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<?php $arr = array_fill(0, 5, null) + array_fill(4, 9, null); var_dump($arr);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/ZZeBj
function name:  (null)
number of ops:  16
compiled vars:  !0 = $arr
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'array_fill'
          1        SEND_VAL                                                 0
          2        SEND_VAL                                                 5
          3        SEND_VAL                                                 null
          4        DO_ICALL                                         $1      
          5        INIT_FCALL                                               'array_fill'
          6        SEND_VAL                                                 4
          7        SEND_VAL                                                 9
          8        SEND_VAL                                                 null
          9        DO_ICALL                                         $2      
         10        ADD                                              ~3      $1, $2
         11        ASSIGN                                                   !0, ~3
    5    12        INIT_FCALL                                               'var_dump'
         13        SEND_VAR                                                 !0
         14        DO_ICALL                                                 
         15      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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