3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = "Dalvik/1.6.0 (Linux; U; Android 4.2.2; QMV7A Build/JDQ39)"; if (strpos($foo,'Dalvik') === false) { echo $foo; } else { echo exit; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 7, Position 2 = 9
Branch analysis from position: 7
1 jumps found. (Code = 42) Position 1 = 11
Branch analysis from position: 11
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 9
1 jumps found. (Code = 79) Position 1 = -2
filename:       /in/PRR2l
function name:  (null)
number of ops:  12
compiled vars:  !0 = $foo
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'Dalvik%2F1.6.0+%28Linux%3B+U%3B+Android+4.2.2%3B+QMV7A+Build%2FJDQ39%29'
    4     1        INIT_FCALL                                               'strpos'
          2        SEND_VAR                                                 !0
          3        SEND_VAL                                                 'Dalvik'
          4        DO_ICALL                                         $2      
          5        TYPE_CHECK                                    4          $2
          6      > JMPZ                                                     ~3, ->9
    5     7    >   ECHO                                                     !0
          8      > JMP                                                      ->11
    8     9    > > EXIT                                                     
         10*       ECHO                                                     <true>
    9    11    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
163.85 ms | 1398 KiB | 15 Q