3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
(<?php $string1= 143234; $string2= 4; echo $string1($string2(4)); ?>
based on clF1R
Output for 7.0.0 - 7.1.0
( Fatal error: Uncaught Error: Function name must be a string in /in/6NE3W:4 Stack trace: #0 {main} thrown in /in/6NE3W on line 4
Process exited with code 255.
Output for hhvm-3.12.0 - 3.13.2
( Fatal error: Uncaught Error: Function name must be a string in /in/6NE3W:4 Stack trace: #0 {main}
Process exited with code 255.
Output for 5.0.0 - 5.6.26, hhvm-3.10.0
( Fatal error: Function name must be a string in /in/6NE3W on line 4
Process exited with code 255.
Output for 4.4.5 - 4.4.9
( Fatal error: Call to undefined function: 143234() in /in/6NE3W on line 4
Process exited with code 255.
Output for 4.3.2 - 4.4.4
( Fatal error: Call to undefined function: 143234() in /in/6NE3W on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1
( Fatal error: Call to undefined function: 143234() in /in/6NE3W on line 4