3v4l.org

run code in 500+ PHP versions simultaneously
<?php class Foo { public static $classStatic = 1; public function test() { static $methodStatic = 1; return $methodStatic++; } } class Bar extends Foo {} $foo1 = new Foo; $foo2 = new Foo; $bar = new Bar; var_dump( $foo1->test(), $foo2->test(), $bar->test() ); Foo::$classStatic++; var_dump( Foo::$classStatic, Bar::$classStatic );
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/eKGWo
function name:  (null)
number of ops:  28
compiled vars:  !0 = $foo1, !1 = $foo2, !2 = $bar
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   17     0  E >   NEW                                                  $3      'Foo'
          1        DO_FCALL                                          0          
          2        ASSIGN                                                       !0, $3
   18     3        NEW                                                  $6      'Foo'
          4        DO_FCALL                                          0          
          5        ASSIGN                                                       !1, $6
   19     6        NEW                                                  $9      'Bar'
          7        DO_FCALL                                          0          
          8        ASSIGN                                                       !2, $9
   20     9        INIT_FCALL                                                   'var_dump'
   21    10        INIT_METHOD_CALL                                             !0, 'test'
         11        DO_FCALL                                          0  $12     
         12        SEND_VAR                                                     $12
   22    13        INIT_METHOD_CALL                                             !1, 'test'
         14        DO_FCALL                                          0  $13     
         15        SEND_VAR                                                     $13
   23    16        INIT_METHOD_CALL                                             !2, 'test'
         17        DO_FCALL                                          0  $14     
         18        SEND_VAR                                                     $14
   20    19        DO_ICALL                                                     
   26    20        PRE_INC_STATIC_PROP                                          'classStatic', 'Foo'
   27    21        INIT_FCALL                                                   'var_dump'
   28    22        FETCH_STATIC_PROP_R              unknown             ~17     'classStatic'
         23        SEND_VAL                                                     ~17
   29    24        FETCH_STATIC_PROP_R              unknown             ~18     'classStatic'
         25        SEND_VAL                                                     ~18
   27    26        DO_ICALL                                                     
   30    27      > RETURN                                                       1

Class Foo:
Function test:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/eKGWo
function name:  test
number of ops:  4
compiled vars:  !0 = $methodStatic
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    9     0  E >   BIND_STATIC                                                  !0
   11     1        POST_INC                                             ~1      !0
          2      > RETURN                                                       ~1
   12     3*     > RETURN                                                       null

End of function test

End of class Foo.

Class Bar:
Function test:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/eKGWo
function name:  test
number of ops:  4
compiled vars:  !0 = $methodStatic
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    9     0  E >   BIND_STATIC                                                  !0
   11     1        POST_INC                                             ~1      !0
          2      > RETURN                                                       ~1
   12     3*     > RETURN                                                       null

End of function test

End of class Bar.

Generated using Vulcan Logic Dumper, using php 8.5.0


preferences:
148.91 ms | 1466 KiB | 9 Q