3v4l.org

run code in 300+ PHP versions simultaneously
<?php function fct_add(float $a, float $b): float { return 'a + b: ' . $a + $b; } print fct_add(.1, .2); # float(3)
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/1APfE
function name:  (null)
number of ops:  6
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    6     0  E >   INIT_FCALL                                               'fct_add'
          1        SEND_VAL                                                 0.1
          2        SEND_VAL                                                 0.2
          3        DO_FCALL                                      0  $0      
          4        ECHO                                                     $0
          5      > RETURN                                                   1

Function fct_add:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/1APfE
function name:  fct_add
number of ops:  8
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   RECV                                             !0      
          1        RECV                                             !1      
    3     2        ADD                                              ~2      !0, !1
          3        CONCAT                                           ~3      'a+%2B+b%3A+', ~2
          4        VERIFY_RETURN_TYPE                                       ~3
          5      > RETURN                                                   ~3
    4     6*       VERIFY_RETURN_TYPE                                       
          7*     > RETURN                                                   null

End of function fct_add

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
171.34 ms | 1397 KiB | 14 Q