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author | Nikita Popov <nikita.ppv@gmail.com> | 2019-01-08 10:21:01 +0100 |
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committer | Nikita Popov <nikita.ppv@gmail.com> | 2019-01-08 10:21:01 +0100 |
commit | 76c687feaf86d305f8ba510a7319ccc1b66a8901 (patch) | |
tree | a8a703009746e5489c75a74be8203fdfdf9d0fbb /ext/mbstring/php_mbregex.c | |
parent | 7f8cab2535afc9057b1d04d236450d5f048939c4 (diff) | |
download | php-git-76c687feaf86d305f8ba510a7319ccc1b66a8901.tar.gz |
Fixed bug #77428
mb_ereg_replace historically has not supported escaping backslashes
with backslashes. Go back to that behavior for BC reasons.
Diffstat (limited to 'ext/mbstring/php_mbregex.c')
-rw-r--r-- | ext/mbstring/php_mbregex.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/ext/mbstring/php_mbregex.c b/ext/mbstring/php_mbregex.c index 85219b00e4..cc96e04f39 100644 --- a/ext/mbstring/php_mbregex.c +++ b/ext/mbstring/php_mbregex.c @@ -791,7 +791,9 @@ static inline void mb_regex_substitute( no = onig_name_to_backref_number(regexp, (OnigUChar *)name, (OnigUChar *)name_end, regs); break; default: - p += clen; + /* We're not treating \ as an escape character and will interpret something like + * \\1 as \ followed by \1, rather than \\ followed by 1. This is because this + * function has not supported escaping of backslashes historically. */ smart_str_appendl(pbuf, sp, p - sp); continue; } |