3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = array('leg1'=>'LA', 'leg2'=>'NY', 'leg3'=>'NY', 'leg4'=>'FL'); while($current = current($a)) { if($next($a) == $current && $next($a) == $current){ //staying put for next two legs echo $current; } }
Output for 7.0.0 - 7.1.0
Notice: Undefined variable: next in /in/2ENUY on line 5 Fatal error: Uncaught Error: Function name must be a string in /in/2ENUY:5 Stack trace: #0 {main} thrown in /in/2ENUY on line 5
Process exited with code 255.
Output for hhvm-3.12.0
Notice: Undefined variable: next in /in/2ENUY on line 5 Fatal error: Uncaught Error: Function name must be a string in /in/2ENUY:5 Stack trace: #0 {main}
Process exited with code 255.
Output for 5.0.4 - 5.6.28, hhvm-3.10.0
Notice: Undefined variable: next in /in/2ENUY on line 5 Fatal error: Function name must be a string in /in/2ENUY on line 5
Process exited with code 255.
Output for 5.0.0 - 5.0.3
Notice: Undefined variable: next in /in/2ENUY on line 5 Fatal error: Function name must be a string in /in/2ENUY on line 5
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Notice: Undefined variable: next in /in/2ENUY on line 5 Fatal error: Call to undefined function: () in /in/2ENUY on line 5
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Notice: Undefined variable: next in /in/2ENUY on line 5 Fatal error: Call to undefined function: () in /in/2ENUY on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Notice: Undefined variable: next in /in/2ENUY on line 5 Fatal error: Call to undefined function: () in /in/2ENUY on line 5