3v4l.org

run code in 300+ PHP versions simultaneously
<?php $date = new DateTime('2001-12-31'); $date->add(new DateInterval('P1M')); echo $date->format('d.m.Y') . '<br>'; $date->add(new DateInterval('P1M')); echo $date->format('d.m.Y');
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/BuWhu
function name:  (null)
number of ops:  26
compiled vars:  !0 = $date
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $1      'DateTime'
          1        SEND_VAL_EX                                              '2001-12-31'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !0, $1
    5     4        INIT_METHOD_CALL                                         !0, 'add'
          5        NEW                                              $4      'DateInterval'
          6        SEND_VAL_EX                                              'P1M'
          7        DO_FCALL                                      0          
          8        SEND_VAR_NO_REF_EX                                       $4
          9        DO_FCALL                                      0          
    7    10        INIT_METHOD_CALL                                         !0, 'format'
         11        SEND_VAL_EX                                              'd.m.Y'
         12        DO_FCALL                                      0  $7      
         13        CONCAT                                           ~8      $7, '%3Cbr%3E'
         14        ECHO                                                     ~8
    9    15        INIT_METHOD_CALL                                         !0, 'add'
         16        NEW                                              $9      'DateInterval'
         17        SEND_VAL_EX                                              'P1M'
         18        DO_FCALL                                      0          
         19        SEND_VAR_NO_REF_EX                                       $9
         20        DO_FCALL                                      0          
   11    21        INIT_METHOD_CALL                                         !0, 'format'
         22        SEND_VAL_EX                                              'd.m.Y'
         23        DO_FCALL                                      0  $12     
         24        ECHO                                                     $12
         25      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
164.71 ms | 1394 KiB | 13 Q