3v4l.org

run code in 300+ PHP versions simultaneously
<?php $in = 'Kb 06/11/2001'; $result = preg_replace("/[^0-9]+/", "", $in); echo $result;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/dkJYP
function name:  (null)
number of ops:  9
compiled vars:  !0 = $in, !1 = $result
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 'Kb+++06%2F11%2F2001'
    4     1        INIT_FCALL                                               'preg_replace'
          2        SEND_VAL                                                 '%2F%5B%5E0-9%5D%2B%2F'
          3        SEND_VAL                                                 ''
          4        SEND_VAR                                                 !0
          5        DO_ICALL                                         $3      
          6        ASSIGN                                                   !1, $3
    6     7        ECHO                                                     !1
          8      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
152.29 ms | 1385 KiB | 15 Q