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<?php // investigating closures in closures $f = function() { $p = 'p'; return static function() { return $p; }; }; $g = static function() { $p = 'p'; return static function() { return $p; }; }; var_dump($f(), $g());
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/aorI2
function name:  (null)
number of ops:  13
compiled vars:  !0 = $f, !1 = $g
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2FaorI2%3A3%240'
          1        ASSIGN                                                   !0, ~2
   11     2        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2FaorI2%3A11%242'
          3        ASSIGN                                                   !1, ~4
   18     4        INIT_FCALL                                               'var_dump'
          5        INIT_DYNAMIC_CALL                                        !0
          6        DO_FCALL                                      0  $6      
          7        SEND_VAR                                                 $6
          8        INIT_DYNAMIC_CALL                                        !1
          9        DO_FCALL                                      0  $7      
         10        SEND_VAR                                                 $7
         11        DO_ICALL                                                 
         12      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2FaorI2%3A3%240:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/aorI2
function name:  {closure}
number of ops:  4
compiled vars:  !0 = $p
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   ASSIGN                                                   !0, 'p'
    5     1        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2FaorI2%3A5%241'
    7     2      > RETURN                                                   ~2
    8     3*     > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2FaorI2%3A3%240

Function %00%7Bclosure%7D%2Fin%2FaorI2%3A5%241:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/aorI2
function name:  {closure}
number of ops:  2
compiled vars:  !0 = $p
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    6     0  E > > RETURN                                                   !0
    7     1*     > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2FaorI2%3A5%241

Function %00%7Bclosure%7D%2Fin%2FaorI2%3A11%242:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/aorI2
function name:  {closure}
number of ops:  4
compiled vars:  !0 = $p
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   12     0  E >   ASSIGN                                                   !0, 'p'
   13     1        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2FaorI2%3A13%243'
   15     2      > RETURN                                                   ~2
   16     3*     > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2FaorI2%3A11%242

Function %00%7Bclosure%7D%2Fin%2FaorI2%3A13%243:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/aorI2
function name:  {closure}
number of ops:  2
compiled vars:  !0 = $p
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   14     0  E > > RETURN                                                   !0
   15     1*     > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2FaorI2%3A13%243

Generated using Vulcan Logic Dumper, using php 8.0.0


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