Rethink the version checks

As the actual behavior change happens with ICU >= 58, the new
functionality should stay same in the lower versions. This comply also
with lower PHP versions so far.

ext/intl/spoofchecker/spoofchecker.c

@@ -45,14 +45,12 @@ void spoofchecker_register_constants(INIT_FUNC_ARGS)
 	SPOOFCHECKER_EXPOSE_CLASS_CONST(INVISIBLE)
 	SPOOFCHECKER_EXPOSE_CLASS_CONST(CHAR_LIMIT)
 
-#if U_ICU_VERSION_MAJOR_NUM >= 51
+#if U_ICU_VERSION_MAJOR_NUM >= 58
 	SPOOFCHECKER_EXPOSE_CLASS_CONST(ASCII)
 	SPOOFCHECKER_EXPOSE_CLASS_CONST(HIGHLY_RESTRICTIVE)
 	SPOOFCHECKER_EXPOSE_CLASS_CONST(MODERATELY_RESTRICTIVE)
 	SPOOFCHECKER_EXPOSE_CLASS_CONST(MINIMALLY_RESTRICTIVE)
 	SPOOFCHECKER_EXPOSE_CLASS_CONST(UNRESTRICTIVE)
-#endif
-#if U_ICU_VERSION_MAJOR_NUM >= 53
 	SPOOFCHECKER_EXPOSE_CLASS_CONST(SINGLE_SCRIPT_RESTRICTIVE)
 #endif
 

ext/intl/spoofchecker/spoofchecker_class.c

@@ -84,7 +84,7 @@ ZEND_BEGIN_ARG_INFO_EX(spoofchecker_are_confusable, 0, 0, 2)
 	ZEND_ARG_INFO(1, error)
 ZEND_END_ARG_INFO()
 
-#if U_ICU_VERSION_MAJOR_NUM >= 51
+#if U_ICU_VERSION_MAJOR_NUM >= 58
 ZEND_BEGIN_ARG_INFO_EX(spoofchecker_set_restriction_level, 0, 0, 1)
 	ZEND_ARG_INFO(0, level)
 ZEND_END_ARG_INFO()
@@ -102,7 +102,7 @@ zend_function_entry Spoofchecker_class_functions[] = {
 	PHP_ME(Spoofchecker, areConfusable, spoofchecker_are_confusable, ZEND_ACC_PUBLIC)
 	PHP_ME(Spoofchecker, setAllowedLocales, spoofchecker_set_allowed_locales, ZEND_ACC_PUBLIC)
 	PHP_ME(Spoofchecker, setChecks, spoofchecker_set_checks, ZEND_ACC_PUBLIC)
-#if U_ICU_VERSION_MAJOR_NUM >= 51
+#if U_ICU_VERSION_MAJOR_NUM >= 58
 	PHP_ME(Spoofchecker, setRestrictionLevel, spoofchecker_set_restriction_level, ZEND_ACC_PUBLIC)
 #endif
 	PHP_FE_END

ext/intl/spoofchecker/spoofchecker_class.h

@@ -78,7 +78,7 @@ extern zend_class_entry *Spoofchecker_ce_ptr;
         RETURN_FALSE;                                                           \
     }                                                                           \
 
-#if U_ICU_VERSION_MAJOR_NUM >= 51
+#if U_ICU_VERSION_MAJOR_NUM >= 58
 #define SPOOFCHECKER_DEFAULT_RESTRICTION_LEVEL USPOOF_HIGHLY_RESTRICTIVE
 #endif
 

ext/intl/spoofchecker/spoofchecker_create.c

@@ -43,7 +43,7 @@ PHP_METHOD(Spoofchecker, __construct)
 	co->uspoof = uspoof_open(SPOOFCHECKER_ERROR_CODE_P(co));
 	INTL_METHOD_CHECK_STATUS(co, "spoofchecker: unable to open ICU Spoof Checker");
 
-#if U_ICU_VERSION_MAJOR_NUM >= 51
+#if U_ICU_VERSION_MAJOR_NUM >= 58
 	/* TODO save it into the object for further suspiction check comparison. */
 	/* ICU 58 removes WSC and MSC handling. However there are restriction
 	 levels as defined in

ext/intl/spoofchecker/spoofchecker_main.c

@@ -134,7 +134,7 @@ PHP_METHOD(Spoofchecker, setChecks)
 }
 /* }}} */
 
-#if U_ICU_VERSION_MAJOR_NUM >= 51
+#if U_ICU_VERSION_MAJOR_NUM >= 58
 /* {{{ proto void Spoofchecker::setRestrictionLevel( int $restriction_level )
  * Set the loosest restriction level allowed for strings.
  */
@@ -150,9 +150,7 @@ PHP_METHOD(Spoofchecker, setRestrictionLevel)
 	SPOOFCHECKER_METHOD_FETCH_OBJECT;
 
 	if (USPOOF_ASCII != level &&
-#if U_ICU_VERSION_MAJOR_NUM >= 53
 			USPOOF_SINGLE_SCRIPT_RESTRICTIVE != level &&
-#endif
 			USPOOF_HIGHLY_RESTRICTIVE != level &&
 			USPOOF_MODERATELY_RESTRICTIVE != level &&
 			USPOOF_MINIMALLY_RESTRICTIVE != level &&

ext/intl/spoofchecker/spoofchecker_main.h

@@ -23,7 +23,7 @@ PHP_METHOD(Spoofchecker, isSuspicious);
 PHP_METHOD(Spoofchecker, areConfusable);
 PHP_METHOD(Spoofchecker, setAllowedLocales);
 PHP_METHOD(Spoofchecker, setChecks);
-#if U_ICU_VERSION_MAJOR_NUM >= 51
+#if U_ICU_VERSION_MAJOR_NUM >= 58
 PHP_METHOD(Spoofchecker, setRestrictionLevel);
 #endif