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<?php $a = [42]; $b = []; $b[] = 42; debug_zval_dump([42], $a, $b);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/DVi3f
function name:  (null)
number of ops:  10
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                       !0, <array>
    4     1        ASSIGN                                                       !1, <array>
    5     2        ASSIGN_DIM                                                   !1
          3        OP_DATA                                                      42
    6     4        INIT_FCALL                                                   'debug_zval_dump'
          5        SEND_VAL                                                     <array>
          6        SEND_VAR                                                     !0
          7        SEND_VAR                                                     !1
          8        DO_ICALL                                                     
          9      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


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