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

Generated using Vulcan Logic Dumper, using php 8.5.0


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149.1 ms | 1134 KiB | 14 Q