(PECL imagick 2, PECL imagick 3)
Imagick::pingImage — Fetch basic attributes about the image
public Imagick::pingImage ( string $filename ) : bool
This method can be used to query image width, height, size, and format without reading the whole image in to memory.
filename
The filename to read the information from.
Returns true on success.
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https://www.php.net/manual/en/imagick.pingimage.php