MFH: Fixed bug #47546 (Default value for limit parameter in explode is 0, not -1)

NEWS

@@ -3,6 +3,8 @@ PHP                                                                        NEWS
 ?? ??? 2009, PHP 5.2.10
 - Fixed memory corruptions while reading properties of zip files. (Ilia)
 
+- Fixed bug #47546 (Default value for limit parameter in explode is 0, 
+ not -1). (Kalle)
 - Fixed bug #47435 (FILTER_FLAG_NO_PRIV_RANGE does not work with ipv6
  addresses in the filter extension). (Ilia)
 

ext/standard/string.c

@@ -1042,7 +1042,7 @@ PHP_FUNCTION(explode)
 
 	if (limit == 0 || limit == 1) {
 		add_index_stringl(return_value, 0, Z_STRVAL_PP(str), Z_STRLEN_PP(str), 1);
-	} else if (limit < 0 && argc == 3) {
+	} else if (limit < -1 && argc == 3) {
 		php_explode_negative_limit(*delim, *str, return_value, limit);
 	} else {
 		php_explode(*delim, *str, return_value, limit);

ext/standard/tests/strings/bug47546.phpt

@@ -0,0 +1,24 @@
+--TEST--
+Bug #47546 (Default value for limit parameter in explode is 0, not -1)
+--FILE--
+<?php
+$str = 'one|two|three|four';
+
+print_r(explode('|', $str));
+print_r(explode('|', $str, -1));
+?>
+--EXPECT--
+Array
+(
+    [0] => one
+    [1] => two
+    [2] => three
+    [3] => four
+)
+Array
+(
+    [0] => one
+    [1] => two
+    [2] => three
+    [3] => four
+)