PHP Tutorials

Table of Contents [1] Variable variable definition variable assignment [2] data type string integer floating-point Boolean Array object null resource [3] scope globalstatic Variable Variable definition A variable is a container for storing

PHP functions include user-defined functions, intrinsic functions (print_r count ...), anonymous functions, variable functions ($func = ' Print_r '; $func (Array (' A ', ' B ');) PHP kernel source will be divided into the following types of

Programming PHP OCR Combat: Read text from an image with Tesseract Optical Character Recognition (OCR) optical character recognition is the process of converting printed text into a digital representation. It has a wide variety of practical

One, the problematic code for ($i = 1; $i Two, problematic code output Third, the correct code before using the array, it is better to define initialization first. for ($i = 1; $i Four, the correct code output 

Forgive me for shameless advertising, Ubuntu Server deploy has joined the PHP7 branch, PHP7 Branch has integrated the PHP extension of the server installed, enabled, disabled. git clone git checkout php7./php.sh install./php.sh install-ext

To do development, given that the post message is an XML packet, the data obtained through SimpleXMLElement object is not well manipulated and needs to be converted to a normal array. Online find a lot of methods are not ideal, found through

PHP SAPI (Server application Programming Interface, service-side application programming port) support is called CLI. The CLI (command line Interface) is the shell mode that refers to PHP running in command line mode. In the Linux interface, after

PHP Low-level error: Function name must be a string technology Maybe yes posted on 2015-04-16 00:19 In the impression, the PHP error is rarely encountered, but once encountered, suddenly still find the problem. When a person in the process of

My MySQL data sheet person has an ID number field, which I want to sort by the date of birth, which is the seventh to 14th field in the ID number. The focus is on sorting. The CREATE statement for the person table is as follows: $persql = "CREATE

Because of the long-term use of composer for package dependency management, many common libraries are placed on GitHub, referencing dependencies between multiple projects, and updating versions with a lot of cost savings, but there are still some

The use of this is to set the encoding, send HTTP status values, and redirect. PHP Header UTF8: Header ("content-type:text/html; Charset=utf-8″); PHP header 404: Header ("http/1.0 404 Not Found"); The above two examples are set UTF8 encoding

(1) Access to other websites by accessing the file: The URL of any Web site is actually a path to the page file, so we can open the file to open the Web page file. We can then write the contents into our own files. In this way we can search for

Install some PHP extensions, refer to the PHP manual, and then add the sections that need to be explained to install PHP extension Pcntl as an example. #查看当前php版本123456deMacBook-pro:~ admin$ php-vphp 5.5.14 (CLI) (built:sep 9 19:09:25) Copyright (

1. Do not use relative paths Often you will see: Require_once ('.. /.. /lib/some_class.php '); There are many drawbacks to this approach: It first looks for the specified PHP include path and then finds the current directory.

PHP does not have an open memcache extension by default, and the installation of the memcache extension is explained in detail below. Installing Memcache extensions under Windows Visit the PHP website http://pecl.php.net/package/memcache Click

Not technically related to your issue. However, I had a really hard time trying to solve the "serialization of ' Closure ' isn't allowed" issue while using Phpuni T, and this question is the top Google result. The problem comes from the fact,

My blog address: Lo Zhijiang's Blog Welcome to exchange links, exchanges. Simply say my logic and I don't know if I understand SSO right. If three sites a.baidu.com b.baidu.com c.baidu.com A.baidu.com as the authenticating user login account.B

The foundation is very poor and poor. will only PHP basic knowledge and htmlcssjavascript some of the basics of the thing itself knocking on the code also need to edge Baidu side knocking. Senior because the school is good, so the company gave an

In recent months to do more development, storage nickname is essential can this evil support emoji expression do nickname, this is a bit of egg pain The General MySQL table is designed with the UTF8 character set. Insert the nickname field with

Pod extension is added in PHP5, which provides PHP built-in class PDO to access the database, different databases use the same method name, to solve the problem of non-uniform database connection. features of PDO: Performance. PDO has learned