3v4l.org

run code in 500+ PHP versions simultaneously
<?php date_default_timezone_set('UTC'); $dt = new DateTime("2015-03-05 01:34:00 +0900"); $dt->modify("front of 1 Asia/Tokyo"); var_dump($dt->format("'Y-m-d H:i:s e'")); $dt = new DateTime("2015-03-05 01:34:00 +0900"); $dt->modify("back of 1 Asia/Tokyo"); var_dump($dt->format("'Y-m-d H:i:s e'"));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/s3HtM
function name:  (null)
number of ops:  30
compiled vars:  !0 = $dt
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                                   'date_default_timezone_set'
          1        SEND_VAL                                                     'UTC'
          2        DO_ICALL                                                     
    4     3        NEW                                                  $2      'DateTime'
          4        SEND_VAL_EX                                                  '2015-03-05+01%3A34%3A00+%2B0900'
          5        DO_FCALL                                          0          
          6        ASSIGN                                                       !0, $2
    5     7        INIT_METHOD_CALL                                             !0, 'modify'
          8        SEND_VAL_EX                                                  'front+of+1+Asia%2FTokyo'
          9        DO_FCALL                                          0          
    6    10        INIT_FCALL                                                   'var_dump'
         11        INIT_METHOD_CALL                                             !0, 'format'
         12        SEND_VAL_EX                                                  '%27Y-m-d+H%3Ai%3As+e%27'
         13        DO_FCALL                                          0  $6      
         14        SEND_VAR                                                     $6
         15        DO_ICALL                                                     
    9    16        NEW                                                  $8      'DateTime'
         17        SEND_VAL_EX                                                  '2015-03-05+01%3A34%3A00+%2B0900'
         18        DO_FCALL                                          0          
         19        ASSIGN                                                       !0, $8
   10    20        INIT_METHOD_CALL                                             !0, 'modify'
         21        SEND_VAL_EX                                                  'back+of+1+Asia%2FTokyo'
         22        DO_FCALL                                          0          
   11    23        INIT_FCALL                                                   'var_dump'
         24        INIT_METHOD_CALL                                             !0, 'format'
         25        SEND_VAL_EX                                                  '%27Y-m-d+H%3Ai%3As+e%27'
         26        DO_FCALL                                          0  $12     
         27        SEND_VAR                                                     $12
         28        DO_ICALL                                                     
         29      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


preferences:
163.77 ms | 3344 KiB | 15 Q