MFH: fix bug #45028 (CRC32 output endianness is different between crc32() and hash())

NEWS

@@ -59,6 +59,8 @@ PHP                                                                        NEWS
   (Dmitry)
 - Fixed bug #45139 (ReflectionProperty returns incorrect declaring class).
   (Felipe)
+- Fixed bug #45028 (CRC32 output endianness is different between crc32() 
+  and hash()). (Tony)
 - Fixed bug #45004 (pg_insert() does not accept 4 digit timezone format).
   (Ilia)
 - Fixed bug #44891 Memory leak using registerPHPFunctions and XSLT Variable 

ext/hash/hash_crc32.c

@@ -56,6 +56,16 @@ PHP_HASH_API void PHP_CRC32Final(unsigned char digest[4], PHP_CRC32_CTX *context
 	context->state = 0;
 }
 
+PHP_HASH_API void PHP_CRC32BFinal(unsigned char digest[4], PHP_CRC32_CTX *context)
+{
+	context->state=~context->state;
+	digest[0] = (unsigned char) ((context->state >> 24) & 0xff);
+	digest[1] = (unsigned char) ((context->state >> 16) & 0xff);
+	digest[2] = (unsigned char) ((context->state >> 8) & 0xff);
+	digest[3] = (unsigned char) (context->state & 0xff);
+	context->state = 0;
+}
+
 const php_hash_ops php_hash_crc32_ops = {
 	(php_hash_init_func_t) PHP_CRC32Init,
 	(php_hash_update_func_t) PHP_CRC32Update,
@@ -68,7 +78,7 @@ const php_hash_ops php_hash_crc32_ops = {
 const php_hash_ops php_hash_crc32b_ops = {
 	(php_hash_init_func_t) PHP_CRC32Init,
 	(php_hash_update_func_t) PHP_CRC32BUpdate,
-	(php_hash_final_func_t) PHP_CRC32Final,
+	(php_hash_final_func_t) PHP_CRC32BFinal,
 	4, /* what to say here? */
 	4,
 	sizeof(PHP_CRC32_CTX)

ext/hash/tests/crc32.phpt

@@ -28,9 +28,9 @@ echo hash('crc32b', '12345678901234567890123456789012345678901234567890123456789
 882174a0
 96790816
 00000000
-43beb7e8
-c2412435
-7f9d1520
-bd50274c
-d2e6c21f
-724aa97c
+e8b7be43
+352441c2
+20159d7f
+4c2750bd
+1fc2e6d2
+7ca94a72