PHP Tutorials

Demand Because Nginx log will continue to grow, so we need to cut the log, convenient management, the need to achieve the following effects: The log is automatically cut by date, and the minimum unit is days. When the total amount of logs

With intermittent a week of time to understand the operating mechanism of the laravel, may be the basic knowledge of PHP or is not strong enough for the laravel source or not to see very clearly. First of all, the Laravel document is really

In this paper, we present a method for calculating the sum and product of values in an array of PHP. Share to everyone for your reference, as follows: First, overview: The Array_sum () function is used to calculate the and of all values in the

What is a single case, and what is its role? The singleton pattern is understood from the name. Single is once. The example is to instantiate an object, that is, I don't care how many times I use it to instantiate an object. OK, what is the

1. Create an app, Python manage.py startapp appname 2. Design model, edit the model in the appname/directory 3. Detection of model changes, Python manage.py makemigrations appname 4. Automating database migrations and synchronizing the

Namespaces are actually just a form, and the ultimate goal is to refactor the code, but it's impossible to do this in a single pass. At first, a pseudo proposition was given: thinkphp-based refactoring (not why). After a period of practice, it is

Of course, you can go to phpMyAdmin to browse. But after all, there are omissions. So I wrote a, compare database differences in the script (PHP), to facilitate their own. Of course the code is very simple, do not explain, paste code: Copy the Code

Some problems encountered in the application and solutions, do some records, for later use. I novice, technology is not skilled, notes are naïve. Ridicule please chuckle. 1, about the absolute positioning of the layer. There are two div layers,

Yii2 Notes on recording roles Today writes YII2 RBAC application, intends to simply modify the original about the role of the record, you can switch to the new permissions, and then an error occurred: Unserialize (): Error at offset 127 bytes

Copy CodeThe code is as follows: /**+------------------------------------------------* Universal Tree Type+------------------------------------------------* @author yangyunzhou@foxmail.com+------------------------------------------------* @date

This article describes how PHP uses text statistics to access the volume. Share to everyone for your reference, as follows: Method 1: $fp = fopen ("Counter.txt", "r+"), while (!flock ($FP, LOCK_EX)) {//acquire a exclusive LOCK //Waiting to LOCK

The example in this paper describes the PHP implementation of converting a one-dimensional array into a two-dimensional array of 3 consecutive values. Share to everyone for your reference, as follows: The results of the operation are as follows:

For example, a blog display window Copy the Code code as follows: !--? php /********************************************** * Filename:img.php * Author: Freemouse * Web:www.cnphp.info * email:freemouse1981@gmail.com *

Code: Copy the Code code as follows: $a = Array (' a ' = = ' A ', ' B ' = ' B ');$b = Array (' c ' = = ' C ', ' d ' = ' d ');$c = $a + $b;Print (' '); Print_r ($c); Print (' ');?> Results: Copy the Code code as follows: Array([A] = a[B] =

PHP read radio button Radio value Copy the Code code as follows: PHP read radio button Radio value if ($_post){Echo ' You have chosen single choice ', $_post[' RadioGroup1 '];Because the properties of a radio button can only be selected at

Well, in fact, most of the time it is possible, and some aspects are still very disturbing, the following slow way. Many languages offer a very elegant and beautiful way to manipulate arrays. In the following example, the closure functionality

Description string fread (int handle, int length) Fread () reads up to length bytes from a file pointer handle. The function stops reading the file when it has read up to the maximum length of bytes, or when it reaches EOF, or (for a network stream)

Then I use PHP to achieve this function, I think PHP to do this work is a pleasure! With the powerful HTML page-handling functions and regular expressions that they provide, just a few lines of code can take care of this feature. Paste the key code:

curl_setopt (PHP 4 >= 4.0.2) curl_setopt--Set an option for the curl call Describe BOOL curl_setopt (int ch, string option, mixed value) The curl_setopt () function sets options for a curl session. The option parameter is the setting that you want,

Sort out the post and get differences and list here: Security: Get transmitted data is visible, and security is poor. Capacity to transmit data: Get transport is limited by the maximum URL length, and the HTTP protocol does not