3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $temp = 1900; $temp2 = '+' . $temp; var_dump($temp2); if (is_string($temp2)) {echo 'true';}
based on AB6sU
Output for 4.3.0 - 7.1.0
string(5) "+1900" true