3v4l.org

run code in 300+ PHP versions simultaneously
<?php $matches = array(); preg_match('/$([0-9]+) *- *\.html^/', "2-blabla.html", $matches); vard_dump($matches);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/WGJM3
function name:  (null)
number of ops:  10
compiled vars:  !0 = $matches
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    4     1        INIT_FCALL                                               'preg_match'
          2        SEND_VAL                                                 '%2F%24%28%5B0-9%5D%2B%29+%2A-+%2A%5C.html%5E%2F'
          3        SEND_VAL                                                 '2-blabla.html'
          4        SEND_REF                                                 !0
          5        DO_ICALL                                                 
    5     6        INIT_FCALL_BY_NAME                                       'vard_dump'
          7        SEND_VAR_EX                                              !0
          8        DO_FCALL                                      0          
          9      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
151.02 ms | 1394 KiB | 15 Q