diff -Nru php-5.1.6.org/ext/standard/php_var.h php-5.1.6.mod/ext/standard/php_var.h
--- php-5.1.6.org/ext/standard/php_var.h	2006-01-01 13:50:15.000000000 +0100
+++ php-5.1.6.mod/ext/standard/php_var.h	2010-12-07 03:34:24.806048918 +0100
@@ -68,4 +68,48 @@
 	
 PHPAPI zend_class_entry *php_create_empty_class(char *class_name, int len);
 
+static inline int php_varname_check(char *name, int name_len, zend_bool silent TSRMLS_DC) /* {{{ */
+{
+    if (name_len == sizeof("GLOBALS") && !memcmp(name, "GLOBALS", sizeof("GLOBALS"))) {
+                if (!silent) {
+                        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Attempted GLOBALS variable overwrite");
+                }
+        return FAILURE;
+    } else if (name[0] == '_' &&
+            (
+             (name_len == sizeof("_GET") && !memcmp(name, "_GET", sizeof("_GET"))) ||
+             (name_len == sizeof("_POST") && !memcmp(name, "_POST", sizeof("_POST"))) ||
+             (name_len == sizeof("_COOKIE") && !memcmp(name, "_COOKIE", sizeof("_COOKIE"))) ||
+             (name_len == sizeof("_ENV") && !memcmp(name, "_ENV", sizeof("_ENV"))) ||
+             (name_len == sizeof("_SERVER") && !memcmp(name, "_SERVER", sizeof("_SERVER"))) ||
+             (name_len == sizeof("_SESSION") && !memcmp(name, "_SESSION", sizeof("_SESSION"))) ||
+             (name_len == sizeof("_FILES") && !memcmp(name, "_FILES", sizeof("_FILES"))) ||
+             (name_len == sizeof("_REQUEST") && !memcmp(name, "_REQUEST", sizeof("_REQUEST")))
+            )
+            ) {
+                if (!silent) {
+                        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Attempted super-global (%s) variable overwrite", name);
+                }
+        return FAILURE;
+    } else if (name[0] == 'H' &&
+            (
+             (name_len == sizeof("HTTP_POST_VARS") && !memcmp(name, "HTTP_POST_VARS", sizeof("HTTP_POST_VARS"))) ||
+             (name_len == sizeof("HTTP_GET_VARS") && !memcmp(name, "HTTP_GET_VARS", sizeof("HTTP_GET_VARS"))) ||   
+             (name_len == sizeof("HTTP_COOKIE_VARS") && !memcmp(name, "HTTP_COOKIE_VARS", sizeof("HTTP_COOKIE_VARS"))) ||
+             (name_len == sizeof("HTTP_ENV_VARS") && !memcmp(name, "HTTP_ENV_VARS", sizeof("HTTP_ENV_VARS"))) ||
+             (name_len == sizeof("HTTP_SERVER_VARS") && !memcmp(name, "HTTP_SERVER_VARS", sizeof("HTTP_SERVER_VARS"))) ||
+             (name_len == sizeof("HTTP_SESSION_VARS") && !memcmp(name, "HTTP_SESSION_VARS", sizeof("HTTP_SESSION_VARS"))) ||
+             (name_len == sizeof("HTTP_RAW_POST_DATA") && !memcmp(name, "HTTP_RAW_POST_DATA", sizeof("HTTP_RAW_POST_DATA"))) ||
+             (name_len == sizeof("HTTP_POST_FILES") && !memcmp(name, "HTTP_POST_FILES", sizeof("HTTP_POST_FILES")))
+            )
+            ) {
+                if (!silent) {
+                        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Attempted long input array (%s) overwrite", name);
+                }
+        return FAILURE;
+    }
+        return SUCCESS;
+}
+/* }}} */
+
 #endif /* PHP_VAR_H */
diff -Nru php-5.1.6.org/Zend/zend_operators.c php-5.1.6.mod/Zend/zend_operators.c
--- php-5.1.6.org/Zend/zend_operators.c	2006-02-05 18:07:40.000000000 +0100
+++ php-5.1.6.mod/Zend/zend_operators.c	2010-12-07 03:32:29.590152000 +0100
@@ -60,6 +60,33 @@
 	return retval;
 }
 
+ZEND_API long zend_atol(const char *str, int str_len) /* {{{ */
+{
+        long retval;
+
+        if (!str_len) {
+                str_len = strlen(str);
+        }
+        retval = strtol(str, NULL, 0);
+        if (str_len>0) {
+                switch (str[str_len-1]) {
+                        case 'g':
+                        case 'G':
+                                retval *= 1024;
+                                /* break intentionally missing */
+                        case 'm':
+                        case 'M':
+                                retval *= 1024;
+                                /* break intentionally missing */
+                        case 'k':
+                        case 'K':
+                                retval *= 1024;
+                                break;
+                }   
+        }
+        return retval; 
+}
+
 
 ZEND_API double zend_string_to_double(const char *number, zend_uint length)
 {
diff -Nru php-5.1.6.org/Zend/zend_operators.h php-5.1.6.mod/Zend/zend_operators.h
--- php-5.1.6.org/Zend/zend_operators.h	2006-01-05 00:53:04.000000000 +0100
+++ php-5.1.6.mod/Zend/zend_operators.h	2010-12-07 03:32:50.267180756 +0100
@@ -216,6 +216,7 @@
 ZEND_API void zend_compare_objects(zval *result, zval *o1, zval *o2 TSRMLS_DC);
 
 ZEND_API int zend_atoi(const char *str, int str_len);
+ZEND_API long zend_atol(const char *str, int str_len);
 
 ZEND_API void zend_locale_sprintf_double(zval *op ZEND_FILE_LINE_DC);
 END_EXTERN_C()