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<?php $datetime = new DateTime(null, new DateTimeZone('UTC')); $datetime_2 = clone $datetime; $datetime_2->add(new DateInterval('PT2S')); var_dump($datetime < $datetime_2); var_dump($datetime->getTimestamp() < $datetime_2->getTimestamp()); $datetime_2->setTimezone(new DateTimeZone('America/New_York')); var_dump($datetime < $datetime_2); var_dump($datetime->getTimestamp() < $datetime_2->getTimestamp());
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/MDqHr
function name:  (null)
number of ops:  47
compiled vars:  !0 = $datetime, !1 = $datetime_2
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $2      'DateTime'
          1        SEND_VAL_EX                                              null
          2        NEW                                              $3      'DateTimeZone'
          3        SEND_VAL_EX                                              'UTC'
          4        DO_FCALL                                      0          
          5        SEND_VAR_NO_REF_EX                                       $3
          6        DO_FCALL                                      0          
          7        ASSIGN                                                   !0, $2
    4     8        CLONE                                            ~7      !0
          9        ASSIGN                                                   !1, ~7
    5    10        INIT_METHOD_CALL                                         !1, 'add'
         11        NEW                                              $9      'DateInterval'
         12        SEND_VAL_EX                                              'PT2S'
         13        DO_FCALL                                      0          
         14        SEND_VAR_NO_REF_EX                                       $9
         15        DO_FCALL                                      0          
    7    16        INIT_FCALL                                               'var_dump'
         17        IS_SMALLER                                       ~12     !0, !1
         18        SEND_VAL                                                 ~12
         19        DO_ICALL                                                 
    8    20        INIT_FCALL                                               'var_dump'
         21        INIT_METHOD_CALL                                         !0, 'getTimestamp'
         22        DO_FCALL                                      0  $14     
         23        INIT_METHOD_CALL                                         !1, 'getTimestamp'
         24        DO_FCALL                                      0  $15     
         25        IS_SMALLER                                       ~16     $14, $15
         26        SEND_VAL                                                 ~16
         27        DO_ICALL                                                 
   10    28        INIT_METHOD_CALL                                         !1, 'setTimezone'
         29        NEW                                              $18     'DateTimeZone'
         30        SEND_VAL_EX                                              'America%2FNew_York'
         31        DO_FCALL                                      0          
         32        SEND_VAR_NO_REF_EX                                       $18
         33        DO_FCALL                                      0          
   12    34        INIT_FCALL                                               'var_dump'
         35        IS_SMALLER                                       ~21     !0, !1
         36        SEND_VAL                                                 ~21
         37        DO_ICALL                                                 
   13    38        INIT_FCALL                                               'var_dump'
         39        INIT_METHOD_CALL                                         !0, 'getTimestamp'
         40        DO_FCALL                                      0  $23     
         41        INIT_METHOD_CALL                                         !1, 'getTimestamp'
         42        DO_FCALL                                      0  $24     
         43        IS_SMALLER                                       ~25     $23, $24
         44        SEND_VAL                                                 ~25
         45        DO_ICALL                                                 
         46      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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