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<?php $a = '\x30'; $a = str_replace($a, '\x', ''); echo hex2bin($a).'hi';
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/kPn3o
function name:  (null)
number of ops:  13
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, '%5Cx30'
    3     1        INIT_FCALL                                               'str_replace'
          2        SEND_VAR                                                 !0
          3        SEND_VAL                                                 '%5Cx'
          4        SEND_VAL                                                 ''
          5        DO_ICALL                                         $2      
          6        ASSIGN                                                   !0, $2
    5     7        INIT_FCALL                                               'hex2bin'
          8        SEND_VAR                                                 !0
          9        DO_ICALL                                         $4      
         10        CONCAT                                           ~5      $4, 'hi'
         11        ECHO                                                     ~5
         12      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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