3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { public function __toString() { $exception = new Exception('foo'); trigger_error((string) $exception, E_USER_ERROR); } } $foo = new Foo; echo $foo;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/v0gt2
function name:  (null)
number of ops:  6
compiled vars:  !0 = $foo
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   DECLARE_CLASS                                            'foo'
   10     1        NEW                                              $1      'Foo'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !0, $1
   12     4        ECHO                                                     !0
          5      > RETURN                                                   1

Class Foo:
Function __tostring:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/v0gt2
function name:  __toString
number of ops:  11
compiled vars:  !0 = $exception
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E >   NEW                                              $1      'Exception'
          1        SEND_VAL_EX                                              'foo'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !0, $1
    6     4        INIT_FCALL                                               'trigger_error'
          5        CAST                                          6  ~4      !0
          6        SEND_VAL                                                 ~4
          7        SEND_VAL                                                 256
          8        DO_ICALL                                                 
    7     9        VERIFY_RETURN_TYPE                                       
         10      > RETURN                                                   null

End of function __tostring

End of class Foo.

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
140.59 ms | 1451 KiB | 14 Q