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<?php function a($b) { if($b===NULL) echo '$b is NULL<br/>'; if($b!==NULL) echo '$b isnt NULL<br/>'; var_dump($b); } a();
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/trrrU
function name:  (null)
number of ops:  3
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   10     0  E >   INIT_FCALL                                               'a'
          1        DO_FCALL                                      0          
          2      > RETURN                                                   1

Function a:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 3, Position 2 = 4
Branch analysis from position: 3
2 jumps found. (Code = 43) Position 1 = 6, Position 2 = 7
Branch analysis from position: 6
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 7
Branch analysis from position: 4
filename:       /in/trrrU
function name:  a
number of ops:  11
compiled vars:  !0 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
    5     1        TYPE_CHECK                                    2          !0
          2      > JMPZ                                                     ~1, ->4
          3    >   ECHO                                                     '%24b+is+NULL%3Cbr%2F%3E'
    6     4    >   TYPE_CHECK                                  1020          !0
          5      > JMPZ                                                     ~2, ->7
          6    >   ECHO                                                     '%24b+isnt+NULL%3Cbr%2F%3E'
    7     7    >   INIT_FCALL                                               'var_dump'
          8        SEND_VAR                                                 !0
          9        DO_ICALL                                                 
    8    10      > RETURN                                                   null

End of function a

Generated using Vulcan Logic Dumper, using php 8.0.0


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