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<?php function test (string $a) { return $a ? 'true' : 'false'; } print test(pow(4, -1));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/ngKFc
function name:  (null)
number of ops:  9
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E >   INIT_FCALL                                               'test'
          1        INIT_FCALL                                               'pow'
          2        SEND_VAL                                                 4
          3        SEND_VAL                                                 -1
          4        DO_ICALL                                         $0      
          5        SEND_VAR                                                 $0
          6        DO_FCALL                                      0  $1      
          7        ECHO                                                     $1
          8      > RETURN                                                   1

Function test:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 2, Position 2 = 4
Branch analysis from position: 2
1 jumps found. (Code = 42) Position 1 = 5
Branch analysis from position: 5
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 4
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/ngKFc
function name:  test
number of ops:  7
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
    4     1      > JMPZ                                                     !0, ->4
          2    >   QM_ASSIGN                                        ~1      'true'
          3      > JMP                                                      ->5
          4    >   QM_ASSIGN                                        ~1      'false'
          5    > > RETURN                                                   ~1
    5     6*     > RETURN                                                   null

End of function test

Generated using Vulcan Logic Dumper, using php 8.0.0


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