PHP脚本的10个技巧(7)
PHP和Java
PHP功能的另外一个高招是其调用已有Java对象的方法的能力,这种功能可以让你把PHP集成进已有的基于Java的应用程序。如果你正在你的工作场合推广PHP ,那你算找到可大吹特吹的靓点了,你知道,Java这玩艺儿无处不在。
为了用到这一功能,你需要在服务器上安装Java虚拟机(JVM)。如果你打算安装(或已经安装了)来自Sun、Kaffe、IBM或Blackdown的JDK,那你现在可谓已入正途。
当你配置PHP的时候,你将需要给配置指令增加--with-java参数,然后修改你的php.ini文件。php.ini 中通常要修改的是下列各行:
[Java]
java.library.path=/path/to/library
java.class.path=/classpath/
extension_dir=/path/to/extensions
extension=libphp_java.so
然而,请注意,以上的这些修改都取决于你的安装类型。你应该阅读你的PHP安装目录下的ext/java目录中的README文件以了解更多有关Java功能设置的信息。
以下有一个简单的例子:创建新Java对象的PHP脚本。该脚本将随后获得某些Java属性并打印出来。这同时也是一个很不错的COM例子。
$system = new Java("java.lang.System");
echo "
Java version = " . $system->getProperty("java.version") . "
";
echo "Java vendor = " . $system->getProperty("java.vendor") . "
?>
如果你已经掌握了Java方面的知识,那你一定要帮助开发者做好这个项目。这些类型的集成功能必然是将来PHP发展和为人所接受的关键,因此,有更多人的人做这些工作,PHP的未来就会更加美好。

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

Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Article

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

JWT is an open standard based on JSON, used to securely transmit information between parties, mainly for identity authentication and information exchange. 1. JWT consists of three parts: Header, Payload and Signature. 2. The working principle of JWT includes three steps: generating JWT, verifying JWT and parsing Payload. 3. When using JWT for authentication in PHP, JWT can be generated and verified, and user role and permission information can be included in advanced usage. 4. Common errors include signature verification failure, token expiration, and payload oversized. Debugging skills include using debugging tools and logging. 5. Performance optimization and best practices include using appropriate signature algorithms, setting validity periods reasonably,

A string is a sequence of characters, including letters, numbers, and symbols. This tutorial will learn how to calculate the number of vowels in a given string in PHP using different methods. The vowels in English are a, e, i, o, u, and they can be uppercase or lowercase. What is a vowel? Vowels are alphabetic characters that represent a specific pronunciation. There are five vowels in English, including uppercase and lowercase: a, e, i, o, u Example 1 Input: String = "Tutorialspoint" Output: 6 explain The vowels in the string "Tutorialspoint" are u, o, i, a, o, i. There are 6 yuan in total

This tutorial demonstrates how to efficiently process XML documents using PHP. XML (eXtensible Markup Language) is a versatile text-based markup language designed for both human readability and machine parsing. It's commonly used for data storage an

Static binding (static::) implements late static binding (LSB) in PHP, allowing calling classes to be referenced in static contexts rather than defining classes. 1) The parsing process is performed at runtime, 2) Look up the call class in the inheritance relationship, 3) It may bring performance overhead.

Java 8 introduces the Stream API, providing a powerful and expressive way to process data collections. However, a common question when using Stream is: How to break or return from a forEach operation? Traditional loops allow for early interruption or return, but Stream's forEach method does not directly support this method. This article will explain the reasons and explore alternative methods for implementing premature termination in Stream processing systems. Further reading: Java Stream API improvements Understand Stream forEach The forEach method is a terminal operation that performs one operation on each element in the Stream. Its design intention is

What are the magic methods of PHP? PHP's magic methods include: 1.\_\_construct, used to initialize objects; 2.\_\_destruct, used to clean up resources; 3.\_\_call, handle non-existent method calls; 4.\_\_get, implement dynamic attribute access; 5.\_\_set, implement dynamic attribute settings. These methods are automatically called in certain situations, improving code flexibility and efficiency.

In PHP, you can effectively prevent CSRF attacks by using unpredictable tokens. Specific methods include: 1. Generate and embed CSRF tokens in the form; 2. Verify the validity of the token when processing the request.

In PHP8, match expressions are a new control structure that returns different results based on the value of the expression. 1) It is similar to a switch statement, but returns a value instead of an execution statement block. 2) The match expression is strictly compared (===), which improves security. 3) It avoids possible break omissions in switch statements and enhances the simplicity and readability of the code.
