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<?php $variableName = 'foo'; // Create new variable with the name defined in variable $variableName $obj = (object) array( "foo" => "1", "bar" => "2", ); echo $obj->{$variableName}; ${$variableName} = 'MyValue'; //Outputs: string(7) "MyValue" echo $foo;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/PVooL
function name:  (null)
number of ops:  9
compiled vars:  !0 = $variableName, !1 = $obj, !2 = $foo
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 'foo'
    5     1        CAST                                          8  ~4      <array>
    4     2        ASSIGN                                                   !1, ~4
    8     3        FETCH_OBJ_R                                      ~6      !1, !0
          4        ECHO                                                     ~6
    9     5        FETCH_W                      local               $7      !0
          6        ASSIGN                                                   $7, 'MyValue'
   11     7        ECHO                                                     !2
          8      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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