Course Intermediate  17090

Course Introduction：There has been a rumor in the world that "PHP is the best language in the world". Is it true or false? Don't you want to find out? This set of courses starts from the most basic PHP syntax, from the shallower to the deeper, giving you a different learning experience.

Course Elementary  20452

Course Introduction：PHP array functions allow you to access and manipulate arrays, supporting single-dimensional and multi-dimensional arrays. Array functions are a core part of PHP. No installation is required to use these functions. "PHP Function: Array Array Function Video Explanation" explains the syntax, parameters, return values, etc. of PHP array functions, and provides examples of functions through the PHP editor to help PHP learners better understand and use array functions.

Course Intermediate  5739

Course Introduction：The three most important core technologies in JavaScript are: functions, objects and closures. It can be seen that functions always occupy the core position and are first-class citizens in JavaScript. It can be said that everything in JavaScript comes from functions. .

Course Elementary  14125

Course Introduction：PHP string functions belong to the core part of PHP. No installation is required to use these functions. "PHP Function String String Function Video Explanation" explains the syntax, parameters, return values, etc. of PHP string functions, and runs examples of various string functions in the browser through the PHP editor to help PHP learners learn more Good to learn and use string functions.

Course Elementary  2172

Course Introduction：Delphi6 function encyclopedia

Course Introduction：As the amount of data continues to grow and business needs continue to become more complex, the types of data in the database are becoming more and more diverse. In practical applications, we often need to convert between different data types, which inevitably requires the use of some conversion functions. MySQL is a commonly used relational database management system that provides many built-in data types and conversion functions. This article will introduce the commonly used conversion functions in MySQL to facilitate readers to convert data types in practical applications. 1. Conversion function definition The conversion function in MySQL is a set of functions that can convert different

2023-05-12 comment 0  975

Course Introduction：The PHP base conversion functions are as follows: bindec() — Convert binary to decimal decbin() — Convert decimal to binary dechex() — Convert decimal to hexadecimal decoct() — Convert decimal to octal hexdec() — Hexadecimal Convert to decimal octdec() - Convert octal to decimal base_convert() - The application of converting numbers between any bases is explained as follows: 1. Decimal system (decimal system) conversion function...

2016-11-24 comment 0  5503

Course Introduction：MySQL is a relational database management system with a wide range of application scenarios. When processing data, it is often necessary to convert between different formats. MySQL provides many conversion functions to convert data from one format to another. This article will introduce MySQL conversion functions and illustrate them with examples. 1. CAST function The CAST function is used to convert one data type into another data type. Its basic syntax is: CAST (expr AS type) where expr is the expression to be converted and type

2023-05-23 comment 0  3067

Course Introduction：PHP time zone conversion conversion function. Copy the code as follows: /* * Time zone conversion*/ function toTimeZone($src, $from_tz = 'America/Denver', $to_tz = 'Asia/Shanghai', $fm = 'Y-m-d H:i:s') { $ datetime = new DateTime($sr

2016-07-13 comment 0  924

Course Introduction：In-function type conversion allows data of one type to be converted to another type, thereby extending the functionality of the function. Use syntax: type_name:=variable.(type). For example, you can use the strconv.Atoi function to convert a string to a number and handle errors if the conversion fails.

2024-04-19 comment 0  1234