Joomla installation hangs solusion

For those who hangs during the joomla installation, here is the solution:

at the <your-site-root>/libraries/joomla/filter/input.php
around line 660

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