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<?php $a = [1, 2, 3]; unset($a[2]); print_r($a); var_dump(array_is_list($a)); echo "\n"; $a[] = 4; print_r($a); var_dump(array_is_list($a));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/fV80Z
function name:  (null)
number of ops:  24
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    5     1        UNSET_DIM                                                !0, 2
    6     2        INIT_FCALL                                               'print_r'
          3        SEND_VAR                                                 !0
          4        DO_ICALL                                                 
    7     5        INIT_FCALL                                               'var_dump'
          6        INIT_FCALL                                               'array_is_list'
          7        SEND_VAR                                                 !0
          8        DO_ICALL                                         $3      
          9        SEND_VAR                                                 $3
         10        DO_ICALL                                                 
    8    11        ECHO                                                     '%0A'
   10    12        ASSIGN_DIM                                               !0
         13        OP_DATA                                                  4
   11    14        INIT_FCALL                                               'print_r'
         15        SEND_VAR                                                 !0
         16        DO_ICALL                                                 
   12    17        INIT_FCALL                                               'var_dump'
         18        INIT_FCALL                                               'array_is_list'
         19        SEND_VAR                                                 !0
         20        DO_ICALL                                         $7      
         21        SEND_VAR                                                 $7
         22        DO_ICALL                                                 
         23      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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