3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo (($a = ((($a = 'a') && $a == 'a') ? 'jo' : 'ne')) && $a = 'jo') ? 'ano' : 'spatne'; var_dump($a instanceof stdClass);
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 46) Position 1 = 2, Position 2 = 4
Branch analysis from position: 2
2 jumps found. (Code = 43) Position 1 = 5, Position 2 = 7
Branch analysis from position: 5
1 jumps found. (Code = 42) Position 1 = 8
Branch analysis from position: 8
2 jumps found. (Code = 46) Position 1 = 10, Position 2 = 12
Branch analysis from position: 10
2 jumps found. (Code = 43) Position 1 = 13, Position 2 = 15
Branch analysis from position: 13
1 jumps found. (Code = 42) Position 1 = 16
Branch analysis from position: 16
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 15
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 12
Branch analysis from position: 7
2 jumps found. (Code = 46) Position 1 = 10, Position 2 = 12
Branch analysis from position: 10
Branch analysis from position: 12
Branch analysis from position: 4
filename:       /in/qJFaF
function name:  (null)
number of ops:  22
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                           ~1      !0, 'a'
          1      > JMPZ_EX                                          ~1      ~1, ->4
          2    >   IS_EQUAL                                         ~2      !0, 'a'
          3        BOOL                                             ~1      ~2
          4    > > JMPZ                                                     ~1, ->7
          5    >   QM_ASSIGN                                        ~3      'jo'
          6      > JMP                                                      ->8
          7    >   QM_ASSIGN                                        ~3      'ne'
          8    >   ASSIGN                                           ~4      !0, ~3
          9      > JMPZ_EX                                          ~4      ~4, ->12
         10    >   ASSIGN                                           ~5      !0, 'jo'
         11        BOOL                                             ~4      ~5
         12    > > JMPZ                                                     ~4, ->15
         13    >   QM_ASSIGN                                        ~6      'ano'
         14      > JMP                                                      ->16
         15    >   QM_ASSIGN                                        ~6      'spatne'
         16    >   ECHO                                                     ~6
    5    17        INIT_FCALL                                               'var_dump'
         18        INSTANCEOF                                       ~7      !0, 'stdClass'
         19        SEND_VAL                                                 ~7
         20        DO_ICALL                                                 
         21      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
161.54 ms | 1395 KiB | 15 Q