PHP

PHP engineers and php engineers I. http/https protocol, TCP/IP protocol, websocket, session, cookie     Ii. php: oop, thinkphp5, laravel     Iii. mysql, memcache, and redis 3.1 mysql interview questions 3.1.1 MySQL replication principles and

This article mainly introduces the Chinese sorting method of UTF8 encoding in PHP and MYSQL. The example shows the sorting method based on pinyin, for more information about UTF8 encoding in PHP and MYSQL, see the following example. The specific

This article describes how to install PHPMSSQL extension in Linux. the environment in this article is SUSELinuxEnterpriseServer10SP3. Other systems are similar. if you need it, you can refer to PHP to provide excellent support for MySQL, however, it

This article mainly introduces the php method for obtaining the root domain name. The example summarizes common methods for obtaining the root domain name by php, which is a very practical technique, for more information about how to obtain the root

This article mainly introduces how to implement the nested loop of data in Thinkphp by category. it is a practical technique applicable to the Association of nested loops, for more information about how to implement nested loops of data in Thinkphp,

This article describes how to implement anti-Leech protection for image files and downloaded files in php, including common operation methods and server-side configuration methods, which are of great practical value, for more information about how

This article mainly introduces the usage of several predefined variables $ _ SERVER in php. the instance summarizes common usage of the predefined variable $ _ SERVER on the SERVER, you can refer to the examples in this article to summarize the

This article mainly introduces the usage of the chdir () function in php, and describes how to switch directories using chdir in the form of an instance, for more information about the chdir () function in php, see the example in this article. Share

This article mainly introduces how php outputs a specified date using the date and strtotime functions. The example summarizes the methods used to generate various date formats, which is of great practical value, for more information about how to

This article mainly introduces the usage of php character comparison functions similar_text, strnatcmp, and strcasecmp, and analyzes in detail the usage of these three string comparison functions in the form of examples, which is of great practical

Here, we will briefly introduce the usage of non-greedy pattern matching in php regular expressions through examples. if you need it, let's take a look at it. we usually write it like this: The code is as follows: $ Str =

This article mainly introduces thinkphp's static cache usage and analyzes in detail the static cache configuration methods and related operation skills, which has some practical value, for more information about thinkphp static cache usage, see this

This article mainly introduces the Session usage in ThinkPHP, and analyzes the common session operation skills in ThinkPHP and the handling methods of invalid sessions in the form of examples, thinkPHP is a very practical technique for project

This article mainly introduces how ThinkPHP connects to the database, including the definition of the project configuration file, parameter passing through the DSN method, parameter passing through the array, and definition in the model class, which

This article mainly introduces how PHP converts scientific notation to the original numeric string. it is a very practical technique to implement this function through a simple custom function using regular expression replacement, for more

This article describes how to use php to determine the file upload type and filter unsafe data. it can filter insecure characters in $ _ COOKIE, $ _ POST, and $ _ GET, it is very practical. if you need it, you can refer to the following example to

This article mainly introduces the native function of php to remove html tags. for details, refer to strip_tags to remove HTML and PHP tags. Syntax: string strip_tags (string str); return value: string function type: data processing content

This article mainly introduces how to solve the problem of insufficient permissions for PHP to call Linux commands. This article summarizes the solution to the project problem and solves the problem of no permission to execute commands by modifying

This article describes how to obtain the length of an array or the number of occurrences of a value in PHP. The example shows how to use count () and array_count_value, for more information about how to obtain the length of an array or the number of

This article mainly introduces the solution to global failure of global variables caused by multiple php include operations. The example analyzes the principle and solution of $ GLOBALS failure, which has some reference value, for more information,