3v4l.org

run code in 300+ PHP versions simultaneously
<?php function test($var) { echo "Testing: $var\n"; } class foo { var $arr = array("test"); function bar($str) { $this->arr[0]($str); } } $foo = new foo; $foo->bar("bla");
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/G7kIu
function name:  (null)
number of ops:  7
compiled vars:  !0 = $foo
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   18     0  E >   NEW                                              $1      'foo'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $1
   19     3        INIT_METHOD_CALL                                         !0, 'bar'
          4        SEND_VAL_EX                                              'bla'
          5        DO_FCALL                                      0          
          6      > RETURN                                                   1

Function test:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/G7kIu
function name:  test
number of ops:  6
compiled vars:  !0 = $var
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
    5     1        ROPE_INIT                                     3  ~2      'Testing%3A+'
          2        ROPE_ADD                                      1  ~2      ~2, !0
          3        ROPE_END                                      2  ~1      ~2, '%0A'
          4        ECHO                                                     ~1
    6     5      > RETURN                                                   null

End of function test

Class foo:
Function bar:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/G7kIu
function name:  bar
number of ops:  7
compiled vars:  !0 = $str
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   12     0  E >   RECV                                             !0      
   13     1        FETCH_OBJ_R                                      ~1      'arr'
          2        FETCH_DIM_R                                      ~2      ~1, 0
          3        INIT_DYNAMIC_CALL                                        ~2
          4        SEND_VAR_EX                                              !0
          5        DO_FCALL                                      0          
   15     6      > RETURN                                                   null

End of function bar

End of class foo.

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
157.23 ms | 1394 KiB | 13 Q