3v4l.org

run code in 300+ PHP versions simultaneously
<?php $results = null; $results[null] = 'No available export'; var_dump($results); var_dump($results[null]);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/W7POA
function name:  (null)
number of ops:  11
compiled vars:  !0 = $results
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, null
    4     1        ASSIGN_DIM                                               !0, null
          2        OP_DATA                                                  'No+available+export'
    6     3        INIT_FCALL                                               'var_dump'
          4        SEND_VAR                                                 !0
          5        DO_ICALL                                                 
    7     6        INIT_FCALL                                               'var_dump'
          7        FETCH_DIM_R                                      ~4      !0, null
          8        SEND_VAL                                                 ~4
          9        DO_ICALL                                                 
         10      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
157.09 ms | 1394 KiB | 15 Q