Course Elementary 20310
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 Elementary 14009
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 2096
Course Introduction：Delphi6 function encyclopedia
Course Intermediate 5634
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 Intermediate 16982
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.
How can a function within a function call a variable of the parent function?
var_dump(function_exists('b')); // false function a(){ $var = 123; function b(){ &nb
2022-12-05 19:48:12 0 0 577
The teacher told me where to find the functions provided by WeChat?
2018-05-14 21:27:13 0 2 1130
Calling a function without using print(function()) format? ?
2020-07-23 00:07:01 0 1 1251
javascript - Questions about function closures and passing functions as parameters
2017-06-26 10:50:31 0 3 767
javascript - Problem with function parameter default value being function in ES6?
2017-07-05 11:09:13 0 4 1283
Course Introduction：If there is a world in the Excel function circle, then the CHOOSE function can definitely be regarded as a sweeper. It is not as powerful as the IF function, but its capabilities are even better. Today Xiaohua will take you to have a good look at the CHOOSE function, which is ignored by most people!
2023-01-28 comment 0 1862
Course Introduction：The "choose" function is often used in programming to select an element or a group of elements. Usage will vary based on different programming languages and libraries. Detailed introduction: 1. In Python, you can use the "choose" function to select an element from a list; 2. In C++, you can use the "choose" function to select an element from an array; 3. In MATLAB, you You can use the "choose" function to select an element from a matrix.
2023-11-17 comment 0 1072
Course Introduction：The callback function passes a function as an argument to the called function. If a parameter of type callback appears in the format description of a function, the function is a callback function.
2017-05-12 comment 0 2297
Course Introduction：Common functions in PHP: custom functions, callback functions, recursive functions, etc.
2016-07-25 comment 0 1141