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<?php function someFunction(int $someVariable): boolean { if ($someVariable > 10) { return true; } else if ($someVariable < -10) { return false; } return null; } echo someFunction(11); echo someFunction(-11); echo someFunction(0);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/bdQKO
function name:  (null)
number of ops:  13
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   12     0  E >   INIT_FCALL                                               'somefunction'
          1        SEND_VAL                                                 11
          2        DO_FCALL                                      0  $0      
          3        ECHO                                                     $0
   13     4        INIT_FCALL                                               'somefunction'
          5        SEND_VAL                                                 -11
          6        DO_FCALL                                      0  $1      
          7        ECHO                                                     $1
   14     8        INIT_FCALL                                               'somefunction'
          9        SEND_VAL                                                 0
         10        DO_FCALL                                      0  $2      
         11        ECHO                                                     $2
         12      > RETURN                                                   1

Function somefunction:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 3, Position 2 = 6
Branch analysis from position: 3
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 6
2 jumps found. (Code = 43) Position 1 = 8, Position 2 = 10
Branch analysis from position: 8
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 10
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/bdQKO
function name:  someFunction
number of ops:  14
compiled vars:  !0 = $someVariable
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
    4     1        IS_SMALLER                                               10, !0
          2      > JMPZ                                                     ~1, ->6
    5     3    >   VERIFY_RETURN_TYPE                               ~2      <true>
          4      > RETURN                                                   ~2
          5*       JMP                                                      ->10
    6     6    >   IS_SMALLER                                               !0, -10
          7      > JMPZ                                                     ~3, ->10
    7     8    >   VERIFY_RETURN_TYPE                               ~4      <false>
          9      > RETURN                                                   ~4
    9    10    >   VERIFY_RETURN_TYPE                               ~5      null
         11      > RETURN                                                   ~5
   10    12*       VERIFY_RETURN_TYPE                                       
         13*     > RETURN                                                   null

End of function somefunction

Generated using Vulcan Logic Dumper, using php 8.0.0


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