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<?php $output = "null\r"; var_dump(trim(str_replace("null","",$output))!="");
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/VoG2V
function name:  (null)
number of ops:  14
compiled vars:  !0 = $output
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'null%0D'
    5     1        INIT_FCALL                                               'var_dump'
          2        INIT_FCALL                                               'trim'
          3        INIT_FCALL                                               'str_replace'
          4        SEND_VAL                                                 'null'
          5        SEND_VAL                                                 ''
          6        SEND_VAR                                                 !0
          7        DO_ICALL                                         $2      
          8        SEND_VAR                                                 $2
          9        DO_ICALL                                         $3      
         10        IS_NOT_EQUAL                                     ~4      $3, ''
         11        SEND_VAL                                                 ~4
         12        DO_ICALL                                                 
         13      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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