1--TEST-- 2Test ob_start() with non existent callback method. 3--FILE-- 4<?php 5/* 6 * proto bool ob_start([ string|array user_function [, int chunk_size [, bool erase]]]) 7 * Function is implemented in main/output.c 8*/ 9 10Class C { 11} 12 13$c = new C; 14var_dump(ob_start(array($c, 'f'))); 15echo "done" 16?> 17--EXPECTF-- 18Catchable fatal error: Object of class C could not be converted to string in %s on line 11