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<?php $var = "0 OR 1=1; --"; var_dump( sprintf( "SELECT * FROM wp_posts WHERE post_author=%s", $var ) ); var_dump( sprintf( "SELECT * FROM wp_posts WHERE post_author=%d", $var ) );
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/X0kXD
function name:  (null)
number of ops:  16
compiled vars:  !0 = $var
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '0+OR+1%3D1%3B+--'
    5     1        INIT_FCALL                                               'var_dump'
          2        INIT_FCALL                                               'sprintf'
          3        SEND_VAL                                                 'SELECT+%2A+FROM+wp_posts+WHERE+post_author%3D%25s'
          4        SEND_VAR                                                 !0
          5        DO_ICALL                                         $2      
          6        SEND_VAR                                                 $2
          7        DO_ICALL                                                 
    6     8        INIT_FCALL                                               'var_dump'
          9        INIT_FCALL                                               'sprintf'
         10        SEND_VAL                                                 'SELECT+%2A+FROM+wp_posts+WHERE+post_author%3D%25d'
         11        SEND_VAR                                                 !0
         12        DO_ICALL                                         $4      
         13        SEND_VAR                                                 $4
         14        DO_ICALL                                                 
         15      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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