Description:
------------
In PECL xdiff 2.1.0, the arginfo is now generated from a stub file. Unfortunately, the stub file includes the aliases but leaves out the actual names for the following functions:

xdiff_file_bdiff()
xdiff_file_bpatch()
xdiff_string_bdiff()
xdiff_string_bpatch()

This breaks scripts that call these functions using their actual names as opposed to the aliases ("_binary" at the end instead of "b"). The bug was introduced in the following commit:

https://github.com/php/pecl-text-xdiff/commit/7e762e743e8607d2007a02382d2c845a7a5b8682

Test script:
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<?php
$s1 = 'The quick brown fox jumps over the lazy dog.';
$s2 = 'The quick brown fox jumps over the lazy cog.';
var_dump(xdiff_string_bpatch($s1, xdiff_string_bdiff($s1, $s2)));

Expected result:
----------------
string(44) "The quick brown fox jumps over the lazy cog."

Actual result:
--------------
PHP Fatal error:  Uncaught Error: Call to undefined function xdiff_string_bpatch() in /home/ki/test.php:4
Stack trace:
#0 {main}
  thrown in /home/ki/test.php on line 4