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<?php final class ArrayUtils { public static function containsSum($data, $sum) { $visited = []; foreach ($data as $v) { if (isset($visited[$sum - $v])) { return true; } $visited[$v] = true; } return false; } } $data = range(0, 49999); shuffle($data); var_dump(ArrayUtils::containsSum($data, 1220)); var_dump(ArrayUtils::containsSum($data, -7));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/1Bn5n
function name:  (null)
number of ops:  23
compiled vars:  !0 = $data
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   19     0  E >   INIT_FCALL                                               'range'
          1        SEND_VAL                                                 0
          2        SEND_VAL                                                 49999
          3        DO_ICALL                                         $1      
          4        ASSIGN                                                   !0, $1
   20     5        INIT_FCALL                                               'shuffle'
          6        SEND_REF                                                 !0
          7        DO_ICALL                                                 
   21     8        INIT_FCALL                                               'var_dump'
          9        INIT_STATIC_METHOD_CALL                                  'ArrayUtils', 'containsSum'
         10        SEND_VAR                                                 !0
         11        SEND_VAL                                                 1220
         12        DO_FCALL                                      0  $4      
         13        SEND_VAR                                                 $4
         14        DO_ICALL                                                 
   22    15        INIT_FCALL                                               'var_dump'
         16        INIT_STATIC_METHOD_CALL                                  'ArrayUtils', 'containsSum'
         17        SEND_VAR                                                 !0
         18        SEND_VAL                                                 -7
         19        DO_FCALL                                      0  $6      
         20        SEND_VAR                                                 $6
         21        DO_ICALL                                                 
         22      > RETURN                                                   1

Class ArrayUtils:
Function containssum:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 4, Position 2 = 13
Branch analysis from position: 4
2 jumps found. (Code = 78) Position 1 = 5, Position 2 = 13
Branch analysis from position: 5
2 jumps found. (Code = 43) Position 1 = 8, Position 2 = 10
Branch analysis from position: 8
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 10
1 jumps found. (Code = 42) Position 1 = 4
Branch analysis from position: 4
Branch analysis from position: 13
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 13
filename:       /in/1Bn5n
function name:  containsSum
number of ops:  16
compiled vars:  !0 = $data, !1 = $sum, !2 = $visited, !3 = $v
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    6     0  E >   RECV                                             !0      
          1        RECV                                             !1      
    8     2        ASSIGN                                                   !2, <array>
    9     3      > FE_RESET_R                                       $5      !0, ->13
          4    > > FE_FETCH_R                                               $5, !3, ->13
   10     5    >   SUB                                              ~6      !1, !3
          6        ISSET_ISEMPTY_DIM_OBJ                         0          !2, ~6
          7      > JMPZ                                                     ~7, ->10
   11     8    >   FE_FREE                                                  $5
          9      > RETURN                                                   <true>
   13    10    >   ASSIGN_DIM                                               !2, !3
         11        OP_DATA                                                  <true>
    9    12      > JMP                                                      ->4
         13    >   FE_FREE                                                  $5
   15    14      > RETURN                                                   <false>
   16    15*     > RETURN                                                   null

End of function containssum

End of class ArrayUtils.

Generated using Vulcan Logic Dumper, using php 8.0.0


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