3v4l.org

run code in 300+ PHP versions simultaneously
<?php $myVar = "{don'tShow}"; $$myVar = "Hello World"; var_dump($$myVar);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/J9QSE
function name:  (null)
number of ops:  8
compiled vars:  !0 = $myVar
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '%7Bdon%27tShow%7D'
    4     1        FETCH_W                      local               $2      !0
          2        ASSIGN                                                   $2, 'Hello+World'
    5     3        INIT_FCALL                                               'var_dump'
          4        FETCH_R                      local               ~4      !0
          5        SEND_VAL                                                 ~4
          6        DO_ICALL                                                 
          7      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
153.96 ms | 1398 KiB | 15 Q