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<?php function getStaticVar($name, $t = false) { static $flags = array(); var_dump($flags); if(!isset($flags[$name])) { $flags[$name] = false; } if ($t) { $flags[$name] = true; } return $flags[$name]; } $name = 'varName'; echo getStaticVar($name); echo getStaticVar($name); echo getStaticVar($name);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/bfAt2
function name:  (null)
number of ops:  14
compiled vars:  !0 = $name
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   21     0  E >   ASSIGN                                                   !0, 'varName'
   23     1        INIT_FCALL                                               'getstaticvar'
          2        SEND_VAR                                                 !0
          3        DO_FCALL                                      0  $2      
          4        ECHO                                                     $2
   24     5        INIT_FCALL                                               'getstaticvar'
          6        SEND_VAR                                                 !0
          7        DO_FCALL                                      0  $3      
          8        ECHO                                                     $3
   25     9        INIT_FCALL                                               'getstaticvar'
         10        SEND_VAR                                                 !0
         11        DO_FCALL                                      0  $4      
         12        ECHO                                                     $4
         13      > RETURN                                                   1

Function getstaticvar:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 9, Position 2 = 11
Branch analysis from position: 9
2 jumps found. (Code = 43) Position 1 = 12, Position 2 = 14
Branch analysis from position: 12
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 14
Branch analysis from position: 11
filename:       /in/bfAt2
function name:  getStaticVar
number of ops:  17
compiled vars:  !0 = $name, !1 = $t, !2 = $flags
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
          1        RECV_INIT                                        !1      <false>
    5     2        BIND_STATIC                                              !2
    7     3        INIT_FCALL                                               'var_dump'
          4        SEND_VAR                                                 !2
          5        DO_ICALL                                                 
    9     6        ISSET_ISEMPTY_DIM_OBJ                         0  ~4      !2, !0
          7        BOOL_NOT                                         ~5      ~4
          8      > JMPZ                                                     ~5, ->11
   10     9    >   ASSIGN_DIM                                               !2, !0
         10        OP_DATA                                                  <false>
   14    11    > > JMPZ                                                     !1, ->14
   15    12    >   ASSIGN_DIM                                               !2, !0
         13        OP_DATA                                                  <true>
   18    14    >   FETCH_DIM_R                                      ~8      !2, !0
         15      > RETURN                                                   ~8
   19    16*     > RETURN                                                   null

End of function getstaticvar

Generated using Vulcan Logic Dumper, using php 8.0.0


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