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<?php class demo{ public static $demo = "static.demo"; public static function mydemo(){ echo "static.mydemo"; } } $a = new demo(); echo $a::$demo;//版本的问题吧php 5.2.17报错 demo::$demo;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/AnvjF
function name:  (null)
number of ops:  9
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    9     0  E >   NEW                                              $1      'demo'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $1
   10     3        FETCH_CLASS                                   0  $4      !0
          4        FETCH_STATIC_PROP_R          global lock         ~5      'demo'
          5        ECHO                                                     ~5
   11     6        FETCH_STATIC_PROP_R          unknown             ~6      'demo'
          7        FREE                                                     ~6
          8      > RETURN                                                   1

Class demo:
Function mydemo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/AnvjF
function name:  mydemo
number of ops:  2
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    6     0  E >   ECHO                                                     'static.mydemo'
    7     1      > RETURN                                                   null

End of function mydemo

End of class demo.

Generated using Vulcan Logic Dumper, using php 8.0.0


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