10 recommended articles about php each() function

Two implementation methods for WeChat mini program pull-down refresh and pull-up loading. 1. Use the "onPullDownRefresh" and "onReachBottom" methods to implement pull-down refresh and pull-up loading for the mini program. 2. Set bindscrolltoupper and bindscrolltolower in scroll-view to achieve this. WeChat mini program pulls down to refresh and pulls up to load. 1. Use the "onPullDownRefresh" and "onReachBottom" methods to directly write the "onPullDownRefresh" and "onReachBottom" methods in the js file; xml &a

1.Detailed introduction about pull-up loading

##Introduction: Two implementation methods for WeChat mini program pull-down refresh and pull-up loading. 1. Use the "onPullDownRefresh" and "onReachBottom" methods to implement pull-down refresh and pull-up loading for the mini program. 2. Set bindscrolltoupper in scroll-view. and bindscrolltolower to implement pull-down refresh and pull-up loading of WeChat applet. 1. Use "onPullDownRefresh" and "...

2.Detailed introduction to the php array_combine() function

Introduction: Please see the following code: before processing, there are two arrays arrTitle and arrHref, where the content of arrTitle is as follows: the content of arrHref is as follows://title Take out the first element in the array and use it as the column title foreach ($arrTitle as &$title) { $text [] = $title[0]; unset($title[0]);}//Take out the first element in the href array, As the column url...

3.Detailed explanation of the implementation method of pull-down refresh and pull-up loading in WeChat applet

Introduction: Two implementation methods for pull-down and pull-up loading of WeChat mini programs. 1. Use the "onPullDownRefresh" and "onReachBottom" methods to implement pull-down and refresh of mini programs. Pull-up loading, 2. Set bindscrolltoupper and bindscrolltolower in scroll-view to implement pull-down refresh and pull-up loading of WeChat applet.

4.Comparison between for loop and foreach loop inC

Introduction: This article mainly introduces the relevant knowledge of for loop and foreach loop in C#, which has a good reference value. Let’s take a look with the editor below

5.Share an example tutorial on the foreach loop problem

Introduction: This article mainly introduces a summary of the problems encountered in the foreach loop. It is very good and has reference value. Friends in need can refer to it

6.Detailed explanation of the "foreach" loop statement example of PHP loop control statement

##Introduction: In PHP, the foreach loop statement is specially used to loop through arrays,

7.The "while" loop statement of PHP loop control statement Detailed explanation of examples

Introduction: In our program development, sometimes we may need to repeatedly use a certain piece of code or a certain function. For example, we need to enter "1*2*3*4...*100". If we let a human If you enter it, it will waste a lot of time and be very cumbersome. However, in this case, there is a good way, which is to use our PHP loop control statement. Using PHP loop control statement, you can quickly complete the calculation. In PHP, we provide four loop control statements: while, do...while, for, and foreach. In this chapter, I will first explain to you the first type of loop control statement, the "while" loop statement.

8.Detailed explanation of usage examples of foreach traversing arrays in php arrays (picture)

Introduction: When we use foreach to traverse an array, we often make mistakes due to unclear concepts. Here is a brief introduction to commonly used foreach operations.

9.php code optimization: php foreach and for speed comparison test example

##Introduction: The efficiency of foreach is much higher than that of for. Perhaps a big reason is that for needs to perform many conditional judgments. So in the future, use foreach wherever you can use it, which can double the efficiency.

10.Detailed explanation of PHP foreach traversing arrays

Introduction: foreach is a convenient way to traverse an array. foreach can only be used on arrays, and an error will occur when trying to use it on other data types or on an uninitialized variable. There are two syntaxes, the second being a less important but useful extension of the first. The first format iterates over the given arrayexpression array. Each time through the loop, the value of the current cell is assigned to $value and the pointer inside the array is moved forward one step (so the next cell will be obtained in the next loop). foreach(arrayexpressio...

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