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<?php $tz = new DateTimeZone('Europe/Prague'); $dt = new DateTimeImmutable('2014-10-26 01:00:00', $tz); var_dump($dt); var_dump($dt->modify('+1 hour')->format(DATE_ISO8601));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/v3E7U
function name:  (null)
number of ops:  22
compiled vars:  !0 = $tz, !1 = $dt
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $2      'DateTimeZone'
          1        SEND_VAL_EX                                              'Europe%2FPrague'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !0, $2
    4     4        NEW                                              $5      'DateTimeImmutable'
          5        SEND_VAL_EX                                              '2014-10-26+01%3A00%3A00'
          6        SEND_VAR_EX                                              !0
          7        DO_FCALL                                      0          
          8        ASSIGN                                                   !1, $5
    5     9        INIT_FCALL                                               'var_dump'
         10        SEND_VAR                                                 !1
         11        DO_ICALL                                                 
    6    12        INIT_FCALL                                               'var_dump'
         13        INIT_METHOD_CALL                                         !1, 'modify'
         14        SEND_VAL_EX                                              '%2B1+hour'
         15        DO_FCALL                                      0  $9      
         16        INIT_METHOD_CALL                                         $9, 'format'
         17        SEND_VAL_EX                                              'Y-m-d%5CTH%3Ai%3AsO'
         18        DO_FCALL                                      0  $10     
         19        SEND_VAR                                                 $10
         20        DO_ICALL                                                 
         21      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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