current location:Home > Technical Articles > Backend Development > PHP Problem
- Direction:
- All web3.0 Backend Development Web Front-end Database Operation and Maintenance Development Tools PHP Framework Daily Programming WeChat Applet Common Problem Other Tech CMS Tutorial Java System Tutorial Computer Tutorials Hardware Tutorial Mobile Tutorial Software Tutorial Mobile Game Tutorial
- Classify:
-
- PHP implements Sina Weibo login
- In the current social Internet environment, Sina Weibo has become an indispensable part of people's social life. As a developer, implementing the Sina Weibo login function in your own website or application can help improve user experience and enhance user stickiness. As a language that is easy to learn and has high development efficiency, PHP can also easily handle Sina Weibo login. Sina Weibo login relies on the OAuth2.0 authorization mechanism, which is an open authorization protocol currently used by most social platforms. When logging in to Sina Weibo, users need to first
- PHP Problem 724 2023-05-28 18:05:38
-
- php xml remove spaces
- XML is a commonly used data exchange format. In PHP, we often use DOM or SimpleXML to parse and generate XML files. However, various problems will be encountered in the process of processing XML files, one of which is that the XML file contains spaces. Even though these spaces appear to be harmless, when parsing the XML file, they are treated as part of the node, causing some errors. In this article, we will explain how to remove spaces from XML files in PHP. 1. Use trim() function to remove XML text
- PHP Problem 697 2023-05-28 18:05:08
-
- html5 to php conversion
- HTML5 and PHP are two different programming languages. HTML5 is mainly used for the presentation, layout and style of web pages, while PHP is mainly used for server-side data processing and generation of dynamic web pages. However, in the actual development process, HTML5 and PHP are usually used together because they work well together to implement various functions. In this article, we will explore how to convert HTML5 code to PHP code in order to implement more complex applications. We'll start with a simple example. The difference between HTML5 and PHPHT
- PHP Problem 1043 2023-05-28 17:56:09
-
- Usage of php function find
- In the development of PHP, there are many commonly used functions that can help us quickly complete some operations. One of the commonly used functions is the find function. The purpose of this function is to find specific characters or substrings in a string. This article will introduce in detail the usage of php function find. 1. Basic syntax The basic syntax of the find function is very simple. You only need to call the function in a string and pass the character or substring you want to find as a parameter. For example: ```$string = "Hello World!";$find
- PHP Problem 1483 2023-05-28 17:52:40
-
- php jsonp converts json data
- With the rapid development of mobile Internet, more and more websites are beginning to use Web API to provide data services. When we use Web API to obtain data on the front end, we usually use AJAX to make asynchronous requests. However, due to the browser's same-origin policy restrictions, AJAX can only request data from the same-origin server, which limits the scope of the front-end's ability to obtain data. In order to solve cross-domain problems, jsonP technology came into being. Let's learn more about the application of jsonP in front-end data acquisition. 1. JSONP Principle JSONP (J
- PHP Problem 921 2023-05-28 17:50:08
-
- php changes words from lowercase to uppercase
- In PHP development, we often encounter the need to convert words in text to uppercase and lowercase. One common scenario is to convert words from lowercase to uppercase. This article will introduce two common methods in PHP to convert words from lowercase to uppercase. Method 1: strtoupper()PHP built-in function `strtoupper()` can convert all lowercase letters in the string to uppercase letters, and it is very simple to use. Here is an example: ```$originalString
- PHP Problem 535 2023-05-28 17:46:38
-
- How to select pictures and delete them in php
- PHP is a popular programming language that is well suited for web development. When running a website or application, users are often required to upload and manage files, including images. However, images uploaded by users may contain content that is not suitable for display, or may have expired and need to be deleted. This article will explain how to use PHP to select and delete images on your website. Select a picture Before you can delete a picture you first need to select it. In PHP, selecting a specific image can be done by file name or file path. Here are several ways to select images: 1. scand
- PHP Problem 734 2023-05-28 17:32:41
-
- Reasons why the PHP website verification failed
- In recent years, with the rapid development of Internet technology, more and more websites have adopted PHP as a website development language. However, sometimes when installing a PHP website, you will encounter the problem of verification failure. So what is the reason for this problem? This article will explore this issue. 1. Symptoms of PHP website verification failure When installing a PHP website, you often need to perform some verifications, such as entering database information, verifying administrator accounts, etc. But sometimes, during the verification process, it will prompt that the verification failed, and the website background cannot be entered normally. At this time, we need to analyze the reasons for the verification failure and carry out
- PHP Problem 697 2023-05-28 17:23:39
-
- php convert data to utf 8
- In the daily development process, we often encounter character encoding problems, especially when multiple languages are involved. As a commonly used development language, PHP must have the correct character encoding processing method, otherwise it will cause garbled characters in the application system and affect the user experience. This article will introduce how PHP converts data in different encoding formats into UTF-8 encoding, so that everyone can quickly solve this common problem. 1. What is UTF-8 encoding? UTF-8 is a variable-length character encoding used in Unicode and is currently one of the most commonly used character encodings.
- PHP Problem 906 2023-05-28 17:19:08
-
- php set get method call
- The set and get methods in PHP are a common way to access private properties in object-oriented programming. The set method is used to set the value of a private property, while the get method is used to obtain the value of a private property. This article will introduce how to write set and get methods in PHP and demonstrate how to call these methods. 1. What are the set and get methods? The set and get methods are commonly used ways to access private properties in PHP. Private attributes are attributes defined in a class that can only be accessed by methods of the class and cannot be directly accessed or modified by external programs.
- PHP Problem 734 2023-05-28 17:13:38
-
- PHP settings support dynamic libraries
- PHP is a powerful web development language that can provide a variety of different functions and features for websites. PHP can enhance its functionality through dynamic link libraries, but by default, PHP may not support dynamic link libraries. This article will introduce how to set up PHP to support dynamic link libraries to enhance the functionality of PHP. PHP is a server-side scripting language that can be used to develop websites and web applications. Unlike other programming languages, PHP generates web pages dynamically by writing server-side code. PHP supports a variety of database and server technologies, including MySQL,
- PHP Problem 971 2023-05-28 16:58:07
-
- Can't php be written to the database?
- "Can't PHP be written into the database?" This topic involves both web development and database aspects. In this article, we will explore this common problem, explaining why PHP sometimes fails to write directly to the database, as well as possible causes and solutions. PHP is a popular open source programming language commonly used for web development. Its use in conjunction with databases is very common, as many web applications need to retrieve data from the database and write some data back to the database. However, sometimes PHP's task of writing to the database may fail
- PHP Problem 773 2023-05-28 16:53:09
-
- php leave calculation method
- In business management, asking for leave for employees is a necessary process. In the process of calculating the number of leave days, for PHP developers, how to write a leave calculation method is a necessary skill. In this article, we will discuss how to write a leave calculation function using PHP. 1. Basic knowledge of leave calculation First, let us understand some basic knowledge of leave calculation. Employee leave is usually divided into annual leave, sick leave, personal leave and other types. When calculating the number of days of leave, we need to consider the following factors: 1. The type of employee’s leave; 2. The start and end time of leave; 3. Every
- PHP Problem 841 2023-05-28 16:48:38
-
- One-click installation tutorial for php on linux
- In server environments using Linux systems, applications written in PHP are widely used. Before installing PHP, you must install a web server, such as Apache, because the web server is the running environment of PHP. Below is a tutorial on installing PHP in a Linux environment with one click. Step 1: Install the Linux system. If the Linux system is not installed on the server, you need to install the Linux system first. In Linux systems, there are multiple distributions, such as Ubuntu, CentOS, Debia
- PHP Problem 1014 2023-05-28 16:47:41
-
- php one month to timestamp
- PHP is a very popular programming language that is widely used in web development, data processing and other application development. In PHP development, we often need to convert time to timestamp or timestamp to time. This article will show you how to convert a month to a timestamp using PHP. In PHP, we can use the timestamp function to get the current timestamp or convert a given time into a timestamp. The timestamp refers to the number of seconds from January 1, 1970 00:00:00 UTC (Coordinated Universal Time) to the specified date and time. First, we need
- PHP Problem 695 2023-05-28 16:42:08