2 files changed, 14 insertions, 0 deletions

diff --git a/.gitignore b/.gitignore
index 8fcb297..e4986e9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -19,6 +19,10 @@ src/tests/*/*.log
 src/tests/*/*.out
 src/tests/*/*.sh
 src/tests/*/*.php
+src/tests/*/phpt.*
+
+.vscode/
+
 # generated by re2c or copied from cached version
 src/sp_config_scanner.c
 # Files generated by phpize, configure and make
@@ -47,4 +51,5 @@ src/Makefile.objects
 src/missing
 src/mkinstalldirs
 src/run-tests.php
+src/*.dep
 doc/build/
diff --git a/src/sp_php_compat.h b/src/sp_php_compat.h
index d1102a8..04914b4 100644
--- a/src/sp_php_compat.h
+++ b/src/sp_php_compat.h
@@ -100,6 +100,7 @@ static zend_always_inline void zend_string_efree(zend_string *s)
 #endif
 
 // copied from PHP 8.0.11 sources, ext/hash/hash.c
+// slightly modified for PHP 8.1 compatibility
 
 static inline void php_hash_string_xor_char(unsigned char *out, const unsigned char *in, const unsigned char xor_with, const size_t length) {
         size_t i;
@@ -112,7 +113,11 @@ static inline void php_hash_hmac_prep_key(unsigned char *K, const php_hash_ops *
         memset(K, 0, ops->block_size);
         if (key_len > ops->block_size) {
                 /* Reduce the key first */
+#if PHP_VERSION_ID < 80100
                 ops->hash_init(context);
+#else
+                ops->hash_init(context, NULL);
+#endif
                 ops->hash_update(context, key, key_len);
                 ops->hash_final(K, context);
         } else {
@@ -123,7 +128,11 @@ static inline void php_hash_hmac_prep_key(unsigned char *K, const php_hash_ops *
 }
 
 static inline void php_hash_hmac_round(unsigned char *final, const php_hash_ops *ops, void *context, const unsigned char *key, const unsigned char *data, const zend_long data_size) {
+#if PHP_VERSION_ID < 80100
         ops->hash_init(context);
+#else
+        ops->hash_init(context, NULL);
+#endif
         ops->hash_update(context, key, ops->block_size);
         ops->hash_update(context, data, data_size);
         ops->hash_final(final, context);