3v4l.org

run code in 300+ PHP versions simultaneously
<?php $sample1 = "2010-01-31"; $dnow = date("t",strtotime($sample1)); $dnext = date("t",strtotime($sample1 . " +1 month")); $dday = date("d",strtotime($sample1)); $output = date("Y-m-d",strtotime("+1 month")); if ($dnext < $dnow && $dnext < $dday) { $nextMonth = date("Y-m", strtotime($sample)); $nextMonth = date("Y-m", strtotime($nextMonth . " +1 month")); $output = $nextMonth . '-' . $dnext; } echo $output; $ts = strtotime('2010-01-31 +1 month'); echo date('Y-m-d', $ts); echo "\n"; $dt = new \DateTime('2010-01-31'); $dt->add(new \DateInterval('P1M')); echo $dt->format('Y-m-d'); echo "\n"; $ts = strtotime('2010-01-05 +1 month'); echo date('Y-m-d', $ts); echo "\n"; $dt = new \DateTime('2010-01-05'); $dt->add(new \DateInterval('P1M')); echo $dt->format('Y-m-d');
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 46) Position 1 = 36, Position 2 = 38
Branch analysis from position: 36
2 jumps found. (Code = 43) Position 1 = 39, Position 2 = 59
Branch analysis from position: 39
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 59
Branch analysis from position: 38
filename:       /in/ftiVd
function name:  (null)
number of ops:  110
compiled vars:  !0 = $sample1, !1 = $dnow, !2 = $dnext, !3 = $dday, !4 = $output, !5 = $nextMonth, !6 = $sample, !7 = $ts, !8 = $dt
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, '2010-01-31'
    3     1        INIT_FCALL                                               'date'
          2        SEND_VAL                                                 't'
          3        INIT_FCALL                                               'strtotime'
          4        SEND_VAR                                                 !0
          5        DO_ICALL                                         $10     
          6        SEND_VAR                                                 $10
          7        DO_ICALL                                         $11     
          8        ASSIGN                                                   !1, $11
    4     9        INIT_FCALL                                               'date'
         10        SEND_VAL                                                 't'
         11        INIT_FCALL                                               'strtotime'
         12        CONCAT                                           ~13     !0, '+%2B1+month'
         13        SEND_VAL                                                 ~13
         14        DO_ICALL                                         $14     
         15        SEND_VAR                                                 $14
         16        DO_ICALL                                         $15     
         17        ASSIGN                                                   !2, $15
    5    18        INIT_FCALL                                               'date'
         19        SEND_VAL                                                 'd'
         20        INIT_FCALL                                               'strtotime'
         21        SEND_VAR                                                 !0
         22        DO_ICALL                                         $17     
         23        SEND_VAR                                                 $17
         24        DO_ICALL                                         $18     
         25        ASSIGN                                                   !3, $18
    6    26        INIT_FCALL                                               'date'
         27        SEND_VAL                                                 'Y-m-d'
         28        INIT_FCALL                                               'strtotime'
         29        SEND_VAL                                                 '%2B1+month'
         30        DO_ICALL                                         $20     
         31        SEND_VAR                                                 $20
         32        DO_ICALL                                         $21     
         33        ASSIGN                                                   !4, $21
    7    34        IS_SMALLER                                       ~23     !2, !1
         35      > JMPZ_EX                                          ~23     ~23, ->38
         36    >   IS_SMALLER                                       ~24     !2, !3
         37        BOOL                                             ~23     ~24
         38    > > JMPZ                                                     ~23, ->59
    9    39    >   INIT_FCALL                                               'date'
         40        SEND_VAL                                                 'Y-m'
         41        INIT_FCALL                                               'strtotime'
         42        SEND_VAR                                                 !6
         43        DO_ICALL                                         $25     
         44        SEND_VAR                                                 $25
         45        DO_ICALL                                         $26     
         46        ASSIGN                                                   !5, $26
   10    47        INIT_FCALL                                               'date'
         48        SEND_VAL                                                 'Y-m'
         49        INIT_FCALL                                               'strtotime'
         50        CONCAT                                           ~28     !5, '+%2B1+month'
         51        SEND_VAL                                                 ~28
         52        DO_ICALL                                         $29     
         53        SEND_VAR                                                 $29
         54        DO_ICALL                                         $30     
         55        ASSIGN                                                   !5, $30
   11    56        CONCAT                                           ~32     !5, '-'
         57        CONCAT                                           ~33     ~32, !2
         58        ASSIGN                                                   !4, ~33
   13    59    >   ECHO                                                     !4
   16    60        INIT_FCALL                                               'strtotime'
         61        SEND_VAL                                                 '2010-01-31+%2B1+month'
         62        DO_ICALL                                         $35     
         63        ASSIGN                                                   !7, $35
   17    64        INIT_FCALL                                               'date'
         65        SEND_VAL                                                 'Y-m-d'
         66        SEND_VAR                                                 !7
         67        DO_ICALL                                         $37     
         68        ECHO                                                     $37
   18    69        ECHO                                                     '%0A'
   19    70        NEW                                              $38     'DateTime'
         71        SEND_VAL_EX                                              '2010-01-31'
         72        DO_FCALL                                      0          
         73        ASSIGN                                                   !8, $38
   20    74        INIT_METHOD_CALL                                         !8, 'add'
         75        NEW                                              $41     'DateInterval'
         76        SEND_VAL_EX                                              'P1M'
         77        DO_FCALL                                      0          
         78        SEND_VAR_NO_REF_EX                                       $41
         79        DO_FCALL                                      0          
   21    80        INIT_METHOD_CALL                                         !8, 'format'
         81        SEND_VAL_EX                                              'Y-m-d'
         82        DO_FCALL                                      0  $44     
         83        ECHO                                                     $44
   22    84        ECHO                                                     '%0A'
   23    85        INIT_FCALL                                               'strtotime'
         86        SEND_VAL                                                 '2010-01-05+%2B1+month'
         87        DO_ICALL                                         $45     
         88        ASSIGN                                                   !7, $45
   24    89        INIT_FCALL                                               'date'
         90        SEND_VAL                                                 'Y-m-d'
         91        SEND_VAR                                                 !7
         92        DO_ICALL                                         $47     
         93        ECHO                                                     $47
   25    94        ECHO                                                     '%0A'
   26    95        NEW                                              $48     'DateTime'
         96        SEND_VAL_EX                                              '2010-01-05'
         97        DO_FCALL                                      0          
         98        ASSIGN                                                   !8, $48
   27    99        INIT_METHOD_CALL                                         !8, 'add'
        100        NEW                                              $51     'DateInterval'
        101        SEND_VAL_EX                                              'P1M'
        102        DO_FCALL                                      0          
        103        SEND_VAR_NO_REF_EX                                       $51
        104        DO_FCALL                                      0          
   28   105        INIT_METHOD_CALL                                         !8, 'format'
        106        SEND_VAL_EX                                              'Y-m-d'
        107        DO_FCALL                                      0  $54     
        108        ECHO                                                     $54
        109      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
151.59 ms | 1404 KiB | 17 Q