zendframework/zend-validator
Powerful validation library from Zend Framework for PHP apps. Provides a wide range of reusable validators, input filtering, and custom rule support with clear error messages. Integrates easily into forms and domain validation workflows.
Zend\Validator\File\IsImage checks if a file is an image, such as jpg or png.
This validator is based on the MimeType validator and supports
the same methods and options.
The default list of image file MIME types can be found in the source code.
Please refer to the MimeType validator for options and public methods.
$validator = new Zend\Validator\File\IsImage();
if ($validator->isValid('./myfile.jpg')) {
// file is valid
}
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