3v4l.org

run code in 300+ PHP versions simultaneously
<?php $tz = new \DateTimeZone('Europe/Moscow'); $dt = new \DateTimeImmutable('now'); $dt = $dt->setTimezone($tz); $timestamp = (int) $dt->format('U'); $timestamp += 1000; $dt2 = \DateTimeImmutable::createFromFormat('U', $timestamp, $tz); assert($dt->getTimezone() === $dt2->getTimezone());
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/WJP0G
function name:  (null)
number of ops:  35
compiled vars:  !0 = $tz, !1 = $dt, !2 = $timestamp, !3 = $dt2
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $4      'DateTimeZone'
          1        SEND_VAL_EX                                              'Europe%2FMoscow'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !0, $4
    4     4        NEW                                              $7      'DateTimeImmutable'
          5        SEND_VAL_EX                                              'now'
          6        DO_FCALL                                      0          
          7        ASSIGN                                                   !1, $7
    5     8        INIT_METHOD_CALL                                         !1, 'setTimezone'
          9        SEND_VAR_EX                                              !0
         10        DO_FCALL                                      0  $10     
         11        ASSIGN                                                   !1, $10
    7    12        INIT_METHOD_CALL                                         !1, 'format'
         13        SEND_VAL_EX                                              'U'
         14        DO_FCALL                                      0  $12     
         15        CAST                                          4  ~13     $12
         16        ASSIGN                                                   !2, ~13
    8    17        ASSIGN_OP                                     1          !2, 1000
    9    18        INIT_STATIC_METHOD_CALL                                  'DateTimeImmutable', 'createFromFormat'
         19        SEND_VAL                                                 'U'
         20        SEND_VAR                                                 !2
         21        SEND_VAR                                                 !0
         22        DO_FCALL                                      0  $16     
         23        ASSIGN                                                   !3, $16
   10    24        ASSERT_CHECK                                             
         25        INIT_FCALL                                               'assert'
         26        INIT_METHOD_CALL                                         !1, 'getTimezone'
         27        DO_FCALL                                      0  $18     
         28        INIT_METHOD_CALL                                         !3, 'getTimezone'
         29        DO_FCALL                                      0  $19     
         30        IS_IDENTICAL                                     ~20     $18, $19
         31        SEND_VAL                                                 ~20
         32        SEND_VAL                                                 'assert%28%24dt-%3EgetTimezone%28%29+%3D%3D%3D+%24dt2-%3EgetTimezone%28%29%29'
         33        DO_ICALL                                                 
         34      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
157.49 ms | 1401 KiB | 15 Q