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How to use PHP's Ctype extension?
Article Introduction:PHP is a very popular programming language that allows developers to create a wide variety of applications. However, sometimes when writing PHP code, we need to handle and validate characters. This is where PHP's Ctype extension comes in handy. This article will introduce how to use PHP's Ctype extension. What are Ctype extensions? The Ctype extension for PHP is a very useful tool that provides various functions to verify the character type in a string. These functions include isalnum, is
2023-06-03
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