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Separate image rotation check into its own method in FileHandler

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This commit is contained in:
Kijin Sung 2022-12-20 19:17:43 +09:00
parent 42baab1c2c
commit 270f84abe9
2 changed files with 39 additions and 17 deletions
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32
classes/file/FileHandler.class.php
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@ -485,6 +485,38 @@ class FileHandler
return true;
}
/**
* Check if image needs rotation
*
* @param string $filename
* @return int|bool 0, 90, 180, 360, or false
*/
public static function checkImageRotation(string $filename)
{
if (function_exists('exif_read_data'))
{
$exif = @exif_read_data($filename);
if($exif && isset($exif['Orientation']))
{
switch ($exif['Orientation'])
{
case 3: return 180;
case 6: return 270;
case 8: return 90;
default: return 0;
}
}
else
{
return false;
}
}
else
{
return false;
}
}
/**
* Moves an image file (resizing is possible)
*