Added PHP_DATE_DOUBLE_FITS_LONG similar to ZEND_DOUBLE_FITS_LONG

Author: marc-mabe

ext/date/php_date.c

@@ -2517,8 +2517,7 @@ PHPAPI bool php_date_initialize_from_ts_double(php_date_obj *dateobj, double ts)
 	int usec = (int)(fmod(ts, 1) * 1000000);
 
 	if (UNEXPECTED(isnan(sec_dval)
-		|| sec_dval > (double)TIMELIB_LONG_MAX
-		|| sec_dval < (double)TIMELIB_LONG_MIN
+		|| !PHP_DATE_DOUBLE_FITS_LONG(sec_dval)
 		|| (sec == TIMELIB_LONG_MIN && usec < 0)
 	)) {
 		zend_throw_error(

ext/date/php_date.h

@@ -20,6 +20,14 @@
 #include "lib/timelib.h"
 #include "Zend/zend_hash.h"
 
+/* Same as ZEND_DOUBLE_FITS_LONG but using TIMELIB_LONG_MAX/MIN */
+#if SIZEOF_TIMELIB_LONG == 4
+#	define PHP_DATE_DOUBLE_FITS_LONG(d) (!((d) > (double)TIMELIB_LONG_MAX || (d) < (double)TIMELIB_LONG_MIN))
+#else
+	/* >= as (double)TIMELIB_LONG_MAX is outside signed range */
+#	define PHP_DATE_DOUBLE_FITS_LONG(d) (!((d) >= (double)TIMELIB_LONG_MAX || (d) < (double)TIMELIB_LONG_MIN))
+#endif
+
 #include "php_version.h"
 #define PHP_DATE_VERSION PHP_VERSION