3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var = 1; echo $var; if ($var) { echo 'true'; } else { echo 'false'; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 3, Position 2 = 5
Branch analysis from position: 3
1 jumps found. (Code = 42) Position 1 = 6
Branch analysis from position: 6
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 5
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/ctHuo
function name:  (null)
number of ops:  7
compiled vars:  !0 = $var
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 1
    3     1        ECHO                                                     !0
    4     2      > JMPZ                                                     !0, ->5
    6     3    >   ECHO                                                     'true'
          4      > JMP                                                      ->6
   10     5    >   ECHO                                                     'false'
   11     6    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
168.12 ms | 937 KiB | 14 Q