current location:Home > php中的isset和array_key_exists函数的区别 search
Found a total of 21313 related content
-
- jQuery imitates the brightening and darkening effect of Jingdong pictures
- jQuery imitates the brightening and darkening effect of Jingdong pictures. After hovering the mouse over the picture, the picture becomes brighter and other pictures become darker. Move the mouse away and all pictures will become brighter. Compatible with mainstream browsers, PHP Chinese website recommends downloading! Instructions: 1. The head area refers to the file lrtk.css and js library. animate.js is an animation function written separately. <link href=" css/lrtk.css" rel="stylesheet"/>
- 2017-03-11 47 1602
-
- jQuery small2big image zoom plug-in
- jQuery small2big image scaling plug-in, compatible with mainstream browsers, recommended download on PHP Chinese website! Instructions: 1. The head area references files css and js libraries 2. Add html code to the file. One li corresponds to one picture. The pictures in the images folder are named 1.jpg, 2.jpg, ... <ul class="s2b_col" id="s2b_col">
- 2017-03-11 56 1713
-
- Mobile Happy Scratch HTML5 plug-in
- The mobile Happy Scratch HTML5 plug-in is a mobile H5 Scratch plug-in suitable for Double 12 activities.
- 2024-02-29 5 343
-
- HTML5 paper folded into gift box animation special effects
- The HTML5 paper folding into gift box animation effect is a Christmas gift animation effect implemented in CSS that is suitable for Christmas or any holiday.
- 2024-02-29 5 327
-
- Pure CSS3 retro film player special effects
- Pure CSS3 retro film player special effects is a simple film music player and film recording player special effects.
- 2024-02-29 6 478
-
- Travel hotel booking car rental service website template
- One-stop service website template for travel hotel booking and car rental is a travel website template download suitable for providing one-stop service for hotel booking and car rental. Tip: This template calls the Google font library, and the page may open slowly.
- 2024-01-17 48 673
-
- Internet data SEO service website template
- Internet data SEO service website template is a promotional website template download suitable for Internet companies that provide SEO, data analysis, software development and other services. Tip: This template calls the Google font library, and the page may open slowly.
- 2024-01-17 18 778
-
- Beauty and skin care SPA industry website template
- The beauty and skin care SPA industry website template is a website template download suitable for promotion of the beauty, skin care and medical beauty industry. Tip: This template calls the Google font library, and the page may open slowly.
- 2024-01-17 59 548
-
- Responsive HTML5 Explore World Travel Website Template
- The responsive HTML5 Explore the World Travel website template is a downloadable website template suitable for travel industry promotion. Tip: This template calls the Google font library, and the page may open slowly.
- 2024-01-17 45 557
-
- HTML5 environmental protection and animal protection website template
- HTML5 environmental protection and animal protection website template is a website template suitable for environmental and animal protection promotion website template download. Tip: This template calls the Google font library, and the page may open slowly.
- 2024-01-17 56 625
-
- PHP and MySQL in Dynamic WEB Sites: The Intuitive QuickPro Guide 2nd Edition
- PHP and MySQL in Dynamic WEB Websites reflect the needs of actual programs in detail, carefully exploring the validation of external data (such as the format of a credit card number), user login, and how to use templates to establish a standard appearance for web pages. The content of PHP and MySQL in dynamic WEB websites is not just these. The book also mentions how to connect JavaScript and PHP to make user operations faster and more convenient. There are also ways to properly handle user input errors to make your website look more professional. In addition, a large number of powerful functions from the PEAR plug-in function library are introduced to support commonly used and powerful packages.
- 2017-12-09 372 3107764
-
- A collection of tips for using PHP
- PHP's unique syntax is a mix of C, Java, Perl, and PHP's own innovative syntax. It can execute dynamic web pages faster than CGI or Perl. Compared with other programming languages, dynamic pages made with PHP embed programs into HTML documents for execution, and the execution efficiency is much higher than CGI that completely generates HTML tags. Here are ten advanced PHP application tips. 1. Use the ip2long() and long2ip() functions to convert the IP address into an integer and store it in the database
- 2017-12-08 325 3111614
-
- Web page production and PHP language application
- The book "Web Page Production and PHP Language Application" was published by Wuhan University Press in 2006. This book is one of the series of online communication textbooks for ordinary colleges and universities. It mainly explains the basic knowledge and practice of web page production, as well as the use of PHP language in network communication. applications in. The book covers: basic knowledge of HTML, basic syntax of PHP, commonly used functions in PHP programs, basic operations of database software MySQL, web page encryption and authentication, dynamic generation of images, construction of MySQL and multimedia material libraries, etc.
- 2017-12-08 321 3111501
-
- PHP network programming technology and examples (Cao Yanlong)
- Detailed explanation of PHP network programming technology from shallow to deep, comprehensively and systematically introduces PHP development technology, and provides a large number of examples for readers to practice in practice. In addition, the author has specially recorded corresponding supporting teaching videos for this book to help readers better learn the content of this book. These videos are included on the companion CD together with the example source code in the book. This book is divided into 4 parts. The first part is PHP preparation, which introduces the advantages, development environment and installation of PHP; the second part is PHP basics, which introduces constants and variables, operators and expressions, process control and functions in PHP; the third part is This is an advanced chapter, an introduction.
- 2017-12-08 271 3111495
-
- Comprehensive practical (Vue3+Laravel8+Uniapp) courseware
- Comprehensive practical (Vue3+Laravel8+Uniapp) courseware
- 2023-06-26 34 1340
-
- Clown popping out of the box design April Fools' Day vector material (AI+EPS)
- This is an April Fool's Day vector material designed by a clown popping out of a box. It is available in AI and EPS formats, including JPG preview.
- 2023-08-31 0 378
-
- Red-nosed clown popping out of the box design April Fools' Day vector material (AI+EPS)
- This is an April Fool's Day vector material designed by a red-nosed clown popping out of a box. It is available in AI and EPS formats, including JPG preview.
- 2023-08-31 0 348
-
- Colorful beautiful floral design spring background vector material (AI+EPS)
- This is a spring background vector material designed with colorful and beautiful flowers. It is available in AI and EPS formats, including JPG preview.
- 2023-08-31 1 368
-
- 14 different types of dinosaur vector materials (EPS+PNG)
- This is a different kind of dinosaur vector material, available in EPS and PNG formats, including JPG preview.
- 2023-08-31 1 508
-
- Tyrannosaurus rex with open mouth side vector material (EPS+PNG)
- This is a side vector material of a Tyrannosaurus rex with its mouth open. It is available in EPS and PNG formats, including a JPG preview.
- 2023-08-31 0 386
-
- MATLAB function help document Chinese WORD version
- A function is a set of statements that work together to perform a task. In MATLAB, functions are defined in separate files. The file names of the file functions should be the same. Functions operate in their own workspace, which is also called the local workspace, independent of the workspace, accessed at the MATLAB command prompt, which is called the base workspace variable. Functions can accept multiple input parameters and may return multiple output parameters. MATLAB is a programming language developed by The MathWorks Company. It was originally a matrix programming language that made linear algebra programming easy. It can be run on
- 2024-01-18 1 632
-
- Python website development guide WORD version
- This document mainly talks about the guidelines for developing websites in Python; HTML is the universal language of the Internet, a simple and universal all-in-one markup language. It allows web page producers to create complex pages that combine text and images. These pages can be browsed by anyone else on the Internet, no matter what type of computer or browser is used. Python, like other programming languages, has its own set of processes. Control statements, and the syntax of these statements is similar to other programming languages. They all have keywords such as for, if, and while to express the program flow. I hope this document will help friends in need
- 2024-01-25 0 979
-
- mod_python 3.2.8 Chinese manual doc version
- mod_python 3.2.8 Chinese manual provides the Chinese manual of Mod_python 3.2.8, which is a good material for learning Mod_python. Interested friends can refer to it. mod_python originated from the Httpdapy project (1997). Much later Httpdapy was called mod_python because Httpdapy was not specific to the apache server. Httpdapy was designed to be cross-platform, but actually started primarily with Netscape servers (
- 2024-01-25 0 923
-
- python basic tutorial to lesson 60_python basic information word version
- Basic python tutorial to lesson 60. This tutorial introduces to you at the beginning, why to learn python, what are the advantages of python, etc. It will really make you want to learn python quickly. Why use Python as an introductory programming language? the reason is simple. Every language has its supporters and detractors. Go to Google "why python" and you will get a lot of results, such as wide range of applications, open source, active community, rich libraries, cross-platform, etc. You may also find
- 2024-01-25 0 1072
-
- Python introductory tutorial Chinese WORD version
- Python is an efficient language. The reading and writing operations are very simple. Just like ordinary English, Python is an interpreted and executed language. We do not need to compile, we only need to write the code to run. Python is an oriented language. The language of objects, everything in Python is an object. Python is a very interesting language; interested friends can come and take a look.
- 2024-01-25 0 656
-
- PHPMailer
- PHPMailer - A full-featured email creation and delivery class for PHP. Supports UTF-8 content as well as 8-bit, base64, binary and quoted-printable encodings. Provides SMTP authentication for LOGIN, PLAIN, CRAM-MD5 and XOAUTH2 mechanisms over SMTPS and SMTP+STARTTLS transports. Automatically verify email addresses. Many PHP developers need to send emails from their code. The only PHP function that directly supports this is mai
- 2023-08-18 15 4632
-
- WIKINDX
- Reference management, document management, citations and more. Designed by scholars for scholars, continuously developed since 2003 and used by individuals and major research institutions worldwide, WIKINDX is a virtual research environment (enhanced online literature manager) that stores searchable references, notes, documents, Quotes, thoughts, etc. The integrated WYSIWYG word processor exports formatted articles to RTF and HTML. Plug-ins include a citation style editor and import/export of references (BibTeX, Endnote, RIS, etc.). WIKINDX supports every reference text
- 2023-10-07 23 4395
-
- CiviCRM
- CiviCRM is an open source and free to download member relationship management solution for advocacy, non-profit and other organizations. For more information, visit http://civicrm.org
- 2023-10-07 24 4482
-
- Joomla
- Joomla! is an award-winning content management system (CMS) that allows users to build websites and powerful online applications. It's very easy to use, stable and secure, with thousands of free extensions and templates.
- 2023-09-25 20 3945
-
- phpList
- phpList provides open source email marketing services, including analysis, list segmentation, content personalization and bounce processing. The rich technical functions and secure and stable code base are the result of 17 years of continuous development. Used in 95 countries, available in more than 20 languages, and used in 25 billion email campaigns sent last year. You can deploy it with your own SMTP server or get a free hosting account at http://phplist.com.
- 2023-09-18 15 4111
-
- PHP function class for Simplified Chinese and Traditional Chinese interchangeability
- PHP function class for Simplified Chinese and Traditional Chinese interchangeability
- 2017-04-22 216 2399
-
- A collection of 50 excellent classic PHP algorithms
- Classic PHP algorithm, learn excellent ideas and expand your thinking
- 2020-03-26 2147 24412
-
- PHPExcel-1.8 class library (worth collecting!)
- PHPExcel PHP class library for operating Office Excel documents
- 2018-09-26 11352 90802
-
- Encryption PHP library for generating unique strings from integers
- Encryption PHP library for generating unique strings from integers
- 2018-01-23 307 9388
-
- Annotation-based PHP encryption library
- Annotation-based PHP encryption library
- 2018-01-23 177 7749