What is the significance of the extension_dir directive in the php.ini file when dealing with PHP extensions?

The extension_dir directive in the php.ini file specifies the directory where PHP extensions are located. It is important to ensure that this directive points to the correct directory where the extensions are installed. If the extension_dir is not set correctly, PHP may not be able to load the extensions, resulting in errors or missing functionality. 

extension_dir = "path/to/extensions/directory"

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extension_dir php.ini PHP extensions significance directive

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