1--TEST-- 2Testing __debugInfo() magic method with bad returns TRUE 3--FILE-- 4<?php 5 6class C { 7 public $val; 8 public function __debugInfo() { 9 return $this->val; 10 } 11 public function __construct($val) { 12 $this->val = $val; 13 } 14} 15 16$c = new C(true); 17var_dump($c); 18--EXPECTF-- 19Fatal error: __debuginfo() must return an array in %s%eZend%etests%edebug_info-error-true.php on line %d 20