Mengatasi Error File Input.php pada Install Joomla 3

Joomla 3.1.5 have bug with PHP 5.5 but you do not need to worry to make it work you just need to modify an file input.php file located in libraries/joomla/filter/input.php here you go: open input.php with your favorite text editor find and replace

$source = preg_replace('/&#(\d+);/me', "utf8_encode(chr(\\1))", $source); // decimal notation

with

$source = preg_replace_callback('/&#(\d+);/m', function($m){return utf8_encode(chr($m[1]));}, $source); // decimal notation

And

$source = preg_replace('/&#x([a-f0-9]+);/mei', "utf8_encode(chr(0x\\1))", $source); // hex notation

with

$source = preg_replace_callback('/&#x([a-f0-9]+);/mi', function($m){return utf8_encode(chr('0x'.$m[1]));}, $source); // hex notation

or for your continence I have uploaded an fixed input.php file you can download it here (http://bit.ly/1dVatpq) just replace input.php with original one and you are done..!!