Course Elementary  54125

Course Introduction："HTML5 From Beginner to Mastery Tutorial" introduces in detail that HTML5 has added a lot of new content based on HTML, with more functions and more dazzling effects.

Course Elementary  26927

Course Introduction："Javascript Basics Tutorial" will take you to quickly learn the basic knowledge of javascript and explain it through examples, so that you can better understand the javascript scripting language.

Course Elementary  30793

Course Introduction：This tutorial will start from the basics and does not require you to have any programming knowledge. The "HTML Tutorial" contains our knowledge of HTML5, truly achieving a comprehensive learning of HTML.

Course Elementary  24065

Course Introduction："HTML5 Quick Self-Study Tutorial" is suitable for zero-based entry learning of HTML5. HTML5 is the fifth version of HTML development. With the support of browser technology, it has also begun to be widely used. H5 will become the new standard for WEB development. This course will provide readers with Explain all the core features of HTML5.

Course Elementary  90669

Course Introduction："JavaScript Elementary Tutorial" is an introductory course to JavaScript, designed to let everyone know and understand the common knowledge of JavaScript.

Course Introduction：The php array_rand function is used to return random key names in the array, or if you specify that the function returns more than one key name, then return an array containing random key names. Its syntax is array_rand(array,number). The parameter array is required and refers to the specification. array.

2019-05-25 comment 0  3219

Course Introduction：In PHP, we often use arrays. When we need to randomly obtain an element from the array, we can use the built-in function array_rand(). This article will introduce in detail how to use the array_rand() function to achieve random acquisition of array elements. 1. Use of array_rand() function The function of array_rand() function is to randomly return one or more key names in the array. The basic syntax of this function is as follows: arrayarray_rand(

2023-06-26 comment 0  1494

Course Introduction：This article mainly talks about PHP's array_rand() array random value function, and attaches the code, which has certain reference value. Interested friends can learn it.

2019-04-27 comment 0  3104

Course Introduction：The array_rand function in PHP is a very practical function that can help us randomly obtain elements in an array. In actual development, we may often use this function to obtain a single element in an array, but in fact it can also obtain multiple elements. When using the array_rand function, we need to pass in two parameters: the array and the number of random elements to be obtained. For example, we have an array containing 10 elements, and we need to randomly obtain 3 of the elements. You can use the following code

2023-06-26 comment 0  812

Course Introduction：PHP array operation methods include: array_chunk(), array_pop(), array_push(), array_rand(), array_shift(), array_slice(), array_udiff(), arsort(), etc.

2021-04-01 comment 0  3391