3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = "sinoitator"; $b = "easy"; $c = "syuguoyrofrehpic"; $d = strrev($a); $e = strrev($c); $flag = $d+$b+$e; echo $flag; ?>
Finding entry points
Branch analysis from position: 0
Jump found. Position 1 = -2
filename:       /in/Fen7M
function name:  (null)
number of ops:  16
compiled vars:  !0 = $a, !1 = $b, !2 = $c, !3 = $d, !4 = $e, !5 = $flag
line     #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   3     0  E >   ASSIGN                                                   !0, 'sinoitator'
   4     1        ASSIGN                                                   !1, 'easy'
   5     2        ASSIGN                                                   !2, 'syuguoyrofrehpic'
   6     3        INIT_FCALL                                               'strrev'
         4        SEND_VAR                                                 !0
         5        DO_ICALL                                         $9      
         6        ASSIGN                                                   !3, $9
   7     7        INIT_FCALL                                               'strrev'
         8        SEND_VAR                                                 !2
         9        DO_ICALL                                         $11     
        10        ASSIGN                                                   !4, $11
   8    11        ADD                                              ~13     !3, !1
        12        ADD                                              ~14     ~13, !4
        13        ASSIGN                                                   !5, ~14
   9    14        ECHO                                                     !5
        15      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 7.1.0