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<?php $m = range(85,110); foreach($m as $val){ $key = $val."00000000000000000"; $a[$key] = $key; } print_r($a); $b["9900000000000000000"]="1"; print_r($b); var_dump(isset($b["-8546744073709551616"])); var_dump(isset($b["9900000000000000000"])); ?>
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 6, Position 2 = 12
Branch analysis from position: 6
2 jumps found. (Code = 78) Position 1 = 7, Position 2 = 12
Branch analysis from position: 7
1 jumps found. (Code = 42) Position 1 = 6
Branch analysis from position: 6
Branch analysis from position: 12
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 12
filename:       /in/a2CM7
function name:  (null)
number of ops:  30
compiled vars:  !0 = $m, !1 = $val, !2 = $key, !3 = $a, !4 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'range'
          1        SEND_VAL                                                 85
          2        SEND_VAL                                                 110
          3        DO_ICALL                                         $5      
          4        ASSIGN                                                   !0, $5
    3     5      > FE_RESET_R                                       $7      !0, ->12
          6    > > FE_FETCH_R                                               $7, !1, ->12
    4     7    >   CONCAT                                           ~8      !1, '00000000000000000'
          8        ASSIGN                                                   !2, ~8
    5     9        ASSIGN_DIM                                               !3, !2
         10        OP_DATA                                                  !2
    3    11      > JMP                                                      ->6
         12    >   FE_FREE                                                  $7
    7    13        INIT_FCALL                                               'print_r'
         14        SEND_VAR                                                 !3
         15        DO_ICALL                                                 
    9    16        ASSIGN_DIM                                               !4, '9900000000000000000'
         17        OP_DATA                                                  '1'
   10    18        INIT_FCALL                                               'print_r'
         19        SEND_VAR                                                 !4
         20        DO_ICALL                                                 
   11    21        INIT_FCALL                                               'var_dump'
         22        ISSET_ISEMPTY_DIM_OBJ                         0  ~14     !4, -8546744073709551616
         23        SEND_VAL                                                 ~14
         24        DO_ICALL                                                 
   12    25        INIT_FCALL                                               'var_dump'
         26        ISSET_ISEMPTY_DIM_OBJ                         0  ~16     !4, '9900000000000000000'
         27        SEND_VAL                                                 ~16
         28        DO_ICALL                                                 
   13    29      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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