PHPackages pecl/xdiff - PHPackages - PHPackages [Skip to content](#main-content)[PHPackages](/)[Directory](/)[Categories](/categories)[Trending](/trending)[Leaderboard](/leaderboard)[Changelog](/changelog)[Analyze](/analyze)[Collections](/collections)[Log in](/login)[Sign up](/register) 1. [Directory](/) 2. / 3. [Utility & Helpers](/categories/utility) 4. / 5. pecl/xdiff ActivePhp-ext[Utility & Helpers](/categories/utility) pecl/xdiff ========== File differences/patches. 2.2.0(2mo ago)16616PHP-3.01CPHP >=7.0.0CI passing Since Apr 6Pushed 2mo ago7 watchersCompare [ Source](https://github.com/php/pecl-text-xdiff)[ Packagist](https://packagist.org/packages/pecl/xdiff)[ RSS](/packages/pecl-xdiff/feed)WikiDiscussions main Synced 1w ago READMEChangelog (2)DependenciesVersions (2)Used By (0) xdiff ===== [](#xdiff) PHP extension for creating and applying patches to both text and binary files. Wraps the [libxdiff](http://www.xmailserver.org/xdiff-lib.html) library. Installation ------------ [](#installation) ### PIE (recommended) [](#pie-recommended) ``` pie install pecl/xdiff ``` ### PECL [](#pecl) ``` pecl install xdiff ``` ### From source [](#from-source) Requires libxdiff with `xdl_set_allocator`, `xdl_rabdiff`, and `XDL_PATCH_IGNOREBSPACE` support. ``` phpize ./configure --with-xdiff make make install ``` API --- [](#api) ### Diff [](#diff) ``` xdiff_string_diff(string $str1, string $str2, int $context = 3, bool $minimal = false): string|false ``` Creates a unified diff of two strings. `$context` sets the number of surrounding lines. `$minimal` reduces diff size at the cost of speed. ``` xdiff_file_diff(string $file1, string $file2, string $dest, int $context = 3, bool $minimal = false): bool ``` Creates a unified diff of two files and writes the result to `$dest`. ``` xdiff_string_diff_binary(string $str1, string $str2): string|false ``` Creates a binary diff of two strings. ``` xdiff_file_diff_binary(string $file1, string $file2, string $dest): bool ``` Creates a binary diff of two files and writes the result to `$dest`. ``` xdiff_string_rabdiff(string $str1, string $str2): string|false ``` Creates a binary diff of two strings using the Rabin fingerprint algorithm. ``` xdiff_file_rabdiff(string $file1, string $file2, string $dest): bool ``` Creates a binary diff of two files using the Rabin fingerprint algorithm and writes the result to `$dest`. ### Patch [](#patch) ``` xdiff_string_patch(string $file, string $patch, int $flags = XDIFF_PATCH_NORMAL, ?string &$error = null): string|bool ``` 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`. ``` xdiff_file_patch(string $file, string $patch, string $dest, int $flags = XDIFF_PATCH_NORMAL): string|bool ``` Applies a unified patch from a file. Returns `true` on success, a string of rejected chunks on partial failure, or `false` on error. ``` xdiff_string_patch_binary(string $str, string $patch): string|false ``` Applies a binary patch to a string. Works with both bdiff and rabdiff patches. ``` xdiff_file_patch_binary(string $file, string $patch, string $dest): bool ``` Applies a binary patch from a file and writes the result to `$dest`. ### Merge [](#merge) ``` xdiff_string_merge3(string $str1, string $str2, string $str3, ?string &$error = null): string|bool ``` Three-way merge of strings. Returns the merged string, or `false` on error. Conflicts are returned via `$error`. ``` xdiff_file_merge3(string $file1, string $file2, string $file3, string $dest): string|bool ``` Three-way merge of files. Returns `true` on success, a string of rejected chunks on conflict, or `false` on error. ### Binary diff size [](#binary-diff-size) ``` xdiff_string_bdiff_size(string $patch): int|false ``` Returns the size of the file that would be created by applying the given binary patch. ``` xdiff_file_bdiff_size(string $patch_file): int|false ``` Same as above, but reads the patch from a file. Constants --------- [](#constants) ConstantDescription`XDIFF_PATCH_NORMAL`Apply patch normally (default)`XDIFF_PATCH_REVERSE`Reverse the patch`XDIFF_PATCH_IGNORESPACE`Ignore whitespace when patching ### Health Score 39 — LowBetter than 84% of packages Maintenance88 Actively maintained with recent releases Popularity16 Limited adoption so far Community24 Small or concentrated contributor base Maturity28 Early-stage or recently created project Bus Factor3 3 contributors hold 50%+ of commits How is this calculated?**Maintenance (25%)** — Last commit recency, latest release date, and issue-to-star ratio. Uses a 2-year decay window. **Popularity (30%)** — Total and monthly downloads, GitHub stars, and forks. Logarithmic scaling prevents top-heavy scores. **Community (15%)** — Contributors, dependents, forks, watchers, and maintainers. Measures real ecosystem engagement. **Maturity (30%)** — Project age, version count, PHP version support, and release stability. ### Release Activity Cadence Unknown Total 1 Last Release 64d ago ### Community Maintainers ![](https://www.gravatar.com/avatar/04c4b64e4b0528a79749a79b300ef81c093cbdaeb733b2b2c2a39b4352fa19a3?d=identicon)[rlerdorf](/maintainers/rlerdorf) --- Top Contributors [![rlerdorf](https://avatars.githubusercontent.com/u/54641?v=4)](https://github.com/rlerdorf "rlerdorf (14 commits)")[![remicollet](https://avatars.githubusercontent.com/u/270445?v=4)](https://github.com/remicollet "remicollet (13 commits)")[![Sean-Der](https://avatars.githubusercontent.com/u/1302304?v=4)](https://github.com/Sean-Der "Sean-Der (11 commits)")[![cmb69](https://avatars.githubusercontent.com/u/2306138?v=4)](https://github.com/cmb69 "cmb69 (9 commits)")[![felipensp](https://avatars.githubusercontent.com/u/773947?v=4)](https://github.com/felipensp "felipensp (5 commits)")[![helly25](https://avatars.githubusercontent.com/u/6420169?v=4)](https://github.com/helly25 "helly25 (3 commits)")[![ranvis](https://avatars.githubusercontent.com/u/139048?v=4)](https://github.com/ranvis "ranvis (2 commits)")[![wez](https://avatars.githubusercontent.com/u/117777?v=4)](https://github.com/wez "wez (2 commits)")[![plstand](https://avatars.githubusercontent.com/u/762731?v=4)](https://github.com/plstand "plstand (2 commits)")[![shivammathur](https://avatars.githubusercontent.com/u/1571086?v=4)](https://github.com/shivammathur "shivammathur (2 commits)")[![jparise](https://avatars.githubusercontent.com/u/10311?v=4)](https://github.com/jparise "jparise (1 commits)")[![tony2001](https://avatars.githubusercontent.com/u/42386?v=4)](https://github.com/tony2001 "tony2001 (1 commits)")[![weltling](https://avatars.githubusercontent.com/u/22016?v=4)](https://github.com/weltling "weltling (1 commits)")[![johannes](https://avatars.githubusercontent.com/u/44364?v=4)](https://github.com/johannes "johannes (1 commits)") ### Embed Badge ![Health badge](/badges/pecl-xdiff/health.svg) ``` [![Health](https://phpackages.com/badges/pecl-xdiff/health.svg)](https://phpackages.com/packages/pecl-xdiff) ``` ### Alternatives [humanmade/foundry Foundry is an experimental approach to custom tables in WordPress. 151.1k3](/packages/humanmade-foundry) PHPackages © 2026 [Directory](/)[Categories](/categories)[Trending](/trending)[Changelog](/changelog)[Analyze](/analyze)