1--TEST-- 2Bug #26166 (__toString() crash when no values returned) 3--FILE-- 4<?php 5 6class Foo 7{ 8 function __toString() 9 { 10 return "Hello World!\n"; 11 } 12} 13 14class Bar 15{ 16 private $obj; 17 18 function __construct() 19 { 20 $this->obj = new Foo(); 21 } 22 23 function __toString() 24 { 25 return $this->obj->__toString(); 26 } 27} 28 29$o = new Bar; 30echo $o; 31 32echo "===NONE===\n"; 33 34function my_error_handler($errno, $errstr, $errfile, $errline) { 35 var_dump($errstr); 36} 37 38set_error_handler('my_error_handler'); 39 40class None 41{ 42 function __toString() { 43 } 44} 45 46$o = new None; 47echo $o; 48 49echo "===THROW===\n"; 50 51class Error 52{ 53 function __toString() { 54 throw new Exception("This is an error!"); 55 } 56} 57 58$o = new Error; 59try { 60 echo $o; 61} 62catch (Exception $e) { 63 echo "Got the exception\n"; 64} 65 66?> 67===DONE=== 68--EXPECTF-- 69Hello World! 70===NONE=== 71string(52) "Method None::__toString() must return a string value" 72===THROW=== 73 74Fatal error: Method Error::__toString() must not throw an exception in %sbug26166.php on line %d 75
