3v4l.org

run code in 300+ PHP versions simultaneously
<?php ini_set('date.timezone', 'Europe/Berlin'); date_default_timezone_set('Europe/Berlin'); $date1 = new DateTime("2015-03-29 02:00:00"); $date2 = new DateTime("2015-03-29 03:00:00"); $interval = date_diff($date1, $date2); echo $interval->format('%H Hour(s) %I Minute(s) %S Second(s)' ); # daylight saving time in Europe. Result is correct: 0 hours. echo "\n"; $date1 = new DateTime("2015-03-29 01:00:00"); $date2 = new DateTime("2015-03-29 03:00:00"); $interval = date_diff($date1, $date2); echo $interval->format('%H Hour(s) %I Minute(s) %S Second(s)' ); # The result is incorrect: should be 1 hour only. ?>
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/e00lD
function name:  (null)
number of ops:  43
compiled vars:  !0 = $date1, !1 = $date2, !2 = $interval
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'ini_set'
          1        SEND_VAL                                                 'date.timezone'
          2        SEND_VAL                                                 'Europe%2FBerlin'
          3        DO_ICALL                                                 
    4     4        INIT_FCALL                                               'date_default_timezone_set'
          5        SEND_VAL                                                 'Europe%2FBerlin'
          6        DO_ICALL                                                 
    6     7        NEW                                              $5      'DateTime'
          8        SEND_VAL_EX                                              '2015-03-29+02%3A00%3A00'
          9        DO_FCALL                                      0          
         10        ASSIGN                                                   !0, $5
    7    11        NEW                                              $8      'DateTime'
         12        SEND_VAL_EX                                              '2015-03-29+03%3A00%3A00'
         13        DO_FCALL                                      0          
         14        ASSIGN                                                   !1, $8
    8    15        INIT_FCALL                                               'date_diff'
         16        SEND_VAR                                                 !0
         17        SEND_VAR                                                 !1
         18        DO_ICALL                                         $11     
         19        ASSIGN                                                   !2, $11
    9    20        INIT_METHOD_CALL                                         !2, 'format'
         21        SEND_VAL_EX                                              '%25H+Hour%28s%29+%25I+Minute%28s%29+%25S+Second%28s%29'
         22        DO_FCALL                                      0  $13     
         23        ECHO                                                     $13
   12    24        ECHO                                                     '%0A'
   14    25        NEW                                              $14     'DateTime'
         26        SEND_VAL_EX                                              '2015-03-29+01%3A00%3A00'
         27        DO_FCALL                                      0          
         28        ASSIGN                                                   !0, $14
   15    29        NEW                                              $17     'DateTime'
         30        SEND_VAL_EX                                              '2015-03-29+03%3A00%3A00'
         31        DO_FCALL                                      0          
         32        ASSIGN                                                   !1, $17
   16    33        INIT_FCALL                                               'date_diff'
         34        SEND_VAR                                                 !0
         35        SEND_VAR                                                 !1
         36        DO_ICALL                                         $20     
         37        ASSIGN                                                   !2, $20
   17    38        INIT_METHOD_CALL                                         !2, 'format'
         39        SEND_VAL_EX                                              '%25H+Hour%28s%29+%25I+Minute%28s%29+%25S+Second%28s%29'
         40        DO_FCALL                                      0  $22     
         41        ECHO                                                     $22
   20    42      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
188.18 ms | 1400 KiB | 19 Q