3v4l.org

run code in 300+ PHP versions simultaneously
<?php $t = 5; mul(($c = $t)); function mul(&$t) { $t *= 5; } var_dump($t);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/v8sFd
function name:  (null)
number of ops:  9
compiled vars:  !0 = $t, !1 = $c
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 5
    5     1        INIT_FCALL_BY_NAME                                       'mul'
          2        ASSIGN                                           ~3      !1, !0
          3        SEND_VAL_EX                                              ~3
          4        DO_FCALL                                      0          
   11     5        INIT_FCALL                                               'var_dump'
          6        SEND_VAR                                                 !0
          7        DO_ICALL                                                 
          8      > RETURN                                                   1

Function mul:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/v8sFd
function name:  mul
number of ops:  3
compiled vars:  !0 = $t
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E >   RECV                                             !0      
    8     1        ASSIGN_OP                                     3          !0, 5
    9     2      > RETURN                                                   null

End of function mul

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
143.36 ms | 1385 KiB | 15 Q