PHP Tutorials

There are some pictures in 1.canvas, I want to use PHP to get these pictures in the canvas link, the picture downloaded to the computer. 2. If it is a picture in a webpage, can get to the picture path, then use similar file_get_contents function,

Hello everyone, I use this library https://github.com/dvajs/dva/... When requesting Yii2 Rest API, how can the server return the header x-pagination-page-count, x-pagination-total-countAnd so the information is packaged in return results? The

Memcached::cas (PECL memcached >= 0.1.0) Memcached::cas-Comparing and exchanging values Description public bool Memcached::cas (float $cas _token, string $key, mixed $value [, int $expiration]) Memcached::cas () performs a "check and set" operation,

MVC, in the M layer building class, C layer new corresponding class of objects, and then to the V Layer, V layer using the object calls the corresponding class method, have you seen this mode? Reply content: MVC, in the M layer building class,

On some issues, classes and direct functions can be solved. And I see that in some PHP frameworks, the methods in many classes do not need to rely on instances of this class, these methods are tool-based methods, and there are no attributes

Using PHP to export data to Excel files, no Phpexcel class, wrote a simple program Generate an Excel file, and then enter the data one line at a But the ID number output into a scientific count, there is a solution on the Internet, one is the front

PHP How to encrypt the URL ah, not particularly long Reply content: PHP How to encrypt the URL ah, not particularly long urlencode, not part of encryption UrlEncode I don't know how you're going to encrypt it, is that it? This is encoded

Solve, how to solve it? Another domain name walk is OK, but this domain name does not go, front-end code is as follows: The backend code is as follows: Reply content: Solve, how to solve it? Another domain name walk is OK, but this domain

Although know Oauth2::getmyopenid () is to obtain the user OpenID method, want to ask next Getmyopenid () This is a fixed usage?There is a "::" Double colon is a fixed wording or have other meanings? Want to know it and know why. Trouble the great

Now need to provide an interface to iOS, one is mobile phone SMS authentication registration, one is the mobile phone text back password. Do not know how to deal with, can someone guide you? Thank you very much, I was doing the project under the YII2

An element is added to the obj1 array, which is also added in the Obj2 array.Do they inherit the array as a pointer? Everyone has an array of prototype this object? //最后问一个很奇怪的问题(prototype中的array难道也只是一个指针?) Thank you.. Reply content: An element

In a PHP interactive environment, if you already have such a definition: function a(){ return 'a';} Now I find the original is wrong, need to change function a(){ return 'b'; } This time will be error, Fatal Error:cannot redeclare If you

As shown in the following: Reply content: As shown in the following: Affected refers to the number of rows that were changed, and the select query does not alter the contents of the row. Http://php.net/pdoIn PDO, the number of rows

JavaScript-What is the variable object for this JS code? alert (x); "X" is not Definedalert (b); "Undefinedx = 10;var y = 20; Does x become a property of window rather than a variable? y is a variable object? ' Cause I saw this conversation.

Concurrency Performance test 1 Purpose of testing According to the test results of Apache and Nginx concurrency performance, the advantages and disadvantages of concurrency model are analyzed. Performance evaluation items include: RPS (number of

Reprinted from: http://dockone.io/article/117 "Editor's note" The writer is Geoffrey, a PHP web developer who loves DevOps and Docker. This article mainly describes how to use Docker to build PHP development environment, the author also discusses

, an array that is explicitly declared in the top-level scope is not called in the callback function of the OnMessage event, and each time a new array is reused and then manipulated, I tried the global keyword, and the use of the variable preceded

Today found logs mass 400 error The http1.1 standard specifies that the request must contain header information, and if the request header is empty then Web server returns 400 in detail and can see RFC 2316, section 14.23 In addition to the above-

For example, Google browser to open the background to compile articles, the article first select the font for Microsoft Ya Black, and then edit the other, which font will become "; As stated: For the first time just the font of the article

This article is a little bit of rain original, declined reprint Objective After the basic configuration, we can run the PHP environment directly on Nginx, then the next step is to do some of the following operations Configuring the NIC Since the