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<?php $id="sadf"; $message=""; $rm_trash = preg_replace('#\/\*.*\*\/#U','',$id); var_dump($rm_trash); var_dump(preg_match('#^[^0-9]#',$rm_trash));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Cu880
function name:  (null)
number of ops:  19
compiled vars:  !0 = $id, !1 = $message, !2 = $rm_trash
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 'sadf'
    4     1        ASSIGN                                                   !1, ''
    5     2        INIT_FCALL                                               'preg_replace'
          3        SEND_VAL                                                 '%23%5C%2F%5C%2A.%2A%5C%2A%5C%2F%23U'
          4        SEND_VAL                                                 ''
          5        SEND_VAR                                                 !0
          6        DO_ICALL                                         $5      
          7        ASSIGN                                                   !2, $5
    6     8        INIT_FCALL                                               'var_dump'
          9        SEND_VAR                                                 !2
         10        DO_ICALL                                                 
    7    11        INIT_FCALL                                               'var_dump'
         12        INIT_FCALL                                               'preg_match'
         13        SEND_VAL                                                 '%23%5E%5B%5E0-9%5D%23'
         14        SEND_VAR                                                 !2
         15        DO_ICALL                                         $8      
         16        SEND_VAR                                                 $8
         17        DO_ICALL                                                 
         18      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
152.27 ms | 1394 KiB | 19 Q