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<?php $x = (new DateTimeImmutable('today')) ->setTimeZone(new DateTimeZone('UTC')) ->setTime(10, 10, 10); $y = clone $x; $y = $y ->setTimeZone(new DateTimeZone('Europe/Rome')) ->setTime(12, 10, 10); var_dump($x->format('U')); var_dump($y->format('U')); var_dump($x == $y);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/AZRKB
function name:  (null)
number of ops:  46
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          
    4     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      
    5     9        INIT_METHOD_CALL                                         $6, 'setTime'
         10        SEND_VAL_EX                                              10
         11        SEND_VAL_EX                                              10
         12        SEND_VAL_EX                                              10
         13        DO_FCALL                                      0  $7      
    3    14        ASSIGN                                                   !0, $7
    6    15        CLONE                                            ~9      !0
         16        ASSIGN                                                   !1, ~9
    8    17        INIT_METHOD_CALL                                         !1, 'setTimeZone'
         18        NEW                                              $11     'DateTimeZone'
         19        SEND_VAL_EX                                              'Europe%2FRome'
         20        DO_FCALL                                      0          
         21        SEND_VAR_NO_REF_EX                                       $11
         22        DO_FCALL                                      0  $13     
    9    23        INIT_METHOD_CALL                                         $13, 'setTime'
         24        SEND_VAL_EX                                              12
         25        SEND_VAL_EX                                              10
         26        SEND_VAL_EX                                              10
         27        DO_FCALL                                      0  $14     
    7    28        ASSIGN                                                   !1, $14
   11    29        INIT_FCALL                                               'var_dump'
         30        INIT_METHOD_CALL                                         !0, 'format'
         31        SEND_VAL_EX                                              'U'
         32        DO_FCALL                                      0  $16     
         33        SEND_VAR                                                 $16
         34        DO_ICALL                                                 
   12    35        INIT_FCALL                                               'var_dump'
         36        INIT_METHOD_CALL                                         !1, 'format'
         37        SEND_VAL_EX                                              'U'
         38        DO_FCALL                                      0  $18     
         39        SEND_VAR                                                 $18
         40        DO_ICALL                                                 
   14    41        INIT_FCALL                                               'var_dump'
         42        IS_EQUAL                                         ~20     !0, !1
         43        SEND_VAL                                                 ~20
         44        DO_ICALL                                                 
         45      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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