3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php class foo { var $bar = 'arr'; } $arr = array(0 => 'bar'); $p7 = 'bar'; $f = new foo(); echo $$f->$p7[0]; // php7 // < php7 'okok'
based on LrnpW
Output for 7.1.0 - 7.2.0
Recoverable fatal error: Object of class foo could not be converted to string in /in/defA4 on line 6
Process exited with code 255.
Output for 5.3.19 - 7.0.20
Catchable fatal error: Object of class foo could not be converted to string in /in/defA4 on line 6
Process exited with code 255.