diff -up php-5.2.17/ext/standard/file.c.bug-55674 php-5.2.17/ext/standard/file.c
--- php-5.2.17/ext/standard/file.c.bug-55674	2012-01-12 09:39:13.000000000 +0700
+++ php-5.2.17/ext/standard/file.c	2012-01-12 09:39:28.000000000 +0700
@@ -2156,7 +2156,7 @@ PHPAPI void php_fgetcsv(php_stream *stre
 		inc_len = (bptr < limit ? (*bptr == '\0' ? 1: php_mblen(bptr, limit - bptr)): 0);
 		if (inc_len == 1) {
 			char *tmp = bptr;
-			while (isspace((int)*(unsigned char *)tmp)) {
+			while ((*tmp != delimiter) && isspace((int)*(unsigned char *)tmp)) {
 				tmp++;
 			}
 			if (*tmp == enclosure) {