php function declaration

PHP function declaration and Usage Details, php function Usage Details Function 1. The function name is one of the identifiers. It can only contain letters, numbers, underscores (_), and cannot start with a number; The name of the function must

Php array declaration, traversal, array global variables. Php Tutorial array declaration, traversal, array global variable [php]? ** 1. Array Overview * 1. the essence of arrays: managing and operating a group of variables, batch processing * 2.

Php learning notes function declaration. Copy the code as follows :? Php * function definition: * 1. the function is named * 2. independent code segment * 3. the Function executes a specific task * 4. it can return a value to the program that calls

function 1. Function name is one of the identifiers, can only have alphanumeric underline, the beginning can not be a number;The naming of function names must conform to the "small Hump Rule" func (), Func (), Func ();function names are

This article mainly introduces the function declaration and use in PHP, the need for friends can refer to the following Function 1. Function name is one of the identifiers, can only have alphanumeric underline, the beginning can not be a

Stupid bird php (5) function declaration and use 1. function declaration & lt ;? Php *** function name (parameter 1, parameter 2 ....) {* function body; * return value; *} * $ sumsum (3,4); echo $ sum; functionsum ($ x, $ y) {$ sum0; $ sum $ x * $ x

The range of variables in PHP1. Local variables: variables declared in a function are local variables and can only be used inside their own functions.2. Global variables: Out-of-function declaration, after the variable declaration, until the end of

The php7.2 version has new features, features and improvements that allow us to write better code, and in the following article I will describe a new feature in php7.2: parameter type declaration, say no more, let's take a concrete look at the text

PHP Tutorial Configuration Chinese Narration Let's see what you see, php.ini. [PHP] ;;;;;;;;;;;; WARNING;;;;;;;;;;;;; This is the default settings file for new PHP installations.; By default, PHP installs itself with a configuration suitable for;

How does php declare an array? There are two main ways to declare arrays in PHP: one is to apply the array () function to declare arrays, and the other is to directly declare arrays by assigning values to array elements. (What is a PHP array ?) Here,