From dd61002676cbb4ff222a743ffd18ea940bc0085d Mon Sep 17 00:00:00 2001
From: Remi Collet <remi@remirepo.net>
Date: Thu, 21 Oct 2021 10:39:57 +0200
Subject: [PATCH] fix for pcre2 10.38

---
 ext/pcre/php_pcre.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/ext/pcre/php_pcre.c b/ext/pcre/php_pcre.c
index f7b780f520e..19567889d88 100644
--- a/ext/pcre/php_pcre.c
+++ b/ext/pcre/php_pcre.c
@@ -193,6 +193,13 @@ static void php_pcre_efree(void *block, void *data)
 	efree(block);
 }
 
+#ifdef PCRE2_EXTRA_ALLOW_LOOKAROUND_BSK
+	/* pcre 10.38 needs PCRE2_EXTRA_ALLOW_LOOKAROUND_BSK, disabled by default */
+#define PHP_PCRE_DEFAULT_EXTRA_COPTIONS PCRE2_EXTRA_ALLOW_LOOKAROUND_BSK
+#else
+#define PHP_PCRE_DEFAULT_EXTRA_COPTIONS 0
+#endif
+
 #define PHP_PCRE_PREALLOC_MDATA_SIZE 32
 
 static void php_pcre_init_pcre2(uint8_t jit)
@@ -213,6 +220,8 @@ static void php_pcre_init_pcre2(uint8_t jit)
 		}
 	}
 
+	pcre2_set_compile_extra_options(cctx, PHP_PCRE_DEFAULT_EXTRA_COPTIONS);
+
 	if (!mctx) {
 		mctx = pcre2_match_context_create(gctx);
 		if (!mctx) {