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<?php $lessThan = [ '7.9.9.9', '7.9.9', '7.9', '7', ]; $greaterEqualThan = [ '8.0.0.0', '8.0.0', '8.0', '8', '8.0.0.1', '8.0.1', '8.1', ]; // existing foreach ($lessThan as $version) { if(version_compare($version, '8.0.0', '>=') !== false) { echo "fail for $version (existing code)\n"; } } foreach ($greaterEqualThan as $version) { if(version_compare($version, '8.0.0', '>=') !== true) { echo "fail for $version (existing code)\n"; } } // suggested foreach ($lessThan as $version) { if(version_compare($version, '8', '>=') !== false) { echo "fail for $version (suggested code)\n"; } } foreach ($greaterEqualThan as $version) { if(version_compare($version, '8', '>=') !== true) { echo "fail for $version (suggested code)\n"; } }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 3, Position 2 = 16
Branch analysis from position: 3
2 jumps found. (Code = 78) Position 1 = 4, Position 2 = 16
Branch analysis from position: 4
2 jumps found. (Code = 43) Position 1 = 11, Position 2 = 15
Branch analysis from position: 11
1 jumps found. (Code = 42) Position 1 = 3
Branch analysis from position: 3
Branch analysis from position: 15
Branch analysis from position: 16
2 jumps found. (Code = 77) Position 1 = 18, Position 2 = 31
Branch analysis from position: 18
2 jumps found. (Code = 78) Position 1 = 19, Position 2 = 31
Branch analysis from position: 19
2 jumps found. (Code = 43) Position 1 = 26, Position 2 = 30
Branch analysis from position: 26
1 jumps found. (Code = 42) Position 1 = 18
Branch analysis from position: 18
Branch analysis from position: 30
Branch analysis from position: 31
2 jumps found. (Code = 77) Position 1 = 33, Position 2 = 46
Branch analysis from position: 33
2 jumps found. (Code = 78) Position 1 = 34, Position 2 = 46
Branch analysis from position: 34
2 jumps found. (Code = 43) Position 1 = 41, Position 2 = 45
Branch analysis from position: 41
1 jumps found. (Code = 42) Position 1 = 33
Branch analysis from position: 33
Branch analysis from position: 45
Branch analysis from position: 46
2 jumps found. (Code = 77) Position 1 = 48, Position 2 = 61
Branch analysis from position: 48
2 jumps found. (Code = 78) Position 1 = 49, Position 2 = 61
Branch analysis from position: 49
2 jumps found. (Code = 43) Position 1 = 56, Position 2 = 60
Branch analysis from position: 56
1 jumps found. (Code = 42) Position 1 = 48
Branch analysis from position: 48
Branch analysis from position: 60
Branch analysis from position: 61
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 61
Branch analysis from position: 46
Branch analysis from position: 31
Branch analysis from position: 16
filename:       /in/1UKa2
function name:  (null)
number of ops:  63
compiled vars:  !0 = $lessThan, !1 = $greaterEqualThan, !2 = $version
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
   10     1        ASSIGN                                                   !1, <array>
   21     2      > FE_RESET_R                                       $5      !0, ->16
          3    > > FE_FETCH_R                                               $5, !2, ->16
   22     4    >   INIT_FCALL                                               'version_compare'
          5        SEND_VAR                                                 !2
          6        SEND_VAL                                                 '8.0.0'
          7        SEND_VAL                                                 '%3E%3D'
          8        DO_ICALL                                         $6      
          9        TYPE_CHECK                                  1018          $6
         10      > JMPZ                                                     ~7, ->15
   23    11    >   ROPE_INIT                                     3  ~9      'fail+for+'
         12        ROPE_ADD                                      1  ~9      ~9, !2
         13        ROPE_END                                      2  ~8      ~9, '+%28existing+code%29%0A'
         14        ECHO                                                     ~8
   21    15    > > JMP                                                      ->3
         16    >   FE_FREE                                                  $5
   27    17      > FE_RESET_R                                       $11     !1, ->31
         18    > > FE_FETCH_R                                               $11, !2, ->31
   28    19    >   INIT_FCALL                                               'version_compare'
         20        SEND_VAR                                                 !2
         21        SEND_VAL                                                 '8.0.0'
         22        SEND_VAL                                                 '%3E%3D'
         23        DO_ICALL                                         $12     
         24        TYPE_CHECK                                  1014          $12
         25      > JMPZ                                                     ~13, ->30
   29    26    >   ROPE_INIT                                     3  ~15     'fail+for+'
         27        ROPE_ADD                                      1  ~15     ~15, !2
         28        ROPE_END                                      2  ~14     ~15, '+%28existing+code%29%0A'
         29        ECHO                                                     ~14
   27    30    > > JMP                                                      ->18
         31    >   FE_FREE                                                  $11
   34    32      > FE_RESET_R                                       $17     !0, ->46
         33    > > FE_FETCH_R                                               $17, !2, ->46
   35    34    >   INIT_FCALL                                               'version_compare'
         35        SEND_VAR                                                 !2
         36        SEND_VAL                                                 '8'
         37        SEND_VAL                                                 '%3E%3D'
         38        DO_ICALL                                         $18     
         39        TYPE_CHECK                                  1018          $18
         40      > JMPZ                                                     ~19, ->45
   36    41    >   ROPE_INIT                                     3  ~21     'fail+for+'
         42        ROPE_ADD                                      1  ~21     ~21, !2
         43        ROPE_END                                      2  ~20     ~21, '+%28suggested+code%29%0A'
         44        ECHO                                                     ~20
   34    45    > > JMP                                                      ->33
         46    >   FE_FREE                                                  $17
   40    47      > FE_RESET_R                                       $23     !1, ->61
         48    > > FE_FETCH_R                                               $23, !2, ->61
   41    49    >   INIT_FCALL                                               'version_compare'
         50        SEND_VAR                                                 !2
         51        SEND_VAL                                                 '8'
         52        SEND_VAL                                                 '%3E%3D'
         53        DO_ICALL                                         $24     
         54        TYPE_CHECK                                  1014          $24
         55      > JMPZ                                                     ~25, ->60
   42    56    >   ROPE_INIT                                     3  ~27     'fail+for+'
         57        ROPE_ADD                                      1  ~27     ~27, !2
         58        ROPE_END                                      2  ~26     ~27, '+%28suggested+code%29%0A'
         59        ECHO                                                     ~26
   40    60    > > JMP                                                      ->48
         61    >   FE_FREE                                                  $23
   44    62      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
143.03 ms | 1010 KiB | 14 Q