3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A {} function getfunc() { $b = function() { $a = function() { return 'apple'; }; echo $a(); }; return $b->bindTo(new A()); } call_user_func(getfunc());
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/311YT
function name:  (null)
number of ops:  5
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   13     0  E >   INIT_FCALL                                               'getfunc'
          1        DO_FCALL                                      0  $0      
          2        INIT_USER_CALL                                0          'call_user_func', $0
          3        DO_FCALL                                      0          
          4      > RETURN                                                   1

Function getfunc:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/311YT
function name:  getfunc
number of ops:  9
compiled vars:  !0 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2F311YT%3A4%240'
          1        ASSIGN                                                   !0, ~1
   10     2        INIT_METHOD_CALL                                         !0, 'bindTo'
          3        NEW                                              $3      'A'
          4        DO_FCALL                                      0          
          5        SEND_VAR_NO_REF_EX                                       $3
          6        DO_FCALL                                      0  $5      
          7      > RETURN                                                   $5
   11     8*     > RETURN                                                   null

End of function getfunc

Function %00%7Bclosure%7D%2Fin%2F311YT%3A4%240:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/311YT
function name:  {closure}
number of ops:  6
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E >   DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2F311YT%3A5%241'
          1        ASSIGN                                                   !0, ~1
    8     2        INIT_DYNAMIC_CALL                                        !0
          3        DO_FCALL                                      0  $3      
          4        ECHO                                                     $3
    9     5      > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2F311YT%3A4%240

Function %00%7Bclosure%7D%2Fin%2F311YT%3A5%241:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/311YT
function name:  {closure}
number of ops:  2
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    6     0  E > > RETURN                                                   'apple'
    7     1*     > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2F311YT%3A5%241

Class A: [no user functions]

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
165.42 ms | 944 KiB | 15 Q