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<?php $date = new DateTime('2017-03-26 1:59:59', new DateTimeZone('Europe/Prague')); echo $date->format('Y-m-d H:i:s T') . PHP_EOL; $date->modify('+ 1 second')->modify('- 1 second'); echo $date->format('Y-m-d H:i:s T') . PHP_EOL; echo "\n"; $date = new DateTime('2016-10-30 1:59:59', new DateTimeZone('Europe/Prague')); echo $date->format('Y-m-d H:i:s T') . PHP_EOL; $date->modify('+ 1 second')->modify('+ 1 second'); echo $date->format('Y-m-d H:i:s T') . PHP_EOL;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/APhgB
function name:  (null)
number of ops:  50
compiled vars:  !0 = $date
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $1      'DateTime'
          1        SEND_VAL_EX                                              '2017-03-26+1%3A59%3A59'
          2        NEW                                              $2      'DateTimeZone'
          3        SEND_VAL_EX                                              'Europe%2FPrague'
          4        DO_FCALL                                      0          
          5        SEND_VAR_NO_REF_EX                                       $2
          6        DO_FCALL                                      0          
          7        ASSIGN                                                   !0, $1
    4     8        INIT_METHOD_CALL                                         !0, 'format'
          9        SEND_VAL_EX                                              'Y-m-d+H%3Ai%3As+T'
         10        DO_FCALL                                      0  $6      
         11        CONCAT                                           ~7      $6, '%0A'
         12        ECHO                                                     ~7
    5    13        INIT_METHOD_CALL                                         !0, 'modify'
         14        SEND_VAL_EX                                              '%2B+1+second'
         15        DO_FCALL                                      0  $8      
         16        INIT_METHOD_CALL                                         $8, 'modify'
         17        SEND_VAL_EX                                              '-+1+second'
         18        DO_FCALL                                      0          
    6    19        INIT_METHOD_CALL                                         !0, 'format'
         20        SEND_VAL_EX                                              'Y-m-d+H%3Ai%3As+T'
         21        DO_FCALL                                      0  $10     
         22        CONCAT                                           ~11     $10, '%0A'
         23        ECHO                                                     ~11
    8    24        ECHO                                                     '%0A'
   10    25        NEW                                              $12     'DateTime'
         26        SEND_VAL_EX                                              '2016-10-30+1%3A59%3A59'
         27        NEW                                              $13     'DateTimeZone'
         28        SEND_VAL_EX                                              'Europe%2FPrague'
         29        DO_FCALL                                      0          
         30        SEND_VAR_NO_REF_EX                                       $13
         31        DO_FCALL                                      0          
         32        ASSIGN                                                   !0, $12
   11    33        INIT_METHOD_CALL                                         !0, 'format'
         34        SEND_VAL_EX                                              'Y-m-d+H%3Ai%3As+T'
         35        DO_FCALL                                      0  $17     
         36        CONCAT                                           ~18     $17, '%0A'
         37        ECHO                                                     ~18
   12    38        INIT_METHOD_CALL                                         !0, 'modify'
         39        SEND_VAL_EX                                              '%2B+1+second'
         40        DO_FCALL                                      0  $19     
         41        INIT_METHOD_CALL                                         $19, 'modify'
         42        SEND_VAL_EX                                              '%2B+1+second'
         43        DO_FCALL                                      0          
   13    44        INIT_METHOD_CALL                                         !0, 'format'
         45        SEND_VAL_EX                                              'Y-m-d+H%3Ai%3As+T'
         46        DO_FCALL                                      0  $21     
         47        CONCAT                                           ~22     $21, '%0A'
         48        ECHO                                                     ~22
         49      > RETURN                                                   1

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