3v4l.org

run code in 300+ PHP versions simultaneously
<?php function magic($p, $q) { if ($q == 0) { var_dump('================================'); var_dump('$p: ' . $p); var_dump('$q: ' . $q); var_dump('================================'); return $p; } else { var_dump('================================'); var_dump('$p: ' . $p); var_dump('$q: ' . $q); var_dump('================================'); return magic($q, $p % $q); } } var_dump(magic(1024, 1000));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/bPPSc
function name:  (null)
number of ops:  8
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   17     0  E >   INIT_FCALL                                               'var_dump'
          1        INIT_FCALL                                               'magic'
          2        SEND_VAL                                                 1024
          3        SEND_VAL                                                 1000
          4        DO_FCALL                                      0  $0      
          5        SEND_VAR                                                 $0
          6        DO_ICALL                                                 
          7      > RETURN                                                   1

Function magic:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 4, Position 2 = 20
Branch analysis from position: 4
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 20
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/bPPSc
function name:  magic
number of ops:  41
compiled vars:  !0 = $p, !1 = $q
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   RECV                                             !0      
          1        RECV                                             !1      
    3     2        IS_EQUAL                                                 !1, 0
          3      > JMPZ                                                     ~2, ->20
    4     4    >   INIT_FCALL                                               'var_dump'
          5        SEND_VAL                                                 '%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D'
          6        DO_ICALL                                                 
    5     7        INIT_FCALL                                               'var_dump'
          8        CONCAT                                           ~4      '%24p%3A+', !0
          9        SEND_VAL                                                 ~4
         10        DO_ICALL                                                 
    6    11        INIT_FCALL                                               'var_dump'
         12        CONCAT                                           ~6      '%24q%3A+', !1
         13        SEND_VAL                                                 ~6
         14        DO_ICALL                                                 
    7    15        INIT_FCALL                                               'var_dump'
         16        SEND_VAL                                                 '%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D'
         17        DO_ICALL                                                 
    8    18      > RETURN                                                   !0
         19*       JMP                                                      ->40
   10    20    >   INIT_FCALL                                               'var_dump'
         21        SEND_VAL                                                 '%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D'
         22        DO_ICALL                                                 
   11    23        INIT_FCALL                                               'var_dump'
         24        CONCAT                                           ~10     '%24p%3A+', !0
         25        SEND_VAL                                                 ~10
         26        DO_ICALL                                                 
   12    27        INIT_FCALL                                               'var_dump'
         28        CONCAT                                           ~12     '%24q%3A+', !1
         29        SEND_VAL                                                 ~12
         30        DO_ICALL                                                 
   13    31        INIT_FCALL                                               'var_dump'
         32        SEND_VAL                                                 '%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D'
         33        DO_ICALL                                                 
   14    34        INIT_FCALL_BY_NAME                                       'magic'
         35        SEND_VAR_EX                                              !1
         36        MOD                                              ~15     !0, !1
         37        SEND_VAL_EX                                              ~15
         38        DO_FCALL                                      0  $16     
         39      > RETURN                                                   $16
   16    40*     > RETURN                                                   null

End of function magic

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
153.84 ms | 1403 KiB | 16 Q