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

Function test:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/1BCoS
function name:  test
number of ops:  3
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
    4     1      > RETURN                                                   !0
    5     2*     > RETURN                                                   null

End of function test

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