How to reference other extended functions in php extension development

Php has many extensions, such as pdo extensions, which encapsulate operations on relational databases. In addition, php can also develop extensions by itself. So, how to use other extended functions in self-developed extensions. For example, if you develop a dll extension by yourself, some functions of the pdo extension will be used in the function. for example, there are many extensions in... php, such as pdo extension, which encapsulates some operations on the relational database. In addition, php can also develop extensions by itself.

So, how to use other extended functions in self-developed extensions.

For example, if you develop a dll extension, some functions of the pdo extension will be used in the function. The question is how to reference the pdo function?

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Php has many extensions, such as pdo extensions, which encapsulate operations on relational databases. In addition, php can also develop extensions by itself.

So, how to use other extended functions in self-developed extensions.

For example, if you develop a dll extension, some functions of the pdo extension will be used in the function. The question is how to reference the pdo function?

I think this is unrealistic. you also know that each extension is independent from other extensions, and each extension does not affect each other.PhpYou can onlyPhpIt is unwise to call other extension methods in the extension,