Index: ext/pcre/php_pcre.c
===================================================================
RCS file: /repository/php-src/ext/pcre/php_pcre.c,v
retrieving revision 1.168.2.9.2.15
diff -u -p -d -r1.168.2.9.2.15 php_pcre.c
--- ext/pcre/php_pcre.c	10 Jan 2007 14:37:31 -0000	1.168.2.9.2.15
+++ ext/pcre/php_pcre.c	26 Feb 2007 09:27:12 -0000
@@ -811,7 +811,9 @@ static int preg_do_repl_func(zval *funct
 		result_len = Z_STRLEN_P(retval_ptr);
 		zval_ptr_dtor(&retval_ptr);
 	} else {
-		php_error_docref(NULL TSRMLS_CC, E_WARNING, \"Unable to call custom replacement function\");
+		if (!EG(exception)) {
+			php_error_docref(NULL TSRMLS_CC, E_WARNING, \"Unable to call custom replacement function\");
+		}
 		result_len = offsets[1] - offsets[0];
 		*result = estrndup(&subject[offsets[0]], result_len);
 	}