v2.2.4

• Fix the extension check error in the isPdf() function.
• Updated version to v2.2.4.

v2.2.3

• Add function clearTmpFIles() to handler interface.
• Updated version to v2.2.3.

v2.2.2

• Fix merge handler unable to merge does not exist path.
• Updated version to v2.2.2.

v2.2.1

• Changed image constant name.
• Updated version to v2.2.1.

v2.2.0

• All handlers will begin to throw exceptions.
• The exception will provide more detailed information, including the exception code.
• Add new function for get PDF total pages getTotalPages().
• Removed multiple functions hasMessages(), getMessages().
• Removed message constants.
• Refactor all module & tests.
• Updated version to v2.2.0.

v2.1.5

• Convert path separator for image & split handlers.
• Updated version to v2.1.5.

v2.1.4

• Optimize pdf to image.
• Updated version to v2.1.4.

v2.1.3

• Fixed to image execute failed.
• Updated version to v2.1.3.

v2.1.2

• Fixed split execute failed.
• Updated version to v2.1.2.

v2.1.1

• Adjust namespace and file path of constants.
• Updated version to v2.1.1.