class.ilMediaImageUtil.php

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<?php

class ilMediaImageUtil
{
    public static function getImageSize(string $a_location): ?array
    {
        try {
            $size = getimagesizefromstring(file_get_contents($a_location));
        } catch (Exception $e) {
            $size = false;
        }

        if (!isset($size) || $size === false) {
            $size = [0,0];
        }
        return $size;
    }
}