3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = 'M2ZWUHlYMmVFY01rMg=='; echo $str, "\n"; $str2 = base64_decode($str); echo $str2, "\n"; $str3 = strrev($str2); echo $str3, "\n"; $str4 = base64_decode($str3); echo bin2hex($str4), "\n"; $str4 = base64_decode($str3 . '='); echo $str4, "\n"; $str4 = base64_decode($str3 . '=='); echo $str4, "\n";
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/GLNgF
function name:  (null)
number of ops:  39
compiled vars:  !0 = $str, !1 = $str2, !2 = $str3, !3 = $str4
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'M2ZWUHlYMmVFY01rMg%3D%3D'
    5     1        ECHO                                                     !0
          2        ECHO                                                     '%0A'
    6     3        INIT_FCALL                                               'base64_decode'
          4        SEND_VAR                                                 !0
          5        DO_ICALL                                         $5      
          6        ASSIGN                                                   !1, $5
    7     7        ECHO                                                     !1
          8        ECHO                                                     '%0A'
    9     9        INIT_FCALL                                               'strrev'
         10        SEND_VAR                                                 !1
         11        DO_ICALL                                         $7      
         12        ASSIGN                                                   !2, $7
   11    13        ECHO                                                     !2
         14        ECHO                                                     '%0A'
   13    15        INIT_FCALL                                               'base64_decode'
         16        SEND_VAR                                                 !2
         17        DO_ICALL                                         $9      
         18        ASSIGN                                                   !3, $9
   15    19        INIT_FCALL                                               'bin2hex'
         20        SEND_VAR                                                 !3
         21        DO_ICALL                                         $11     
         22        ECHO                                                     $11
         23        ECHO                                                     '%0A'
   17    24        INIT_FCALL                                               'base64_decode'
         25        CONCAT                                           ~12     !2, '%3D'
         26        SEND_VAL                                                 ~12
         27        DO_ICALL                                         $13     
         28        ASSIGN                                                   !3, $13
   19    29        ECHO                                                     !3
         30        ECHO                                                     '%0A'
   21    31        INIT_FCALL                                               'base64_decode'
         32        CONCAT                                           ~15     !2, '%3D%3D'
         33        SEND_VAL                                                 ~15
         34        DO_ICALL                                         $16     
         35        ASSIGN                                                   !3, $16
   23    36        ECHO                                                     !3
         37        ECHO                                                     '%0A'
         38      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
157.35 ms | 1396 KiB | 19 Q