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- How to open modification time in php
- For PHP programmers, it is very useful to know how to open and modify the modification time of a file. In some specific scenarios, such as file version control, backup, data analysis, etc., it may be necessary to manipulate the file modification time for further processing. This article will explain how to open and modify the modification time of files in Linux and Windows operating systems using PHP. 1. The modification time of an open file can be obtained through the stat() function of the file in PHP, including the creation time.
- PHP Problem 418 2023-05-24 19:46:05
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- Is there any distinction between Chinese and English brackets in php?
- PHP is a scripting language widely used in web development and an open source server-side programming language. In PHP, square brackets play an important role in data types such as arrays and strings. So, are there any distinctions between Chinese and English brackets in PHP? This is a topic that many PHP beginners are concerned about. First of all, it needs to be made clear that the PHP language itself is based on English, including PHP official documents, functions, keywords, etc. are mainly in English. Therefore, the use of square brackets is also based on English norms.
- PHP Problem 532 2023-05-24 19:42:09
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- Does php function array convert into string array?
- There are some functions in PHP that can convert an array of functions into an array of strings. Methods for converting arrays into string arrays include implode(), join(), serialize() and json_encode(). The implode() and join() functions concatenate the elements of an array with specified characters and return a string. The syntax is as follows: ```php$implode_str = implode('connector', $array);// or $join_s
- PHP Problem 343 2023-05-24 19:40:37
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- Modify array sorting php
- PHP is a widely used programming language that provides many powerful tools and function libraries, making it very convenient for us to deal with array sorting. In this article, we will introduce how to modify array sorting using PHP. In PHP, we can use the sort() function to sort an array in ascending order. For example: ```$numbers = array(3, 1, 4, 1, 5, 9, 2, 6, 5, 3);sort($numbers);print_r($numbe
- PHP Problem 370 2023-05-24 19:37:37
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- PHP table is not visible
- PHP is a popular open source scripting language that is widely used for web application development. When developing web applications, we often need to interact with databases to store and retrieve data. In PHP, many web developers choose to use the MySQL database because it is a widely used open source relational database management system. However, when using a MySQL database, we may encounter situations where some tables are not visible, which may cause problems. Table invisible means that the table in the MySQL database seems to disappear, that is, in PH
- PHP Problem 481 2023-05-24 19:31:05
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- What needs to be installed to use php in vscode
- What needs to be installed to use Php in Vscode? As the scope of use of Php gradually expands, more and more people begin to use Php for development in Vscode. However, to use Php in Vscode you need to install some necessary extensions and plug-ins. This article will explain to you the extensions and plug-ins that need to be installed to use Php in Vscode. 1. PHP Extension PackPHP Extension Pack is an extension pack developed by Microsoft, which includes
- PHP Problem 2714 2023-05-24 19:27:07
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- How to remove php password
- With the continuous development of Internet technology, more and more websites are beginning to use the PHP language for development, which also makes PHP the target of many hacker attacks. Among them, PHP password is one way of hacker attack, and it is also the most common way. So, how to remove the PHP password and improve the security of the website? Let’s take a closer look. What is a PHP password? PHP passwords are a way for hackers to exploit website vulnerabilities and add a piece of PHP code to the website server. This code will be placed in a file that can be executed,
- PHP Problem 401 2023-05-24 19:13:36
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- How to send post array in php
- In the process of developing PHP applications, sometimes data needs to be transmitted through POST, where the POST parameter can be an array. Next, we will introduce how to transfer POST arrays in PHP. The first method is to encode the POST's parameters into a JSON string and send it to the server. In order to implement this process, we need to use the PHP built-in function json_encode to convert the POST array into a JSON string: ```php$post_array = array(
- PHP Problem 890 2023-05-24 19:12:35
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- centos install apache php5.2.0 mysql
- CentOS is a free and open source operating system commonly used in server environments. In a server environment, it is often necessary to install open source software such as Apache, PHP, and MySQL to build web servers and database servers. In this article, we will explain how to install Apache, PHP 5.2.0 and MySQL in CentOS. Install the software package source in Apache CentOS and use the yum command to manage it. Before installing Apache, make sure yum has been updated to the latest version: ```su
- PHP Problem 364 2023-05-24 19:09:35
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- Convert php two-dimensional array to xml
- PHP is a popular programming language that is widely used in web development. There are many situations where we need to convert data from one format to another. In this article, we will explore how to convert a 2D array in PHP to XML format. First, let's look at what a two-dimensional array is. A two-dimensional array is an array that contains multiple arrays as its elements. Typically, two-dimensional arrays are used to store complex data types or data tables. In web development, XML is a common data exchange format. XML is an extensible markup language,
- PHP Problem 519 2023-05-24 19:08:35
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- PHP deletes array key name and specified key value
- In PHP development, array is an essential data structure. However, when dealing with arrays, we often need to delete a specific key or delete the item containing the key value. This article will introduce how to delete a specified key value from an array in PHP. In PHP, deleting array key values is a very common operation. Sometimes we need to delete the value under a specified key name or delete all items containing the specified value in the entire array. Below we introduce the deletion methods for these two situations respectively. 1. Delete the value under the specified key name. In PHP, delete the specified
- PHP Problem 391 2023-05-24 19:01:07
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- Missing functions after installing php from source code
- Lack of functions after installing PHP from source code With the popularity of the Internet, PHP has become one of the most important server scripting languages. Most traditional PHP versions are installed through Linux package managers (such as yum, apt-get, etc.). In short, it is very convenient. However, for users who need to customize specific functions, they may choose to install the PHP version from source. Although source code installation has great advantages in handling some requirements, it also has some potential problems, such as missing some features. The main purpose of this article is to discuss source code installation P
- PHP Problem 394 2023-05-24 18:46:07
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- linux php source code installation
- PHP source code installation under Linux When using the Linux operating system, when you need to use PHP, you will generally choose to install the PHP source file. Let's introduce how to install PHP source code under Linux. Step 1: Preparation work Before installing the PHP source code, you need to do some preparation work. First, you need to install development environments such as Apache and MySQL on the Linux system, and you also need to install some necessary development tools, such as gcc, make, etc. These tools can be
- PHP Problem 677 2023-05-24 18:42:37
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- PHP array implements paging
- With the continuous development of Internet technology, the development of Web applications is becoming more and more important. In Web applications, data display and paging are one of the traditional requirements. How to achieve fast paging of data is the key to web application performance and user experience. In PHP, arrays are commonly used data types. This article will introduce how to use PHP arrays to implement fast paging functionality. 1. Data preparation First, we need to get the data from the database or other data sources and store it in a PHP array. Suppose we have array $ containing 100 records
- PHP Problem 910 2023-05-24 18:42:08
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- Convert php string to array
- In PHP programming, converting characters into arrays is a common operation. The most common application scenario is to split or split a string, convert it into an array and then traverse or analyze it. In PHP, there are many ways to convert a string into an array, including using built-in functions and custom functions. This article will introduce you to the methods and examples of converting PHP strings into arrays to help you better understand the operation. 1. Use the `explode` function in PHP. The `explode` function is used to split strings.
- PHP Problem 400 2023-05-24 18:41:37
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