3v4l.org

run code in 300+ PHP versions simultaneously
<?php function add($zahl, $zaehl){ return zahl - zaehl; } echo add(21, 21);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/NafUX
function name:  (null)
number of ops:  6
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    8     0  E >   INIT_FCALL                                               'add'
          1        SEND_VAL                                                 21
          2        SEND_VAL                                                 21
          3        DO_FCALL                                      0  $0      
          4        ECHO                                                     $0
          5      > RETURN                                                   1

Function add:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/NafUX
function name:  add
number of ops:  7
compiled vars:  !0 = $zahl, !1 = $zaehl
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
          1        RECV                                             !1      
    4     2        FETCH_CONSTANT                                   ~2      'zahl'
          3        FETCH_CONSTANT                                   ~3      'zaehl'
          4        SUB                                              ~4      ~2, ~3
          5      > RETURN                                                   ~4
    6     6*     > RETURN                                                   null

End of function add

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
149.31 ms | 1397 KiB | 14 Q