3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function string($string) { $string = strip_tags($string); $string = str_replace(' ','', $string); $string = preg_replace('/\s+/','',$string); $string = preg_replace('~\x{00a0}~','',$string); return empty($string); } var_dump(string('Every thing is awesome'));
Output for 4.3.0 - 7.1.0
bool(false)