3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo pcntl_exec('/bin/php-5.3.10', array('-n', '--php-ini','-r', "echo exec('id');"));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/bPoXl
function name:  (null)
number of ops:  6
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL_BY_NAME                                       'pcntl_exec'
          1        SEND_VAL_EX                                              '%2Fbin%2Fphp-5.3.10'
          2        SEND_VAL_EX                                              <array>
          3        DO_FCALL                                      0  $0      
          4        ECHO                                                     $0
          5      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
185.23 ms | 1383 KiB | 13 Q