3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo 'test'; while(true) { echo 'test'; if($i == -1) { break; } }
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 6
Branch analysis from position: 6
2 jumps found. (Code = 44) Position 1 = 7, Position 2 = 2
Branch analysis from position: 7
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 2
2 jumps found. (Code = 43) Position 1 = 5, Position 2 = 6
Branch analysis from position: 5
1 jumps found. (Code = 42) Position 1 = 7
Branch analysis from position: 7
Branch analysis from position: 6
filename:       /in/UE7O5
function name:  (null)
number of ops:  8
compiled vars:  !0 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ECHO                                                     'test'
    4     1      > JMP                                                      ->6
    5     2    >   ECHO                                                     'test'
    7     3        IS_EQUAL                                                 !0, -1
          4      > JMPZ                                                     ~1, ->6
    8     5    > > JMP                                                      ->7
    4     6    > > JMPNZ                                                    <true>, ->2
   10     7    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
148.4 ms | 1393 KiB | 13 Q