Commonly used array operation functions in php (1/8)

Home

Backend Development

PHP Tutorial

Commonly used array operation functions in php (1/8)_PHP tutorial

WBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWB

Jul 13, 2016 pm 05:13 PM

php 。 element common function and operate array yes have use type

An array is a set of elements that share certain characteristics, including similarity and type.
Each element is distinguished by a special identifier, called a key, and each key has a value
1. Two ways to create an array:
1.1 Use array() function

The code is as follows

Copy code

代码如下

复制代码

$usernames = array ('Alerk', 'Mary', 'Lucy', 'Bob', 'Jack', 'John', 'Mark' );
foreach ( $usernames as $name )
{
echo $name . '
';
}
?>

output
Alerk
Mary
Lucy
Bob
Jack
John
Mark

$usernames = array ('Alerk', 'Mary', 'Lucy', 'Bob', 'Jack', 'John', 'Mark' );

foreach ( $usernames as $name )

代码如下

复制代码

$numbers = range ( 0, 10 );
foreach ( $numbers as $num )
{
echo $num . '
';
}
$letters = range ( 'a', 'z' );
foreach ( $letters as $letter )
{
echo $letter . '
';
}
?>

output
0
1
2
3
4
5
6
7
8
9
10
a

c
d
e
f
g
h
i
j
k
l
m

q
r

t
u
v
w
x
y
z

{

echo $name . '
';
}

代码如下

复制代码

//range的第三个参数表示步长
$numbers = range(1,10,2);
for($i = 0;$i {
echo $numbers[$i].'
';
}
?>

output
1
3
5
7
9

output

Alerk

Mary

Statement of this Website

The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

Hot AI Tools

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress images for free

Clothoff.io

AI clothes remover

AI Hentai Generator

Generate AI Hentai for free.

Hot Article

R.E.P.O. Energy Crystals Explained and What They Do (Yellow Crystal)

2 weeks ago By 尊渡假赌尊渡假赌尊渡假赌

How Long Does It Take To Beat Split Fiction?

1 months ago By DDD

R.E.P.O. Best Graphic Settings

2 weeks ago By 尊渡假赌尊渡假赌尊渡假赌

Assassin's Creed Shadows: Seashell Riddle Solution

1 weeks ago By DDD

R.E.P.O. How to Fix Audio if You Can't Hear Anyone

2 weeks ago By 尊渡假赌尊渡假赌尊渡假赌

Hot Tools

Notepad++7.3.1

Easy-to-use and free code editor

SublimeText3 Chinese version

Chinese version, very easy to use

Zend Studio 13.0.1

Powerful PHP integrated development environment

Dreamweaver CS6

Visual web development tools

SublimeText3 Mac version

God-level code editing software (SublimeText3)

Hot Topics

Where is the login entrance for gmail email?

7403

Java Tutorial

1630

CakePHP Tutorial

1358

Laravel Tutorial

1268

PHP Tutorial

1218

Related knowledge

CakePHP Project Configuration Sep 10, 2024 pm 05:25 PM

In this chapter, we will understand the Environment Variables, General Configuration, Database Configuration and Email Configuration in CakePHP.

PHP 8.4 Installation and Upgrade guide for Ubuntu and Debian Dec 24, 2024 pm 04:42 PM

PHP 8.4 brings several new features, security improvements, and performance improvements with healthy amounts of feature deprecations and removals. This guide explains how to install PHP 8.4 or upgrade to PHP 8.4 on Ubuntu, Debian, or their derivati

CakePHP Date and Time Sep 10, 2024 pm 05:27 PM

To work with date and time in cakephp4, we are going to make use of the available FrozenTime class.

CakePHP File upload Sep 10, 2024 pm 05:27 PM

To work on file upload we are going to use the form helper. Here, is an example for file upload.

CakePHP Routing Sep 10, 2024 pm 05:25 PM

In this chapter, we are going to learn the following topics related to routing ?

Discuss CakePHP Sep 10, 2024 pm 05:28 PM

CakePHP is an open-source framework for PHP. It is intended to make developing, deploying and maintaining applications much easier. CakePHP is based on a MVC-like architecture that is both powerful and easy to grasp. Models, Views, and Controllers gu

CakePHP Working with Database Sep 10, 2024 pm 05:25 PM

Working with database in CakePHP is very easy. We will understand the CRUD (Create, Read, Update, Delete) operations in this chapter.

CakePHP Creating Validators Sep 10, 2024 pm 05:26 PM

Validator can be created by adding the following two lines in the controller.

See all articles