php array average

Calculate the average value of an array. Calculate the average value of a two-dimensional array. The code is as follows:Copy code $ Array = array (Array ('class' => 'A', 'value' => 3 ),Array ('class' => 'A', 'value' => 4 ),Array ('class' => 'B',

PHP's method for calculating the average value of an exclusive multi-dimensional array is just to traverse the array. Is there any other way to achieve this? Let's take a look at it. PHP's method for calculating the average value of an exclusive

Input: Array. all values are non-negative integers. target: convert each value of the array to the average value of all values, and use the least number of iterations transformation method: subtract one from each value, add one to the value next to

Chapter 4 data processing-php Array Processing-zheng AQI, a friend of php learning must pay attention to it. php arrays are commonly used. Chapter 4 data processing-php Array Processing-zheng AQI, a friend of php learning must pay attention to it.

In PHP, the common way to find multi-dimensional arrays is recursively, as in the following code $count =0; $sum = 0;function Avgarr ($arr){Global $sum, $count; Global variablesforeach ($arr as $value) {//Loop traversal arrayif (Is_array ($value)) {

-Keyboard input Four student number name Chinese mathematics English information, calculate the average score of each student, output -The student's information includes the school number name Chinese mathematics English average score, 4 student's

Use php array functions for functional programming and php Array Function Programming Because of a BUG, I found the following code in one of the corners of a project that almost collapsed. This program is closely related to the BUG. I tried this

PHP array is more commonly used, so I studied the PHP array loop operation, here to share with you, I hope to be useful. PHP is basically an array language. Often to do a large number of PHP array loop operation, there are two main ways, one is

1. Array Processing: 1.1 Creation and initialization of arrays: The 1.arrary () function creates an array, by default 0 elements are the first element of the array, Count () and sizeof () function to get the number of data elements 2. Using

The strange problem with the PHP Array is as follows: PHPcode $ arr1 contains the data obtained from the database, and print_r is as follows: Array ([0] = & gt; 30544 [1] = & gt; 30544 [2] = & gt; 30532 [3] Strange PHP array problems As follows: