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<?php class C { static function foo($x = null) {} } $reflClass = new ReflectionMethod('C', 'foo'); $params = $reflClass->getParameters(); $param = $params[0]; $param->isOptional();
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/M7DdN
function name:  (null)
number of ops:  13
compiled vars:  !0 = $reflClass, !1 = $params, !2 = $param
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E >   NEW                                              $3      'ReflectionMethod'
          1        SEND_VAL_EX                                              'C'
          2        SEND_VAL_EX                                              'foo'
          3        DO_FCALL                                      0          
          4        ASSIGN                                                   !0, $3
    8     5        INIT_METHOD_CALL                                         !0, 'getParameters'
          6        DO_FCALL                                      0  $6      
          7        ASSIGN                                                   !1, $6
    9     8        FETCH_DIM_R                                      ~8      !1, 0
          9        ASSIGN                                                   !2, ~8
   10    10        INIT_METHOD_CALL                                         !2, 'isOptional'
         11        DO_FCALL                                      0          
         12      > RETURN                                                   1

Class C:
Function foo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/M7DdN
function name:  foo
number of ops:  2
compiled vars:  !0 = $x
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   RECV_INIT                                        !0      null
          1      > RETURN                                                   null

End of function foo

End of class C.

Generated using Vulcan Logic Dumper, using php 8.0.0


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