3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Some { private $callback; public function __construct(\Closure $callMyBabyBack) { $this->callback = $callMyBabyBack; } public function work() { $this->callback(); } } $some = new Some(function(){ echo "working..."; }); $some->work();
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/KsClH
function name:  (null)
number of ops:  8
compiled vars:  !0 = $some
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   29     0  E >   NEW                                              $1      'Some'
          1        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2FKsClH%3A29%240'
   31     2        SEND_VAL_EX                                              ~2
          3        DO_FCALL                                      0          
   29     4        ASSIGN                                                   !0, $1
   34     5        INIT_METHOD_CALL                                         !0, 'work'
          6        DO_FCALL                                      0          
          7      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2FKsClH%3A29%240:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/KsClH
function name:  {closure}
number of ops:  2
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   30     0  E >   ECHO                                                     'working...'
   31     1      > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2FKsClH%3A29%240

Class Some:
Function __construct:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/KsClH
function name:  __construct
number of ops:  4
compiled vars:  !0 = $callMyBabyBack
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   12     0  E >   RECV                                             !0      
   14     1        ASSIGN_OBJ                                               'callback'
          2        OP_DATA                                                  !0
   15     3      > RETURN                                                   null

End of function __construct

Function work:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/KsClH
function name:  work
number of ops:  3
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   20     0  E >   INIT_METHOD_CALL                                         'callback'
          1        DO_FCALL                                      0          
   21     2      > RETURN                                                   null

End of function work

End of class Some.

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
150.25 ms | 1395 KiB | 13 Q