1--TEST-- 2assert() - basic - accept closures as callback. 3--INI-- 4assert.active = 1 5assert.warning = 1 6assert.bail = 0 7assert.exception=0 8--FILE-- 9<?php 10assert_options(ASSERT_CALLBACK, function () { echo "Hello World!\n"; }); 11assert(0); 12?> 13--EXPECTF-- 14Hello World! 15 16Warning: assert(): assert(0) failed in %s on line %d 17