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<?php $cl = function($b) { return function() use (&$b) { ++$b; echo $b . PHP_EOL; }; }; $i = $cl(1); $i(); $i();
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/5EHVq
function name:  (null)
number of ops:  11
compiled vars:  !0 = $cl, !1 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2F5EHVq%3A4%240'
          1        ASSIGN                                                   !0, ~2
   12     2        INIT_DYNAMIC_CALL                                        !0
          3        SEND_VAL_EX                                              1
          4        DO_FCALL                                      0  $4      
          5        ASSIGN                                                   !1, $4
   13     6        INIT_DYNAMIC_CALL                                        !1
          7        DO_FCALL                                      0          
   14     8        INIT_DYNAMIC_CALL                                        !1
          9        DO_FCALL                                      0          
         10      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2F5EHVq%3A4%240:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/5EHVq
function name:  {closure}
number of ops:  5
compiled vars:  !0 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   RECV                                             !0      
    6     1        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2F5EHVq%3A6%241'
          2        BIND_LEXICAL                                             ~1, !0
    9     3      > RETURN                                                   ~1
   10     4*     > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2F5EHVq%3A4%240

Function %00%7Bclosure%7D%2Fin%2F5EHVq%3A6%241:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/5EHVq
function name:  {closure}
number of ops:  5
compiled vars:  !0 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    6     0  E >   BIND_STATIC                                              !0
    7     1        PRE_INC                                                  !0
    8     2        CONCAT                                           ~2      !0, '%0A'
          3        ECHO                                                     ~2
    9     4      > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2F5EHVq%3A6%241

Generated using Vulcan Logic Dumper, using php 8.0.0


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