3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Test { } $b = new Test(); $a = array($b => 'foo'); var_dump($a[$b]);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/1eJsW
function name:  (null)
number of ops:  10
compiled vars:  !0 = $b, !1 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E >   NEW                                              $2      'Test'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $2
    8     3        INIT_ARRAY                                       ~5      'foo', !0
          4        ASSIGN                                                   !1, ~5
   11     5        INIT_FCALL                                               'var_dump'
          6        FETCH_DIM_R                                      ~7      !1, !0
          7        SEND_VAL                                                 ~7
          8        DO_ICALL                                                 
          9      > RETURN                                                   1

Class Test: [no user functions]

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
153.77 ms | 1394 KiB | 15 Q