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Predefined Constants

The constants below are defined by this extension, and will only be available when the extension has either been compiled into PHP or dynamically loaded at runtime.

XDIFF_PATCH_NORMAL (integer)
This flag indicates that xdiff_string_patch() and xdiff_file_patch() functions should create result by applying patch to original content thus creating newer version of file. This is the default mode of operation.
XDIFF_PATCH_REVERSE (integer)
This flag indicated that xdiff_string_patch() and xdiff_file_patch() functions should create result by reversing patch changed from newer content thus creating original version.

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