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<?php $foo = DateTime::createFromFormat('Y-m-d H:i:s', '2014-01-29 11:55:00'); var_dump($foo->getTimestamp()); $foo->setTimezone(new DateTimeZone('Europe/Vilnius')); var_dump($foo->getTimestamp()); $bar = DateTime::createFromFormat('Y-m-d H:i:s', '1970-01-01 11:55:00'); $bar->setTimezone(new DateTimeZone('Europe/Vilnius')); var_dump($foo, $bar, $foo->diff($bar));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/CTtsU
function name:  (null)
number of ops:  41
compiled vars:  !0 = $foo, !1 = $bar
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_STATIC_METHOD_CALL                                  'DateTime', 'createFromFormat'
          1        SEND_VAL                                                 'Y-m-d+H%3Ai%3As'
          2        SEND_VAL                                                 '2014-01-29+11%3A55%3A00'
          3        DO_FCALL                                      0  $2      
          4        ASSIGN                                                   !0, $2
    4     5        INIT_FCALL                                               'var_dump'
          6        INIT_METHOD_CALL                                         !0, 'getTimestamp'
          7        DO_FCALL                                      0  $4      
          8        SEND_VAR                                                 $4
          9        DO_ICALL                                                 
    5    10        INIT_METHOD_CALL                                         !0, 'setTimezone'
         11        NEW                                              $6      'DateTimeZone'
         12        SEND_VAL_EX                                              'Europe%2FVilnius'
         13        DO_FCALL                                      0          
         14        SEND_VAR_NO_REF_EX                                       $6
         15        DO_FCALL                                      0          
    6    16        INIT_FCALL                                               'var_dump'
         17        INIT_METHOD_CALL                                         !0, 'getTimestamp'
         18        DO_FCALL                                      0  $9      
         19        SEND_VAR                                                 $9
         20        DO_ICALL                                                 
    8    21        INIT_STATIC_METHOD_CALL                                  'DateTime', 'createFromFormat'
         22        SEND_VAL                                                 'Y-m-d+H%3Ai%3As'
         23        SEND_VAL                                                 '1970-01-01+11%3A55%3A00'
         24        DO_FCALL                                      0  $11     
         25        ASSIGN                                                   !1, $11
    9    26        INIT_METHOD_CALL                                         !1, 'setTimezone'
         27        NEW                                              $13     'DateTimeZone'
         28        SEND_VAL_EX                                              'Europe%2FVilnius'
         29        DO_FCALL                                      0          
         30        SEND_VAR_NO_REF_EX                                       $13
         31        DO_FCALL                                      0          
   11    32        INIT_FCALL                                               'var_dump'
         33        SEND_VAR                                                 !0
         34        SEND_VAR                                                 !1
         35        INIT_METHOD_CALL                                         !0, 'diff'
         36        SEND_VAR_EX                                              !1
         37        DO_FCALL                                      0  $16     
         38        SEND_VAR                                                 $16
         39        DO_ICALL                                                 
         40      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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