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<?php $something = 42; $closure = function (string $str) use ($something) : int { return strlen($str) + $something; }; $something = 3; echo $closure("hello"); $something = 4; echo $closure("hello");
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/dnXp9
function name:  (null)
number of ops:  15
compiled vars:  !0 = $something, !1 = $closure
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 42
    4     1        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2FdnXp9%3A4%240'
          2        BIND_LEXICAL                                             ~3, !0
          3        ASSIGN                                                   !1, ~3
    8     4        ASSIGN                                                   !0, 3
    9     5        INIT_DYNAMIC_CALL                                        !1
          6        SEND_VAL_EX                                              'hello'
          7        DO_FCALL                                      0  $6      
          8        ECHO                                                     $6
   10     9        ASSIGN                                                   !0, 4
   11    10        INIT_DYNAMIC_CALL                                        !1
         11        SEND_VAL_EX                                              'hello'
         12        DO_FCALL                                      0  $8      
         13        ECHO                                                     $8
         14      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2FdnXp9%3A4%240:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/dnXp9
function name:  {closure}
number of ops:  8
compiled vars:  !0 = $str, !1 = $something
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   RECV                                             !0      
          1        BIND_STATIC                                              !1
    5     2        STRLEN                                           ~2      !0
          3        ADD                                              ~3      ~2, !1
          4        VERIFY_RETURN_TYPE                                       ~3
          5      > RETURN                                                   ~3
    6     6*       VERIFY_RETURN_TYPE                                       
          7*     > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2FdnXp9%3A4%240

Generated using Vulcan Logic Dumper, using php 8.0.0


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