3v4l.org

run code in 300+ PHP versions simultaneously
<?php function with($v) { return $v; }; class Foo { function bar() { return array(1,2,3,4); } } $f = new Foo; with($f->bar())[1];
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/soi0U
function name:  (null)
number of ops:  11
compiled vars:  !0 = $f
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   11     0  E >   NEW                                              $1      'Foo'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $1
   12     3        INIT_FCALL                                               'with'
          4        INIT_METHOD_CALL                                         !0, 'bar'
          5        DO_FCALL                                      0  $4      
          6        SEND_VAR                                                 $4
          7        DO_FCALL                                      0  $5      
          8        FETCH_DIM_R                                      ~6      $5, 1
          9        FREE                                                     ~6
         10      > RETURN                                                   1

Function with:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/soi0U
function name:  with
number of ops:  3
compiled vars:  !0 = $v
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   RECV                                             !0      
          1      > RETURN                                                   !0
          2*     > RETURN                                                   null

End of function with

Class Foo:
Function bar:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/soi0U
function name:  bar
number of ops:  2
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    6     0  E > > RETURN                                                   <array>
    7     1*     > RETURN                                                   null

End of function bar

End of class Foo.

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
157.09 ms | 1397 KiB | 14 Q