3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $string = 'example'; var_dump( empty($string['string_offset']), isset($string['string_offset']), $string['string_offset'] );
Output for 5.4.0 - 5.6.28, 7.0.0 - 7.1.0
Warning: Illegal string offset 'string_offset' in /in/ljdqj on line 7 bool(true) bool(false) string(1) "e"
Output for 5.0.0 - 5.0.2, hhvm-3.10.0 - 3.12.0
bool(true) bool(false) string(1) "e"
Output for 4.3.0 - 4.4.9, 5.0.3 - 5.3.29
bool(false) bool(true) string(1) "e"