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<?php date_default_timezone_set('Australia/Sydney'); $site_timezone = new \DateTimeZone('Australia/Sydney'); $utc = new \DateTimeZone('UTC'); $format = 'Y-m-d h:i:s'; echo \DateTime::createFromFormat($format, '2020-10-01 00:00:00', $site_timezone)->format('U') . PHP_EOL; echo strtotime('2020-10-01 00:00:00') . PHP_EOL; echo \DateTime::createFromFormat($format, '2020-10-01 00:00:00', $utc)->format('U') . PHP_EOL;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Q8ajV
function name:  (null)
number of ops:  38
compiled vars:  !0 = $site_timezone, !1 = $utc, !2 = $format
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'date_default_timezone_set'
          1        SEND_VAL                                                 'Australia%2FSydney'
          2        DO_ICALL                                                 
    3     3        NEW                                              $4      'DateTimeZone'
          4        SEND_VAL_EX                                              'Australia%2FSydney'
          5        DO_FCALL                                      0          
          6        ASSIGN                                                   !0, $4
    4     7        NEW                                              $7      'DateTimeZone'
          8        SEND_VAL_EX                                              'UTC'
          9        DO_FCALL                                      0          
         10        ASSIGN                                                   !1, $7
    5    11        ASSIGN                                                   !2, 'Y-m-d+h%3Ai%3As'
    6    12        INIT_STATIC_METHOD_CALL                                  'DateTime', 'createFromFormat'
         13        SEND_VAR                                                 !2
         14        SEND_VAL                                                 '2020-10-01+00%3A00%3A00'
         15        SEND_VAR                                                 !0
         16        DO_FCALL                                      0  $11     
         17        INIT_METHOD_CALL                                         $11, 'format'
         18        SEND_VAL_EX                                              'U'
         19        DO_FCALL                                      0  $12     
         20        CONCAT                                           ~13     $12, '%0A'
         21        ECHO                                                     ~13
    7    22        INIT_FCALL                                               'strtotime'
         23        SEND_VAL                                                 '2020-10-01+00%3A00%3A00'
         24        DO_ICALL                                         $14     
         25        CONCAT                                           ~15     $14, '%0A'
         26        ECHO                                                     ~15
    8    27        INIT_STATIC_METHOD_CALL                                  'DateTime', 'createFromFormat'
         28        SEND_VAR                                                 !2
         29        SEND_VAL                                                 '2020-10-01+00%3A00%3A00'
         30        SEND_VAR                                                 !1
         31        DO_FCALL                                      0  $16     
         32        INIT_METHOD_CALL                                         $16, 'format'
         33        SEND_VAL_EX                                              'U'
         34        DO_FCALL                                      0  $17     
         35        CONCAT                                           ~18     $17, '%0A'
         36        ECHO                                                     ~18
    9    37      > RETURN                                                   1

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