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<?php class C { static function foo($x = null) {} } $reflMethod = new ReflectionMethod('C', 'foo'); $reflParam = $reflMethod->getParameters()[0]; // $serReflMethod = serialize($reflMethod); // No warning. $serReflParam = serialize($reflParam); $unserReflParam = unserialize($serReflParam); // Fatal error: ReflectionParameter::isOptional(): Internal error: Failed to retrieve the reflection object in /in/U5kcQ on line 13 $unserReflParam->isOptional();
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/t1bCc
function name:  (null)
number of ops:  24
compiled vars:  !0 = $reflMethod, !1 = $reflParam, !2 = $serReflMethod, !3 = $serReflParam, !4 = $unserReflParam
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    7     0  E >   NEW                                                  $5      'ReflectionMethod'
          1        SEND_VAL_EX                                                  'C'
          2        SEND_VAL_EX                                                  'foo'
          3        DO_FCALL                                          0          
          4        ASSIGN                                                       !0, $5
    8     5        INIT_METHOD_CALL                                             !0, 'getParameters'
          6        DO_FCALL                                          0  $8      
          7        FETCH_DIM_R                                          ~9      $8, 0
          8        ASSIGN                                                       !1, ~9
   11     9        INIT_FCALL                                                   'serialize'
         10        SEND_VAR                                                     !0
         11        DO_ICALL                                             $11     
         12        ASSIGN                                                       !2, $11
   14    13        INIT_FCALL                                                   'serialize'
         14        SEND_VAR                                                     !1
         15        DO_ICALL                                             $13     
         16        ASSIGN                                                       !3, $13
   15    17        INIT_FCALL                                                   'unserialize'
         18        SEND_VAR                                                     !3
         19        DO_ICALL                                             $15     
         20        ASSIGN                                                       !4, $15
   18    21        INIT_METHOD_CALL                                             !4, 'isOptional'
         22        DO_FCALL                                          0          
         23      > RETURN                                                       1

Class C:
Function foo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/t1bCc
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 8.5.0


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