3v4l.org

run code in 500+ PHP versions simultaneously
<?php spl_autoload_register(function() { eval('class Foo {'); // syntax error }); spl_autoload_register(function() { throw new Exception(); }); new Widget();
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/NSaTZ
function name:  (null)
number of ops:  12
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                                   'spl_autoload_register'
          1        DECLARE_LAMBDA_FUNCTION                              ~0      [0]
    5     2        SEND_VAL                                                     ~0
    3     3        DO_ICALL                                                     
    6     4        INIT_FCALL                                                   'spl_autoload_register'
          5        DECLARE_LAMBDA_FUNCTION                              ~2      [1]
    8     6        SEND_VAL                                                     ~2
    6     7        DO_ICALL                                                     
   10     8        NEW                                                  $4      'Widget'
          9        DO_FCALL                                          0          
         10        FREE                                                         $4
         11      > RETURN                                                       1


Dynamic Functions:
Dynamic Function 0
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/NSaTZ
function name:  {closure:/in/NSaTZ:3}
number of ops:  2
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    4     0  E >   INCLUDE_OR_EVAL                                              'class+Foo+%7B', EVAL
    5     1      > RETURN                                                       null

End of Dynamic Function 0

Dynamic Function 1
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 108) Position 1 = -2
filename:       /in/NSaTZ
function name:  {closure:/in/NSaTZ:6}
number of ops:  4
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    7     0  E >   NEW                                                  $0      'Exception'
          1        DO_FCALL                                          0          
          2      > THROW                                             0          $0
    8     3*     > RETURN                                                       null

End of Dynamic Function 1

Generated using Vulcan Logic Dumper, using php 8.5.0


preferences:
167.02 ms | 2080 KiB | 14 Q