PHP Libraries

String processing class

php call class with string name

String processing class

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php call class with string nameIntroducing a php method of calling a class using a string name. Friends in need can download it for reference, or modify it and improve it into their own class. If your friends have better codes, you can send them to share with us.

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What is the way to call a class with string name in PHP

26Feb2021

PHP uses the string name to call the class method: 1. Use the [call_user_func] method, the code is [call_user_func(array($game, 'Play'), 1)]; 2. Use the Play method, the code is [$game-> {'Play'}(2)].

PHP uses the name of a string to call a class development idea sharing

15Aug2017

In the previous article, we introduced the example analysis of PHP dynamically generating objects based on string class names. We introduced PHP to dynamically generate objects based on string names. So what we introduce today is similar to the previous section. It is also used by PHP. The name of the string to call the class idea development!

PHP error: Solution to using illegal string as class name!

18Aug2023

PHP error: Solution to using illegal string as class name! When programming in PHP, we often encounter error messages. One of the common errors is "PHPFatalerror:UncaughtError:Class'xxx'notfound". This error usually occurs when we try to instantiate a class that does not exist or use an illegal string as the class name. This problem easily occurs in PHP, especially when there are a large number of dynamically generated

Use Java's String.isEmpty() function to determine whether a string is empty

24Jul2023

Use Java's String.isEmpty() function to determine whether a string is empty. In programming, you often encounter the situation of determining whether a string is empty. Java provides the isEmpty() function of the String class, which can easily determine whether a string is empty. The String class is a commonly used string processing class in Java and provides a large number of methods for processing character sequences. Among them, isEmpty() is a method in the String class, used to determine whether the string is empty.

PHP image processing class, thumbnail, watermark_PHP tutorial

20Jul2016

PHP image processing class, thumbnail, watermark. php image processing class, thumbnail, watermark class Image { /** * @var string $fileName file name * @access private */ private $fileName = ''; /** * @var gd resource $imageResource original image

String processing techniques in C++

22Aug2023

In C++, string is a very common data type. Moreover, string processing is also a very important link in programming. This article will introduce some commonly used string processing techniques in C++, hoping to be helpful to readers. 1. String class in C++ In C++, string is a class contained in the header file <string>. There are many member functions in the string class. Here are some commonly used member functions: 1. append() function

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