Remove unused parameter

Cf. <https://bugs.php.net/78579>.

Author: cmb69

NEWS

@@ -25,6 +25,9 @@ PHP                                                                        NEWS
 - LDAP:
   . Removed deprecated ldap_sort. (mcmic)
 
+- MBString:
+  . Removed the unused $is_hex parameter from mb_decode_numericentity(). (cmb)
+
 - mysqlnd:
   . Fixed #60594 (mysqlnd exposes 160 lines of stats in phpinfo). (PeeHaa)
 

UPGRADING

@@ -172,6 +172,8 @@ PHP 8.0 UPGRADE NOTES
   . A non-string pattern argument to mb_ereg_replace() will now be interpreted
     as a string instead of an ASCII codepoint. The previous behavior may be
     restored with an explicit call to chr().
+  . The $is_hex parameter, which was not used internally, has been removed from
+    mb_decode_numericentity().
 
 - PCRE:
   . When passing invalid escape sequences they are no longer intepreted as

ext/mbstring/mbstring.c

@@ -391,7 +391,6 @@ ZEND_BEGIN_ARG_INFO_EX(arginfo_mb_decode_numericentity, 0, 0, 2)
 	ZEND_ARG_INFO(0, string)
 	ZEND_ARG_INFO(0, convmap)
 	ZEND_ARG_INFO(0, encoding)
-	ZEND_ARG_INFO(0, is_hex)
 ZEND_END_ARG_INFO()
 
 ZEND_BEGIN_ARG_INFO_EX(arginfo_mb_send_mail, 0, 0, 3)
@@ -3964,8 +3963,14 @@ php_mb_numericentity_exec(INTERNAL_FUNCTION_PARAMETERS, int type)
 	zend_bool is_hex = 0;
 	mbfl_string string, result, *ret;
 
-	if (zend_parse_parameters(ZEND_NUM_ARGS(), "sz|sb", &str, &str_len, &zconvmap, &encoding, &encoding_len, &is_hex) == FAILURE) {
-		return;
+	if (type == 0) {
+		if (zend_parse_parameters(ZEND_NUM_ARGS(), "sz|sb", &str, &str_len, &zconvmap, &encoding, &encoding_len, &is_hex) == FAILURE) {
+			return;
+		}
+	} else {
+		if (zend_parse_parameters(ZEND_NUM_ARGS(), "sz|s", &str, &str_len, &zconvmap, &encoding, &encoding_len) == FAILURE) {
+			return;
+		}
 	}
 
 	string.no_language = MBSTRG(language);