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<?php $a = [[1, 2], [1, 2]]; $a[5] = [1, 3]; array_unshift($a, [3, 4]); print_r($a);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/QBkXN
function name:  (null)
number of ops:  11
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    5     1        ASSIGN_DIM                                               !0, 5
          2        OP_DATA                                                  <array>
    8     3        INIT_FCALL                                               'array_unshift'
          4        SEND_REF                                                 !0
          5        SEND_VAL                                                 <array>
          6        DO_ICALL                                                 
   10     7        INIT_FCALL                                               'print_r'
          8        SEND_VAR                                                 !0
          9        DO_ICALL                                                 
         10      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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