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<?php $a = "1.0e6"; $b = "1.e6"; $c = 1000000; $d = null; echo 'a == b '; var_dump($a == $b); echo 'a == c '; var_dump($a == $c); echo 'a == d '; var_dump($a == $d); echo "\n"; echo 'a === b '; var_dump($a === $b); echo 'a === c '; var_dump($a === $c); echo 'a === d '; var_dump($a === $d); echo "\n"; echo 'strcmp(a, b) '; var_dump(@strcmp($a, $b)); echo 'strcmp(a, c) '; var_dump(@strcmp($a, $c)); echo 'strcmp(a, d) '; var_dump(@strcmp($a, $d)); echo 'strcmp(d, a) '; var_dump(@strcmp($d, $a)); echo "\n"; echo 'strcasecmp(a, b) '; var_dump(@strcasecmp($a, $b)); echo 'strcasecmp(a, c) '; var_dump(@strcasecmp($a, $c)); echo 'strcasecmp(a, d) '; var_dump(@strcasecmp($a, $d)); echo 'strcasecmp(d, a) '; var_dump(@strcasecmp($d, $a));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Zq8tM
function name:  (null)
number of ops:  118
compiled vars:  !0 = $a, !1 = $b, !2 = $c, !3 = $d
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '1.0e6'
    4     1        ASSIGN                                                   !1, '1.e6'
    5     2        ASSIGN                                                   !2, 1000000
    6     3        ASSIGN                                                   !3, null
    8     4        ECHO                                                     'a+%3D%3D+b+'
          5        INIT_FCALL                                               'var_dump'
          6        IS_EQUAL                                         ~8      !0, !1
          7        SEND_VAL                                                 ~8
          8        DO_ICALL                                                 
    9     9        ECHO                                                     'a+%3D%3D+c+'
         10        INIT_FCALL                                               'var_dump'
         11        IS_EQUAL                                         ~10     !0, !2
         12        SEND_VAL                                                 ~10
         13        DO_ICALL                                                 
   10    14        ECHO                                                     'a+%3D%3D+d+'
         15        INIT_FCALL                                               'var_dump'
         16        IS_EQUAL                                         ~12     !0, !3
         17        SEND_VAL                                                 ~12
         18        DO_ICALL                                                 
   12    19        ECHO                                                     '%0A'
   14    20        ECHO                                                     'a+%3D%3D%3D+b+'
         21        INIT_FCALL                                               'var_dump'
         22        IS_IDENTICAL                                     ~14     !0, !1
         23        SEND_VAL                                                 ~14
         24        DO_ICALL                                                 
   15    25        ECHO                                                     'a+%3D%3D%3D+c+'
         26        INIT_FCALL                                               'var_dump'
         27        IS_IDENTICAL                                     ~16     !0, !2
         28        SEND_VAL                                                 ~16
         29        DO_ICALL                                                 
   16    30        ECHO                                                     'a+%3D%3D%3D+d+'
         31        INIT_FCALL                                               'var_dump'
         32        IS_IDENTICAL                                     ~18     !0, !3
         33        SEND_VAL                                                 ~18
         34        DO_ICALL                                                 
   18    35        ECHO                                                     '%0A'
   20    36        ECHO                                                     'strcmp%28a%2C+b%29+'
         37        INIT_FCALL                                               'var_dump'
         38        BEGIN_SILENCE                                    ~20     
         39        INIT_FCALL                                               'strcmp'
         40        SEND_VAR                                                 !0
         41        SEND_VAR                                                 !1
         42        DO_ICALL                                         $21     
         43        END_SILENCE                                              ~20
         44        SEND_VAR                                                 $21
         45        DO_ICALL                                                 
   21    46        ECHO                                                     'strcmp%28a%2C+c%29+'
         47        INIT_FCALL                                               'var_dump'
         48        BEGIN_SILENCE                                    ~23     
         49        INIT_FCALL                                               'strcmp'
         50        SEND_VAR                                                 !0
         51        SEND_VAR                                                 !2
         52        DO_ICALL                                         $24     
         53        END_SILENCE                                              ~23
         54        SEND_VAR                                                 $24
         55        DO_ICALL                                                 
   22    56        ECHO                                                     'strcmp%28a%2C+d%29+'
         57        INIT_FCALL                                               'var_dump'
         58        BEGIN_SILENCE                                    ~26     
         59        INIT_FCALL                                               'strcmp'
         60        SEND_VAR                                                 !0
         61        SEND_VAR                                                 !3
         62        DO_ICALL                                         $27     
         63        END_SILENCE                                              ~26
         64        SEND_VAR                                                 $27
         65        DO_ICALL                                                 
   23    66        ECHO                                                     'strcmp%28d%2C+a%29+'
         67        INIT_FCALL                                               'var_dump'
         68        BEGIN_SILENCE                                    ~29     
         69        INIT_FCALL                                               'strcmp'
         70        SEND_VAR                                                 !3
         71        SEND_VAR                                                 !0
         72        DO_ICALL                                         $30     
         73        END_SILENCE                                              ~29
         74        SEND_VAR                                                 $30
         75        DO_ICALL                                                 
   25    76        ECHO                                                     '%0A'
   27    77        ECHO                                                     'strcasecmp%28a%2C+b%29+'
         78        INIT_FCALL                                               'var_dump'
         79        BEGIN_SILENCE                                    ~32     
         80        INIT_FCALL                                               'strcasecmp'
         81        SEND_VAR                                                 !0
         82        SEND_VAR                                                 !1
         83        DO_ICALL                                         $33     
         84        END_SILENCE                                              ~32
         85        SEND_VAR                                                 $33
         86        DO_ICALL                                                 
   28    87        ECHO                                                     'strcasecmp%28a%2C+c%29+'
         88        INIT_FCALL                                               'var_dump'
         89        BEGIN_SILENCE                                    ~35     
         90        INIT_FCALL                                               'strcasecmp'
         91        SEND_VAR                                                 !0
         92        SEND_VAR                                                 !2
         93        DO_ICALL                                         $36     
         94        END_SILENCE                                              ~35
         95        SEND_VAR                                                 $36
         96        DO_ICALL                                                 
   29    97        ECHO                                                     'strcasecmp%28a%2C+d%29+'
         98        INIT_FCALL                                               'var_dump'
         99        BEGIN_SILENCE                                    ~38     
        100        INIT_FCALL                                               'strcasecmp'
        101        SEND_VAR                                                 !0
        102        SEND_VAR                                                 !3
        103        DO_ICALL                                         $39     
        104        END_SILENCE                                              ~38
        105        SEND_VAR                                                 $39
        106        DO_ICALL                                                 
   30   107        ECHO                                                     'strcasecmp%28d%2C+a%29+'
        108        INIT_FCALL                                               'var_dump'
        109        BEGIN_SILENCE                                    ~41     
        110        INIT_FCALL                                               'strcasecmp'
        111        SEND_VAR                                                 !3
        112        SEND_VAR                                                 !0
        113        DO_ICALL                                         $42     
        114        END_SILENCE                                              ~41
        115        SEND_VAR                                                 $42
        116        DO_ICALL                                                 
        117      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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