3v4l.org

run code in 300+ PHP versions simultaneously
<?php class test { public function __toString() { throw new Exception('mooo'); return null; } } $x = new test; var_dump($x->__toString());
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/9tOnZ
function name:  (null)
number of ops:  10
compiled vars:  !0 = $x
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   DECLARE_CLASS                                            'test'
   13     1        NEW                                              $1      'test'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !0, $1
   15     4        INIT_FCALL                                               'var_dump'
          5        INIT_METHOD_CALL                                         !0, '__toString'
          6        DO_FCALL                                      0  $4      
          7        SEND_VAR                                                 $4
          8        DO_ICALL                                                 
          9      > RETURN                                                   1

Class test:
Function __tostring:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 108) Position 1 = -2
filename:       /in/9tOnZ
function name:  __toString
number of ops:  8
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    8     0  E >   NEW                                              $0      'Exception'
          1        SEND_VAL_EX                                              'mooo'
          2        DO_FCALL                                      0          
          3      > THROW                                         0          $0
    9     4*       VERIFY_RETURN_TYPE                               ~2      null
          5*       RETURN                                                   ~2
   10     6*       VERIFY_RETURN_TYPE                                       
          7*     > RETURN                                                   null

End of function __tostring

End of class test.

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
161.58 ms | 1395 KiB | 15 Q