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Informations about the package xdiff
xdiff
PHP extension for creating and applying patches to both text and binary files. Wraps the libxdiff library.
Installation
PIE (recommended)
PECL
From source
Requires libxdiff with xdl_set_allocator, xdl_rabdiff, and XDL_PATCH_IGNOREBSPACE support.
API
Diff
Creates a unified diff of two strings. $context sets the number of surrounding lines. $minimal reduces diff size at the cost of speed.
Creates a unified diff of two files and writes the result to $dest.
Creates a binary diff of two strings.
Creates a binary diff of two files and writes the result to $dest.
Creates a binary diff of two strings using the Rabin fingerprint algorithm.
Creates a binary diff of two files using the Rabin fingerprint algorithm and writes the result to $dest.
Patch
Applies a unified patch to a string. Returns the patched string, or false on error. Rejected chunks are returned via $error.
$flags: XDIFF_PATCH_NORMAL (default) or XDIFF_PATCH_REVERSE.
Applies a unified patch from a file. Returns true on success, a string of rejected chunks on partial failure, or false on error.
Applies a binary patch to a string. Works with both bdiff and rabdiff patches.
Applies a binary patch from a file and writes the result to $dest.
Merge
Three-way merge of strings. Returns the merged string, or false on error. Conflicts are returned via $error.
Three-way merge of files. Returns true on success, a string of rejected chunks on conflict, or false on error.
Binary diff size
Returns the size of the file that would be created by applying the given binary patch.
Same as above, but reads the patch from a file.
Constants
| Constant | Description |
|---|---|
XDIFF_PATCH_NORMAL |
Apply patch normally (default) |
XDIFF_PATCH_REVERSE |
Reverse the patch |
XDIFF_PATCH_IGNORESPACE |
Ignore whitespace when patching |