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<?php function section(string $section): bool { if (empty($section) || !in_array($section, ['news', 'viewpoint'])) { return false; } return true; } var_dump(section('news'));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/riXBB
function name:  (null)
number of ops:  7
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   10     0  E >   INIT_FCALL                                               'var_dump'
          1        INIT_FCALL                                               'section'
          2        SEND_VAL                                                 'news'
          3        DO_FCALL                                      0  $0      
          4        SEND_VAR                                                 $0
          5        DO_ICALL                                                 
          6      > RETURN                                                   1

Function section:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 47) Position 1 = 3, Position 2 = 6
Branch analysis from position: 3
2 jumps found. (Code = 43) Position 1 = 7, Position 2 = 8
Branch analysis from position: 7
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 8
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 6
filename:       /in/riXBB
function name:  section
number of ops:  11
compiled vars:  !0 = $section
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
    4     1        ISSET_ISEMPTY_CV                                 ~1      !0
          2      > JMPNZ_EX                                         ~1      ~1, ->6
          3    >   IN_ARRAY                                         ~2      !0, <array>
          4        BOOL_NOT                                         ~3      ~2
          5        BOOL                                             ~1      ~3
          6    > > JMPZ                                                     ~1, ->8
    5     7    > > RETURN                                                   <false>
    7     8    > > RETURN                                                   <true>
    8     9*       VERIFY_RETURN_TYPE                                       
         10*     > RETURN                                                   null

End of function section

Generated using Vulcan Logic Dumper, using php 8.0.0


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