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<?php declare(strict_types=1); /* Akzeptiert NULL Werte */ function test(int $obj=null) { } test(null); test(2);
based on tOtLF
Finding entry points
Branch analysis from position: 0
Jump found. Position 1 = -2
filename:       /in/ApYY2
function name:  (null)
number of ops:  8
compiled vars:  none
line     #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   5     0  E >   NOP                                                      
   9     1        INIT_FCALL                                               'test'
         2        SEND_VAL                                                 null
         3        DO_FCALL                                      0          
  10     4        INIT_FCALL                                               'test'
         5        SEND_VAL                                                 2
         6        DO_FCALL                                      0          
         7      > RETURN                                                   1

Function test:
Finding entry points
Branch analysis from position: 0
Jump found. Position 1 = -2
filename:       /in/ApYY2
function name:  test
number of ops:  2
compiled vars:  !0 = $obj
line     #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   5     0  E >   RECV_INIT                                        !0      null
   7     1      > RETURN                                                   null

End of function test

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