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<?php class TestClass { public $foo; public function __construct($foo) { $this->foo = $foo; } public function __toString() { return "{$this->foo}"; } } $testClass = new TestClass(18); var_dump((int)(string)$testClass);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/hgZrR
function name:  (null)
number of ops:  11
compiled vars:  !0 = $testClass
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   DECLARE_CLASS                                            'testclass'
   18     1        NEW                                              $1      'TestClass'
          2        SEND_VAL_EX                                              18
          3        DO_FCALL                                      0          
          4        ASSIGN                                                   !0, $1
   20     5        INIT_FCALL                                               'var_dump'
          6        CAST                                          6  ~4      !0
          7        CAST                                          4  ~5      ~4
          8        SEND_VAL                                                 ~5
          9        DO_ICALL                                                 
         10      > RETURN                                                   1

Class TestClass:
Function __construct:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/hgZrR
function name:  __construct
number of ops:  4
compiled vars:  !0 = $foo
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E >   RECV                                             !0      
    9     1        ASSIGN_OBJ                                               'foo'
          2        OP_DATA                                                  !0
   10     3      > RETURN                                                   null

End of function __construct

Function __tostring:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/hgZrR
function name:  __toString
number of ops:  6
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   14     0  E >   FETCH_OBJ_R                                      ~0      'foo'
          1        CAST                                          6  ~1      ~0
          2        VERIFY_RETURN_TYPE                                       ~1
          3      > RETURN                                                   ~1
   15     4*       VERIFY_RETURN_TYPE                                       
          5*     > RETURN                                                   null

End of function __tostring

End of class TestClass.

Generated using Vulcan Logic Dumper, using php 8.0.0


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