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<?php $majorVersion = 5; $minorVersion = 0; $minorVersion1 = 1; var_dump(4 <= $majorVersion && 1 <= $minorVersion); // don't work var_dump(4 <= $majorVersion && 1 <= $minorVersion1); // work var_dump(version_compare('4.1', '4.1.0', '<='));
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 46) Position 1 = 6, Position 2 = 8
Branch analysis from position: 6
2 jumps found. (Code = 46) Position 1 = 13, Position 2 = 15
Branch analysis from position: 13
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 15
Branch analysis from position: 8
filename:       /in/PtroA
function name:  (null)
number of ops:  26
compiled vars:  !0 = $majorVersion, !1 = $minorVersion, !2 = $minorVersion1
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 5
    4     1        ASSIGN                                                   !1, 0
    5     2        ASSIGN                                                   !2, 1
    7     3        INIT_FCALL                                               'var_dump'
          4        IS_SMALLER_OR_EQUAL                              ~6      4, !0
          5      > JMPZ_EX                                          ~6      ~6, ->8
          6    >   IS_SMALLER_OR_EQUAL                              ~7      1, !1
          7        BOOL                                             ~6      ~7
          8    >   SEND_VAL                                                 ~6
          9        DO_ICALL                                                 
    8    10        INIT_FCALL                                               'var_dump'
         11        IS_SMALLER_OR_EQUAL                              ~9      4, !0
         12      > JMPZ_EX                                          ~9      ~9, ->15
         13    >   IS_SMALLER_OR_EQUAL                              ~10     1, !2
         14        BOOL                                             ~9      ~10
         15    >   SEND_VAL                                                 ~9
         16        DO_ICALL                                                 
    9    17        INIT_FCALL                                               'var_dump'
         18        INIT_FCALL                                               'version_compare'
         19        SEND_VAL                                                 '4.1'
         20        SEND_VAL                                                 '4.1.0'
         21        SEND_VAL                                                 '%3C%3D'
         22        DO_ICALL                                         $12     
         23        SEND_VAR                                                 $12
         24        DO_ICALL                                                 
         25      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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