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<?php $bar = 1; $func = (function ($foo) use ($bar) : bool { return $foo === $bar; }); var_dump($func(1)); var_dump($func(2));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/pJBrC
function name:  (null)
number of ops:  17
compiled vars:  !0 = $bar, !1 = $func
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 1
    5     1        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2FpJBrC%3A5%240'
          2        BIND_LEXICAL                                             ~3, !0
          3        ASSIGN                                                   !1, ~3
    9     4        INIT_FCALL                                               'var_dump'
          5        INIT_DYNAMIC_CALL                                        !1
          6        SEND_VAL_EX                                              1
          7        DO_FCALL                                      0  $5      
          8        SEND_VAR                                                 $5
          9        DO_ICALL                                                 
   10    10        INIT_FCALL                                               'var_dump'
         11        INIT_DYNAMIC_CALL                                        !1
         12        SEND_VAL_EX                                              2
         13        DO_FCALL                                      0  $7      
         14        SEND_VAR                                                 $7
         15        DO_ICALL                                                 
         16      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2FpJBrC%3A5%240:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/pJBrC
function name:  {closure}
number of ops:  7
compiled vars:  !0 = $foo, !1 = $bar
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E >   RECV                                             !0      
          1        BIND_STATIC                                              !1
    6     2        IS_IDENTICAL                                     ~2      !0, !1
          3        VERIFY_RETURN_TYPE                                       ~2
          4      > RETURN                                                   ~2
    7     5*       VERIFY_RETURN_TYPE                                       
          6*     > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2FpJBrC%3A5%240

Generated using Vulcan Logic Dumper, using php 8.0.0


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