3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = '01-2018'; $dateTime = new DateTime(preg_replace('~^(\d\d)-(\d\d\d\d)$~','$2W$1',$str)); var_dump($dateTime);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/mo6dQ
function name:  (null)
number of ops:  14
compiled vars:  !0 = $str, !1 = $dateTime
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '01-2018'
    5     1        NEW                                              $3      'DateTime'
          2        INIT_FCALL                                               'preg_replace'
          3        SEND_VAL                                                 '%7E%5E%28%5Cd%5Cd%29-%28%5Cd%5Cd%5Cd%5Cd%29%24%7E'
          4        SEND_VAL                                                 '%242W%241'
          5        SEND_VAR                                                 !0
          6        DO_ICALL                                         $4      
          7        SEND_VAR_NO_REF_EX                                       $4
          8        DO_FCALL                                      0          
          9        ASSIGN                                                   !1, $3
    7    10        INIT_FCALL                                               'var_dump'
         11        SEND_VAR                                                 !1
         12        DO_ICALL                                                 
         13      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
142.85 ms | 1005 KiB | 15 Q