PHP

We often want to convert the numbers entered by users to the RMB capital form when doing the mall. Below I have sorted out several trillion-level digital conversion examples, let's take a look at these examples. We often want to convert the numbers

The regular expressions used to collect mobile phone numbers, landline, mailbox, ID card numbers (15 or 18 digits), and mobile phone number interceptions (four digits in the middle) in php are collected by the user. If something is wrong. Welcome!

Snoopy is a php class used to simulate some simple functions of the browser. It can obtain webpage content and send forms. To run Snoopy correctly, the PHP version of your server is later than 4 and PCRE (PerlCompatibleRegularExpressions) is

It is easy to export csv data because the csv format data is a text type. You only need to separate the data by using the "and" signs, then, use the header to input the csv or excel format. It is easy to export csv data because the csv format data

Php time zone is a very interesting issue. After installing the apache + php environment, we will find that the date we get using the date function is 8 hours different from the Chinese time, how can this time zone problem be solved? I have sorted

In php learning, error_reporting and display_errors are two very important parameters. They are indispensable in learning the debugging process. It is very easy to enable and disable these two error logs as long as they are in php. you can simply

The requirement is as follows: there is a log file of about 1 GB, with about more than 5 million lines. php is used to return the last few lines of content. If we use a common method, the log file will be stuck, later, I saw a webmaster write this

For some important files, we do not want users to directly enter the address for access. This requires some settings. The following summarizes some php statements that prohibit access directly from entering the address in the browser. PHP file

Php has many remote request methods. In this tutorial, we will focus on the six most commonly used methods for sending GET and POST requests. For more php Remote requests, visit the website, you can also check the php manual. Php has many remote

Session and Cookie usage are very common in php. We usually use them for Logon dual-verification, the following section describes how to use Session and Cookie to verify user logon, record user browsing history, store shopping cart data, and limit

When we use the PHP interface in our mobile phone to connect to the web, we will perform an encrypted value for handshaking verification. Next we will introduce some methods and principles for you. When we use the PHP interface in our mobile phone

Next, let's take a look at an example of xampp enabling remote access to the xamppMysql database in a learning environment. I hope the example will be helpful to you. Next, let's take a look at an example of how xampp enables remote access to the

The php_sapi_name function is a string that can return the web server environment run by php. Let's take a look at two examples of the php_sapi_name function testing the php runtime environment. The php_sapi_name function is a string that can return

The following article summarizes three methods of converting arrays into strings and then writing them into the database. One is to directly use the implode function, and the other is to use the serialize and eval functions for conversion. Let's

Many cms have word segmentation functions, most of which are used in tag tags. I have written a word segmentation method myself without a powerful word dictionary, I downloaded a word dictionary and a word segmentation code on the Internet. Many cms

Some websites have a lot of CSS files. if you merge them together and perform Gzip compression, the request and file size will be reduced, which improves the loading speed of websites. For convenience, I do not recommend manual compression and

File_get_contents is rarely used to replace curl, but sometimes you can use file_get_contents instead of curl when the server does not support curl. The following is an example. File_get_contents is rarely used to replace curl, but sometimes you can

When developing a website, we sometimes set a 404 error page to prompt users that the entered website does not exist. Another benefit of setting 404 is to prevent malicious users from guessing your url parameters. This article describes how to set

I thought a lot about the multi-server data synchronization and real-time data processing functions and did not find a suitable tool. Today I want to use the ftp + rsync tool for implementation, the following describes the implementation of the

Methods starting with two underscores in PHP, __construct () ,__ destruct () ,__ call () ,__ callStatic () ,__ get () ,__ set (), __isset () ,__ unset () ,__ sleep () ,__ wakeup (), etc., known as the magic method (Magicmethods), the method that