PHP Tutorials

PHP development for a while, but recently thinking of a problem, many industries have a title, then how to comment on the PHP Programmer's title or how to assess the grade? How to distinguish junior, intermediate, senior engineer? On your own mouth

$str = new str();//类似这种链式操作，如何实现？$str->str()->length(); Reply content: $str = new str();//类似这种链式操作，如何实现？$str->str()->length(); Class MyClass { public function doWork() { echo "work done\n"; return $this; } public

Python has been learning for some time (starting in 14 with Python) and the basic things that can be solved. But... Coordinates nanjing .... See the next go and 581 months there is no place to have a seat, Can you give me a suggestion? Do you learn

Question: Title. curl "http://xxx.com.cn/api/open" --data

How PHP returns SessionID and how to get data through SessionID Reply content: How PHP returns SessionID and how to get data through SessionID The basic knowledge of the sessionThe session is stored on the server side, such as in a file, in

Now it takes about 10 minutes to export with Phpexcel, and memory error ... Is there any way to make a lot of data export faster? ... Forget to say because it is some data customers need to use, so in Excel format Reply content: Now it takes

After I use the Add method to submit the data, the database always gets stuck in the data I want to insert. Html The data submitted by the Post method can be obtained in the following method, that is, add does not go inAdd public function

For example, I have a project folder in the WWW folder called Test i open localhost and then click Test, not jump to localhost/test instead of jumping directly to http://test/is where the configuration out of the problem picture description

There are many powerful commands in the shell, such as awk, sort, grep, and so on, which are more efficient to execute than the language implementations of PHP and Python? Reply content:N years ago in order to analyze dozens of GB of log every day,

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Which great God can explain this example in the official PHP manual from a memory point of view, I am a beginner PHPerDo not understand, please the elders of the liberal enlighten, the younger generation greatly thanks! It is best to be able to run

The company's website was made by an outsourcing company in the early days. After programmer a took over, it felt that the outsourcing company did not do, all reconstructed again. After the programmer B took over, I found the code written by a is

Reply content:The revolution has not yet succeeded, comrades still need to work hard. A lot of code doesn't actually work. This program can be optimized for a very short period of time. You look at a DB class that I wrote earlier. See for yourself.

I heard that JS is very difficult to learn. I think I learn the technology is very slow, do not know that need not to learn so many things. Afraid of their front-end back end have learned, the results are not proficient. Reply content:Why isn't? If

Some of the functions that we seldom use, but are very convenient, etc? Reply content:It's okay to come up with water. 1, Cal_days_in_month (calendar,month,year) Role: Returns the number of days in the one month for the specified year and calendar.

And to learn about Python. Reply content:Personal Opinion: No matter what language you learn, if C is good, it helps you a lot. So the university takes C when the initiation is very correct. There are a lot of PHP, work 2-3 years later back to see C-

The most commonly used algorithm in the infinite Pole classification is "recursion", a friend familiar with the PHP language must know that PHP is not good at recursion, and the number of recursion is limited (about 100 times, depending on the

Study hard six months of PHP web development, from the cabbage, to now can take the server to make master and slave can develop Web site, oneself is ambitious, can this find work found like untimely, request all is 2-3 years of work experience, but

Reply content:1, the shortcut key is huge, but also can be customized. There's a fight with sublime. I'm going to do this myself. Also has the shortcut key prompt plugin, searches by oneself. 2, convenient search. Support full project or directory

A few days ago participated in the Thunder Wuhan Station Campus Recruitment, then they have the specialized PHP position, then I thought their written examination and the interview are very simple, although still was brushed. And then the C + +