3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var=true; $var2=false; $var3=true; if ($var===true and $var2===false or $var3===false) { echo "true1"; } if (($var===true and $var2===false) or $var3===false) { echo "true2"; } if ($var===true and ($var2===false or $var3===false)) { echo "true3"; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 46) Position 1 = 5, Position 2 = 7
Branch analysis from position: 5
2 jumps found. (Code = 47) Position 1 = 8, Position 2 = 10
Branch analysis from position: 8
2 jumps found. (Code = 43) Position 1 = 11, Position 2 = 12
Branch analysis from position: 11
2 jumps found. (Code = 46) Position 1 = 14, Position 2 = 16
Branch analysis from position: 14
2 jumps found. (Code = 47) Position 1 = 17, Position 2 = 19
Branch analysis from position: 17
2 jumps found. (Code = 43) Position 1 = 20, Position 2 = 21
Branch analysis from position: 20
2 jumps found. (Code = 46) Position 1 = 23, Position 2 = 28
Branch analysis from position: 23
2 jumps found. (Code = 47) Position 1 = 25, Position 2 = 27
Branch analysis from position: 25
2 jumps found. (Code = 43) Position 1 = 29, Position 2 = 30
Branch analysis from position: 29
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 30
Branch analysis from position: 27
Branch analysis from position: 28
Branch analysis from position: 21
Branch analysis from position: 19
Branch analysis from position: 16
Branch analysis from position: 12
Branch analysis from position: 10
Branch analysis from position: 7
filename:       /in/qnrKk
function name:  (null)
number of ops:  31
compiled vars:  !0 = $var, !1 = $var2, !2 = $var3
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <true>
    4     1        ASSIGN                                                   !1, <false>
    5     2        ASSIGN                                                   !2, <true>
    7     3        TYPE_CHECK                                    8  ~6      !0
          4      > JMPZ_EX                                          ~6      ~6, ->7
          5    >   TYPE_CHECK                                    4  ~7      !1
          6        BOOL                                             ~6      ~7
          7    > > JMPNZ_EX                                         ~6      ~6, ->10
          8    >   TYPE_CHECK                                    4  ~8      !2
          9        BOOL                                             ~6      ~8
         10    > > JMPZ                                                     ~6, ->12
    9    11    >   ECHO                                                     'true1'
   13    12    >   TYPE_CHECK                                    8  ~9      !0
         13      > JMPZ_EX                                          ~9      ~9, ->16
         14    >   TYPE_CHECK                                    4  ~10     !1
         15        BOOL                                             ~9      ~10
         16    > > JMPNZ_EX                                         ~9      ~9, ->19
         17    >   TYPE_CHECK                                    4  ~11     !2
         18        BOOL                                             ~9      ~11
         19    > > JMPZ                                                     ~9, ->21
   15    20    >   ECHO                                                     'true2'
   18    21    >   TYPE_CHECK                                    8  ~12     !0
         22      > JMPZ_EX                                          ~12     ~12, ->28
         23    >   TYPE_CHECK                                    4  ~13     !1
         24      > JMPNZ_EX                                         ~13     ~13, ->27
         25    >   TYPE_CHECK                                    4  ~14     !2
         26        BOOL                                             ~13     ~14
         27    >   BOOL                                             ~12     ~13
         28    > > JMPZ                                                     ~12, ->30
   20    29    >   ECHO                                                     'true3'
   21    30    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
162.62 ms | 1403 KiB | 13 Q