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<?php $a = new \DateTimeZone("Europe/Rome"); $b = new \DateTimeZone("Europe/Athens"); var_dump($a == $b);
based on UpNLe
Finding entry points
Branch analysis from position: 0
Jump found. Position 1 = -2
filename:       /in/DDU1E
function name:  (null)
number of ops:  13
compiled vars:  !0 = $a, !1 = $b
line     #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   4     0  E >   NEW                                              $2      :-6
         1        SEND_VAL_EX                                              'Europe%2FRome'
         2        DO_FCALL                                      0          
         3        ASSIGN                                                   !0, $2
   5     4        NEW                                              $5      :-3
         5        SEND_VAL_EX                                              'Europe%2FAthens'
         6        DO_FCALL                                      0          
         7        ASSIGN                                                   !1, $5
   7     8        INIT_FCALL                                               'var_dump'
         9        IS_EQUAL                                         ~8      !0, !1
        10        SEND_VAL                                                 ~8
        11        DO_ICALL                                                 
        12      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 7.3.0