3v4l.org

run code in 500+ PHP versions simultaneously
<?php $str = 'path/to/folder/@here'; echo preg_replace('#/@[^/@]*(*SKIP)(*F)|[^/]+#', 'a:$0', $str);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/TGdXJ
function name:  (null)
number of ops:  5
compiled vars:  !0 = $str
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                       !0, 'path%2Fto%2Ffolder%2F%40here'
    4     1        FRAMELESS_ICALL_3                preg_replace        ~2      '%23%2F%40%5B%5E%2F%40%5D%2A%28%2ASKIP%29%28%2AF%29%7C%5B%5E%2F%5D%2B%23', 'a%3A%240'
          2        OP_DATA                                                      !0
          3        ECHO                                                         ~2
          4      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


preferences:
168.58 ms | 2025 KiB | 13 Q