--TEST--
Test mb_substitute_character() function : variation unmappable out char for convert encoding
--SKIPIF--
<?php
extension_loaded('mbstring') or die('skip');
function_exists('mb_substitute_character') or die("skip mb_substitute_character() is not available in this build");
?>
--FILE--
<?php
/* Prototype  : mixed mb_substitute_character([mixed substchar])
 * Description: Sets the current substitute_character or returns the current substitute_character 
 * Source code: ext/mbstring/mbstring.c
 * Alias to functions: 
 */

echo "*** Testing mb_substitute_character() : variation ***\n";
//japenese utf-8
$string_mb = base64_decode('5pel5pys6Kqe44OG44Kt44K544OI');

//output the default which is ? in ISO-8859-1, x3f
var_dump(bin2hex(mb_convert_encoding($string_mb, "ISO-8859-1", "UTF-8")));

mb_substitute_character(66);  //'B' in ISO-8859-1, x42
var_dump(bin2hex(mb_convert_encoding($string_mb, "ISO-8859-1", "UTF-8")));
mb_substitute_character("none"); //no substitution
var_dump(bin2hex(mb_convert_encoding($string_mb, "ISO-8859-1", "UTF-8")));
mb_substitute_character(280); //not valid in ISO-8859-1
var_dump(bin2hex(mb_convert_encoding($string_mb, "ISO-8859-1", "UTF-8")));


?>
===DONE===
--EXPECTF--
*** Testing mb_substitute_character() : variation ***
unicode(14) "3f3f3f3f3f3f3f"
unicode(14) "42424242424242"

Warning: mb_substitute_character(): Unknown character. in %s on line %d
unicode(14) "42424242424242"
unicode(0) ""
===DONE===