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<?php json_decode('{null'); var_dump(json_last_error()); var_dump(json_last_error() !== JSON_ERROR_NONE);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/fkmmD
function name:  (null)
number of ops:  15
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'json_decode'
          1        SEND_VAL                                                 '%7Bnull'
          2        DO_ICALL                                                 
    4     3        INIT_FCALL                                               'var_dump'
          4        INIT_FCALL                                               'json_last_error'
          5        DO_ICALL                                         $1      
          6        SEND_VAR                                                 $1
          7        DO_ICALL                                                 
    5     8        INIT_FCALL                                               'var_dump'
          9        INIT_FCALL                                               'json_last_error'
         10        DO_ICALL                                         $3      
         11        IS_NOT_IDENTICAL                                 ~4      $3, 0
         12        SEND_VAL                                                 ~4
         13        DO_ICALL                                                 
         14      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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