3v4l.org

run code in 300+ PHP versions simultaneously
<?php //$ana = array(); if(isset($ana['test'])) echo "si"; else echo "No";
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 2, Position 2 = 4
Branch analysis from position: 2
1 jumps found. (Code = 42) Position 1 = 5
Branch analysis from position: 5
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 4
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/WTQTc
function name:  (null)
number of ops:  6
compiled vars:  !0 = $ana
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ISSET_ISEMPTY_DIM_OBJ                         0          !0, 'test'
          1      > JMPZ                                                     ~1, ->4
          2    >   ECHO                                                     'si'
          3      > JMP                                                      ->5
    4     4    >   ECHO                                                     'No'
          5    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
181.18 ms | 1397 KiB | 13 Q