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php

--TEST--
Object to string conversion: error cases and behaviour variations.
--FILE--
<?php
function test_error_handler($err_no, $err_msg, $filename, $linenum, $vars) {
        echo "Error: $err_no - $err_msg\n";
}
set_error_handler('test_error_handler');
error_reporting(8191);


echo "Object with no __toString():\n";
$obj = new stdClass;
echo "Try 1:\n";
printf($obj);
printf("\n");

echo "\nTry 2:\n";
printf($obj . "\n");


echo "\n\nObject with bad __toString():\n";
class badToString {
	function __toString() {
		return 0;
	}	
}
$obj = new badToString;
echo "Try 1:\n";
printf($obj);
printf("\n");

echo "\nTry 2:\n";
printf($obj . "\n");

?>
--EXPECTF--
Object with no __toString():
Try 1:
Error: 4096 - Object of class stdClass could not be converted to string
Error: 8 - Object of class stdClass to string conversion
Object

Try 2:
Error: 4096 - Object of class stdClass could not be converted to string



Object with bad __toString():
Try 1:
Error: 4096 - Method badToString::__toString() must return a string value


Try 2:
Error: 4096 - Method badToString::__toString() must return a string value