP development speed comparison

In the school is the. NET, then is a variety of truancy and so on, after graduation can only last training course, learned PHP Now work for half a year, but has been to. NET has a difficult to give up feelings, but I also like PHP, the development

Whether the community is Thinksaas or Opensns.

We want to be an interactive community like watercress, of course not the film, but something else, It seems that many online community programs are based on thinkphp development. Should you choose Thinksaas or Opensns development? , tangled in,

Data format processing Do you put it on the M or C level?

General people from the database to get data, to show in the foreground, do some formatting, content of fine-tuning and processing methods Do you put it on the model layer or logic layer or do you use event? Or is it written directly in the

PHP Array Integration

$arr=[ ['id'=>1,'name'=>'php','num'=>3], ['id'=>2,'name'=>'js','num'=>1], ['id'=>1,'name'=>'php','num'=>2], ['id'=>3,'name'=>'python','num'=>2], ];//怎么对id相同的对num求和并去重,返回的结果为 $arr=[ ['id'=>1,'name'=>'php','num'=>5],

Do the site generally need to consider the level two directory and sub-domain switch it?

Like Ask.example.com and example.com/ask,bbs.example.com and Example.com/bbs, when developing a website, do you consider switching between these two different ways of accessing each other? Reply content: Like Ask.example.com and example.com/ask,

Does the website generally use single entrance?

I found a lot of PHP framework is a single entrance, but basically I have seen the open source system like Discuz, Zencart, Destoon, etc. are not single-entry, ask the general company to write the project is a single entrance? Reply content: I

Laravel using Highcharts, the front end does not display

The backend uses Laravel to pass parameters to the front end, but the front-end does not display the data properly, where is the problem? Laravel Code: $res = HistoryData::where('product_id','1')->get(); //将获取的数据重新排版

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