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<?php $foo = 'bar'; $closure = function() use ($foo) { echo $foo; }; $global = function() { global $foo; echo $foo; }; $foo = 42; $closure(); // echos "bar" echo "=========="; $global(); // echos 42
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/kWX44
function name:  (null)
number of ops:  13
compiled vars:  !0 = $foo, !1 = $closure, !2 = $global
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'bar'
    4     1        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2FkWX44%3A4%240'
          2        BIND_LEXICAL                                             ~4, !0
          3        ASSIGN                                                   !1, ~4
    7     4        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2FkWX44%3A7%241'
          5        ASSIGN                                                   !2, ~6
   12     6        ASSIGN                                                   !0, 42
   13     7        INIT_DYNAMIC_CALL                                        !1
          8        DO_FCALL                                      0          
   14     9        ECHO                                                     '%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D'
   15    10        INIT_DYNAMIC_CALL                                        !2
         11        DO_FCALL                                      0          
         12      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2FkWX44%3A4%240:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/kWX44
function name:  {closure}
number of ops:  3
compiled vars:  !0 = $foo
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   BIND_STATIC                                              !0
    5     1        ECHO                                                     !0
    6     2      > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2FkWX44%3A4%240

Function %00%7Bclosure%7D%2Fin%2FkWX44%3A7%241:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/kWX44
function name:  {closure}
number of ops:  3
compiled vars:  !0 = $foo
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    8     0  E >   BIND_GLOBAL                                              !0, 'foo'
    9     1        ECHO                                                     !0
   10     2      > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2FkWX44%3A7%241

Generated using Vulcan Logic Dumper, using php 8.0.0


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