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<?php $x = (new DateTimeImmutable('today'))->setTimeZone(new DateTimeZone('UTC')); $y = (new DateTimeImmutable('today'))->setTimeZone(new DateTimeZone('Europe/Rome')); var_dump($x->setTime(10, 10, 10) == $y->setTime(12, 10, 10));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/6ElvY
function name:  (null)
number of ops:  35
compiled vars:  !0 = $x, !1 = $y
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $2      'DateTimeImmutable'
          1        SEND_VAL_EX                                              'today'
          2        DO_FCALL                                      0          
          3        INIT_METHOD_CALL                                         $2, 'setTimeZone'
          4        NEW                                              $4      'DateTimeZone'
          5        SEND_VAL_EX                                              'UTC'
          6        DO_FCALL                                      0          
          7        SEND_VAR_NO_REF_EX                                       $4
          8        DO_FCALL                                      0  $6      
          9        ASSIGN                                                   !0, $6
    4    10        NEW                                              $8      'DateTimeImmutable'
         11        SEND_VAL_EX                                              'today'
         12        DO_FCALL                                      0          
         13        INIT_METHOD_CALL                                         $8, 'setTimeZone'
         14        NEW                                              $10     'DateTimeZone'
         15        SEND_VAL_EX                                              'Europe%2FRome'
         16        DO_FCALL                                      0          
         17        SEND_VAR_NO_REF_EX                                       $10
         18        DO_FCALL                                      0  $12     
         19        ASSIGN                                                   !1, $12
    6    20        INIT_FCALL                                               'var_dump'
         21        INIT_METHOD_CALL                                         !0, 'setTime'
         22        SEND_VAL_EX                                              10
         23        SEND_VAL_EX                                              10
         24        SEND_VAL_EX                                              10
         25        DO_FCALL                                      0  $14     
         26        INIT_METHOD_CALL                                         !1, 'setTime'
         27        SEND_VAL_EX                                              12
         28        SEND_VAL_EX                                              10
         29        SEND_VAL_EX                                              10
         30        DO_FCALL                                      0  $15     
         31        IS_EQUAL                                         ~16     $14, $15
         32        SEND_VAL                                                 ~16
         33        DO_ICALL                                                 
         34      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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173.3 ms | 1396 KiB | 15 Q