3v4l.org

run code in 300+ PHP versions simultaneously
<?php $address = "Flat 2 House Name 21 Another Road"; echo preg_match('/(Flat\s\d+) (\w+)(\s\d+)/i', $address) . PHP_EOL; $address = preg_replace('/(Flat\s\d+) (\w+)(\s\d+)/i', '\\1, \\2, \\3', $address); echo $address;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Z6s6W
function name:  (null)
number of ops:  15
compiled vars:  !0 = $address
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'Flat+2+House+Name+21+Another+Road'
    5     1        INIT_FCALL                                               'preg_match'
          2        SEND_VAL                                                 '%2F%28Flat%5Cs%5Cd%2B%29+%28%5Cw%2B%29%28%5Cs%5Cd%2B%29%2Fi'
          3        SEND_VAR                                                 !0
          4        DO_ICALL                                         $2      
          5        CONCAT                                           ~3      $2, '%0A'
          6        ECHO                                                     ~3
    7     7        INIT_FCALL                                               'preg_replace'
          8        SEND_VAL                                                 '%2F%28Flat%5Cs%5Cd%2B%29+%28%5Cw%2B%29%28%5Cs%5Cd%2B%29%2Fi'
          9        SEND_VAL                                                 '%5C1%2C+%5C2%2C+%5C3'
         10        SEND_VAR                                                 !0
         11        DO_ICALL                                         $4      
         12        ASSIGN                                                   !0, $4
    9    13        ECHO                                                     !0
         14      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
160.93 ms | 1394 KiB | 17 Q