From 790b0b9edf607327bcb0b427eec5f317033c322f Mon Sep 17 00:00:00 2001
From: Ilia Alshanetsky <iliaa@php.net>
Date: Sat, 30 Dec 2006 01:56:18 +0000
Subject: [PATCH] Fixes test #50

---
 ext/filter/logical_filters.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/ext/filter/logical_filters.c b/ext/filter/logical_filters.c
index 18ff5197dcd..c3dfd00db5d 100644
--- a/ext/filter/logical_filters.c
+++ b/ext/filter/logical_filters.c
@@ -382,6 +382,9 @@ void php_filter_float(PHP_INPUT_FILTER_PARAM_DECL) /* {{{ */
 			Z_DVAL_P(value) = lval;
 			break;
 		case IS_DOUBLE:
+			if ((!dval && p - num > 1 && strpbrk(num, "123456789")) || !zend_finite(dval)) {
+				goto error;
+			}
 			zval_dtor(value);
 			Z_TYPE_P(value) = IS_DOUBLE;
 			Z_DVAL_P(value) = dval;