laminas/laminas-validator
Validation component for PHP and Laminas applications. Provides a wide range of ready-to-use validators (strings, numbers, dates, files, and more), consistent error messages, and an extensible API to create custom validators and input filtering rules.
Laminas\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.
$validator = new Laminas\Validator\File\IsImage();
if ($validator->isValid('./myfile.jpg')) {
// file is valid
}
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