file_is_valid_image() WordPress Function

The file_is_valid_image() function is a utility function that allows you to check if a given file is a valid image file. This is useful when you want to allow users to upload images to your website, for example. The function returns true if the file is a valid image, and false otherwise.

file_is_valid_image( string $path ) #

function file_is_valid_image( $path ) {
	$size = wp_getimagesize( $path );
	return ! empty( $size );
}