Use STR_EMPTY_ALLOC macro instead

diff --git a/ext/date/php_date.c b/ext/date/php_date.c
index 4bb088881e6af5b3f32dfe17da0c6fa45f980e90..750800da4c8e3ee234c8c11309977fcaedab77ed 100644 (file)
--- a/ext/date/php_date.c
+++ b/ext/date/php_date.c
@@ -4309,7 +4309,7 @@ static char *date_interval_format(char *format, int format_len, timelib_rel_time
        char                 buffer[33];
 
        if (!format_len) {
-               return estrdup("");
+               return STR_EMPTY_ALLOC();
        }
 
        for (i = 0; i < format_len; i++) {
@@ -4360,7 +4360,7 @@ static char *date_interval_format(char *format, int format_len, timelib_rel_time
        smart_str_0(&string);
 
        if (string.c == NULL) {
-               return estrdup("");
+               return STR_EMPTY_ALLOC();
        }
 
        return string.c;