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<?php $postcode = '64 1s40 Tiu kka'; $r = preg_replace('/\s|[a-zA-z]/', '', $postcode); var_dump($r);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/4nJTH
function name:  (null)
number of ops:  11
compiled vars:  !0 = $postcode, !1 = $r
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, '64+1s40+Tiu+kka'
    3     1        INIT_FCALL                                               'preg_replace'
          2        SEND_VAL                                                 '%2F%5Cs%7C%5Ba-zA-z%5D%2F'
          3        SEND_VAL                                                 ''
          4        SEND_VAR                                                 !0
          5        DO_ICALL                                         $3      
          6        ASSIGN                                                   !1, $3
    4     7        INIT_FCALL                                               'var_dump'
          8        SEND_VAR                                                 !1
          9        DO_ICALL                                                 
         10      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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