3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array(); echo preg_match('/([^\d]+\.[^\d]+\.[^\d]+)/', '5.5.5-pl-udmedia', $array); var_dump($array);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/830PD
function name:  (null)
number of ops:  11
compiled vars:  !0 = $array
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%28%5B%5E%5Cd%5D%2B%5C.%5B%5E%5Cd%5D%2B%5C.%5B%5E%5Cd%5D%2B%29%2F'
          3        SEND_VAL                                                 '5.5.5-pl-udmedia'
          4        SEND_REF                                                 !0
          5        DO_ICALL                                         $2      
          6        ECHO                                                     $2
    6     7        INIT_FCALL                                               'var_dump'
          8        SEND_VAR                                                 !0
          9        DO_ICALL                                                 
         10      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
173.54 ms | 1394 KiB | 17 Q