php average function

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',

ObjectiveIn any language, a function is the most basic constituent unit. What are the features of PHP functions? How is a function call implemented? What is the performance of PHP functions and what are the suggestions for using them?This paper will

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

Php functions-use of system function recursive functions to reuse function constructors. Php Tutorial function-system function recursive function reuse function constructor using ** 1. internal Function: PHP can declare a function within the

A statistical table of blood pressure is to be done recently. For example, the database is this: UserID Sys Dia PUL time ---------------------------------------------------- User1 88 90 78 time stamp User2 93 100 90 Time stamp ........ ........ ...

[Switch] what are CGI, FastCGI, PHP-CGI, PHP-FPM, and Spawn-FCGI? Reprinted from: Http://hi.baidu.com/fxchby/blog/item/c041ef0d6c510bf3aa6457dd.html Http://www.mike.org.cn/articles/what-is-cgi-fastcgi-php-fpm-spawn-fcgi/ What is CGI? CGI is

50 useful PHP tools and 50 useful PHP toolsPHP is one of the most widely used open-source server scripting languages. Of course, PHP is not the fastest, but it is the most commonly used scripting language. There are 50 useful PHP tools, which can

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)) {

PHP, which has just made a historic breakthrough in the programming language ranking in September, is probably the most powerful opponent in the Web development field, namely ASP. NET based on Microsoft. NET technology. Recently, Microsoft's

This article is originally from abroad this article: PHP performance Evolution 2016, thanks to the high-availability architecture of the public number translated into the Chinese version, here is reproduced in the highly available architecture