3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = "/usr/bin/zip"; echo escapeshellarg($a); exec(escapeshellarg($a) . ' --version');
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Ia3Jg
function name:  (null)
number of ops:  13
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, '%2Fusr%2Fbin%2Fzip'
    3     1        INIT_FCALL                                               'escapeshellarg'
          2        SEND_VAR                                                 !0
          3        DO_ICALL                                         $2      
          4        ECHO                                                     $2
    4     5        INIT_FCALL                                               'exec'
          6        INIT_FCALL                                               'escapeshellarg'
          7        SEND_VAR                                                 !0
          8        DO_ICALL                                         $3      
          9        CONCAT                                           ~4      $3, '+--version'
         10        SEND_VAL                                                 ~4
         11        DO_ICALL                                                 
         12      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
153.02 ms | 1394 KiB | 17 Q