3v4l.org

run code in 300+ PHP versions simultaneously
<?php $startDate = "2019-02-01"; $endDate = "2019-03-04"; date_default_timezone_set('UTC'); $zones = [ 'UTC', 'Etc/GMT+12', // west 'Etc/GMT-12', // east 'Cuba', // west 'Japan', // east 'Atlantic/Azores', // west 'Europe/Berlin', // east ]; foreach ($zones as $zoneName) { $zone = timezone_open($zoneName); $diff = date_create($startDate, $zone)->diff(date_create($endDate, $zone)); $test = date_create($startDate, $zone)->add($diff); printf('test: %s expected: %s diff->days: %s zone: %s %s', $test->format('Y-m-d\TH:i:s'), $endDate, $diff->days, $zone->getName(), "\r\n"); }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 7, Position 2 = 47
Branch analysis from position: 7
2 jumps found. (Code = 78) Position 1 = 8, Position 2 = 47
Branch analysis from position: 8
1 jumps found. (Code = 42) Position 1 = 7
Branch analysis from position: 7
Branch analysis from position: 47
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 47
filename:       /in/LVQDJ
function name:  (null)
number of ops:  49
compiled vars:  !0 = $startDate, !1 = $endDate, !2 = $zones, !3 = $zoneName, !4 = $zone, !5 = $diff, !6 = $test
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, '2019-02-01'
    3     1        ASSIGN                                                   !1, '2019-03-04'
    5     2        INIT_FCALL                                               'date_default_timezone_set'
          3        SEND_VAL                                                 'UTC'
          4        DO_ICALL                                                 
    7     5        ASSIGN                                                   !2, <array>
   17     6      > FE_RESET_R                                       $11     !2, ->47
          7    > > FE_FETCH_R                                               $11, !3, ->47
   18     8    >   INIT_FCALL                                               'timezone_open'
          9        SEND_VAR                                                 !3
         10        DO_ICALL                                         $12     
         11        ASSIGN                                                   !4, $12
   19    12        INIT_FCALL                                               'date_create'
         13        SEND_VAR                                                 !0
         14        SEND_VAR                                                 !4
         15        DO_ICALL                                         $14     
         16        INIT_METHOD_CALL                                         $14, 'diff'
         17        INIT_FCALL                                               'date_create'
         18        SEND_VAR                                                 !1
         19        SEND_VAR                                                 !4
         20        DO_ICALL                                         $15     
         21        SEND_VAR_NO_REF_EX                                       $15
         22        DO_FCALL                                      0  $16     
         23        ASSIGN                                                   !5, $16
   20    24        INIT_FCALL                                               'date_create'
         25        SEND_VAR                                                 !0
         26        SEND_VAR                                                 !4
         27        DO_ICALL                                         $18     
         28        INIT_METHOD_CALL                                         $18, 'add'
         29        SEND_VAR_EX                                              !5
         30        DO_FCALL                                      0  $19     
         31        ASSIGN                                                   !6, $19
   21    32        INIT_FCALL                                               'printf'
         33        SEND_VAL                                                 'test%3A+%25s+expected%3A+%25s+diff-%3Edays%3A+%25s+zone%3A+%25s+%25s'
         34        INIT_METHOD_CALL                                         !6, 'format'
         35        SEND_VAL_EX                                              'Y-m-d%5CTH%3Ai%3As'
         36        DO_FCALL                                      0  $21     
         37        SEND_VAR                                                 $21
         38        SEND_VAR                                                 !1
         39        FETCH_OBJ_R                                      ~22     !5, 'days'
         40        SEND_VAL                                                 ~22
         41        INIT_METHOD_CALL                                         !4, 'getName'
         42        DO_FCALL                                      0  $23     
         43        SEND_VAR                                                 $23
         44        SEND_VAL                                                 '%0D%0A'
         45        DO_ICALL                                                 
   17    46      > JMP                                                      ->7
         47    >   FE_FREE                                                  $11
   22    48      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
176.85 ms | 1400 KiB | 21 Q