3v4l.org

run code in 300+ PHP versions simultaneously
<?php function xor_encrypt($in) { $key = '<censored>'; $text = $in; $outText = ''; // Iterate through each character for($i=0;$i<strlen($text);$i++) { $outText .= $text[$i] ^ $key[$i % strlen($key)]; } return $outText; }
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/FsPf2
function name:  (null)
number of ops:  1
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   14     0  E > > RETURN                                                   1

Function xor_encrypt:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 13
Branch analysis from position: 13
2 jumps found. (Code = 44) Position 1 = 16, Position 2 = 6
Branch analysis from position: 16
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 6
2 jumps found. (Code = 44) Position 1 = 16, Position 2 = 6
Branch analysis from position: 16
Branch analysis from position: 6
filename:       /in/FsPf2
function name:  xor_encrypt
number of ops:  18
compiled vars:  !0 = $in, !1 = $key, !2 = $text, !3 = $outText, !4 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
    4     1        ASSIGN                                                   !1, '%3Ccensored%3E'
    5     2        ASSIGN                                                   !2, !0
    6     3        ASSIGN                                                   !3, ''
    9     4        ASSIGN                                                   !4, 0
          5      > JMP                                                      ->13
   10     6    >   FETCH_DIM_R                                      ~9      !2, !4
          7        STRLEN                                           ~10     !1
          8        MOD                                              ~11     !4, ~10
          9        FETCH_DIM_R                                      ~12     !1, ~11
         10        BW_XOR                                           ~13     ~9, ~12
         11        ASSIGN_OP                                     8          !3, ~13
    9    12        PRE_INC                                                  !4
         13    >   STRLEN                                           ~16     !2
         14        IS_SMALLER                                               !4, ~16
         15      > JMPNZ                                                    ~17, ->6
   13    16    > > RETURN                                                   !3
   14    17*     > RETURN                                                   null

End of function xor_encrypt

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
167.27 ms | 1394 KiB | 13 Q