3v4l.org

run code in 300+ PHP versions simultaneously
<?php date_default_timezone_set('Europe/Berlin'); $birthday = new DateTime('1990-09-23 22:09'); $today = new DateTime('2013-01-24 21:00'); $today->add(new DateInterval('PT1H')); $age = $birthday->diff($today, true); var_dump($age->h);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/ekMU7
function name:  (null)
number of ops:  27
compiled vars:  !0 = $birthday, !1 = $today, !2 = $age
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'date_default_timezone_set'
          1        SEND_VAL                                                 'Europe%2FBerlin'
          2        DO_ICALL                                                 
    4     3        NEW                                              $4      'DateTime'
          4        SEND_VAL_EX                                              '1990-09-23+22%3A09'
          5        DO_FCALL                                      0          
          6        ASSIGN                                                   !0, $4
    5     7        NEW                                              $7      'DateTime'
          8        SEND_VAL_EX                                              '2013-01-24+21%3A00'
          9        DO_FCALL                                      0          
         10        ASSIGN                                                   !1, $7
    6    11        INIT_METHOD_CALL                                         !1, 'add'
         12        NEW                                              $10     'DateInterval'
         13        SEND_VAL_EX                                              'PT1H'
         14        DO_FCALL                                      0          
         15        SEND_VAR_NO_REF_EX                                       $10
         16        DO_FCALL                                      0          
    8    17        INIT_METHOD_CALL                                         !0, 'diff'
         18        SEND_VAR_EX                                              !1
         19        SEND_VAL_EX                                              <true>
         20        DO_FCALL                                      0  $13     
         21        ASSIGN                                                   !2, $13
   10    22        INIT_FCALL                                               'var_dump'
         23        FETCH_OBJ_R                                      ~15     !2, 'h'
         24        SEND_VAL                                                 ~15
         25        DO_ICALL                                                 
         26      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
152.98 ms | 1395 KiB | 17 Q