3v4l.org

run code in 300+ PHP versions simultaneously
<?php class FStack extends ArrayObject { } $stack = new FStack; $stack[] = "hello"; var_dump($stack);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/CMeUt
function name:  (null)
number of ops:  9
compiled vars:  !0 = $stack
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E >   NEW                                              $1      'FStack'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $1
    8     3        ASSIGN_DIM                                               !0
          4        OP_DATA                                                  'hello'
   11     5        INIT_FCALL                                               'var_dump'
          6        SEND_VAR                                                 !0
          7        DO_ICALL                                                 
          8      > RETURN                                                   1

Class FStack: [no user functions]

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
149.44 ms | 1385 KiB | 15 Q