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<?php date_default_timezone_set('Zulu'); $year = date_diff( new DateTime("10/13/2013 16:00"), new DateTime("10/13/2014 16:00") ); $week = new DateInterval("P1W"); $a = $week >= $year; $b = $week == $year; $c = $week <= $year; var_dump($week); $d = $week >= $year; $e = $week == $year; $f = $week <= $year; var_dump($year); $g = $week >= $year; $h = $week == $year; $i = $week <= $year; echo "Initial:" . PHP_EOL; var_dump($a, $b, $c); echo 'After var_dump($week):' . PHP_EOL; var_dump($d, $e, $f); echo 'After var_dump($year):' . PHP_EOL; var_dump($g, $h, $i); echo 'Expected result : bool(false) bool(false) bool(true)';
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/XG6j5
function name:  (null)
number of ops:  62
compiled vars:  !0 = $year, !1 = $week, !2 = $a, !3 = $b, !4 = $c, !5 = $d, !6 = $e, !7 = $f, !8 = $g, !9 = $h, !10 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'date_default_timezone_set'
          1        SEND_VAL                                                 'Zulu'
          2        DO_ICALL                                                 
    4     3        INIT_FCALL                                               'date_diff'
    5     4        NEW                                              $12     'DateTime'
          5        SEND_VAL_EX                                              '10%2F13%2F2013+16%3A00'
          6        DO_FCALL                                      0          
          7        SEND_VAR                                                 $12
    6     8        NEW                                              $14     'DateTime'
          9        SEND_VAL_EX                                              '10%2F13%2F2014+16%3A00'
         10        DO_FCALL                                      0          
         11        SEND_VAR                                                 $14
         12        DO_ICALL                                         $16     
    4    13        ASSIGN                                                   !0, $16
    8    14        NEW                                              $18     'DateInterval'
         15        SEND_VAL_EX                                              'P1W'
         16        DO_FCALL                                      0          
         17        ASSIGN                                                   !1, $18
    9    18        IS_SMALLER_OR_EQUAL                              ~21     !0, !1
         19        ASSIGN                                                   !2, ~21
   10    20        IS_EQUAL                                         ~23     !1, !0
         21        ASSIGN                                                   !3, ~23
   11    22        IS_SMALLER_OR_EQUAL                              ~25     !1, !0
         23        ASSIGN                                                   !4, ~25
   12    24        INIT_FCALL                                               'var_dump'
         25        SEND_VAR                                                 !1
         26        DO_ICALL                                                 
   13    27        IS_SMALLER_OR_EQUAL                              ~28     !0, !1
         28        ASSIGN                                                   !5, ~28
   14    29        IS_EQUAL                                         ~30     !1, !0
         30        ASSIGN                                                   !6, ~30
   15    31        IS_SMALLER_OR_EQUAL                              ~32     !1, !0
         32        ASSIGN                                                   !7, ~32
   16    33        INIT_FCALL                                               'var_dump'
         34        SEND_VAR                                                 !0
         35        DO_ICALL                                                 
   17    36        IS_SMALLER_OR_EQUAL                              ~35     !0, !1
         37        ASSIGN                                                   !8, ~35
   18    38        IS_EQUAL                                         ~37     !1, !0
         39        ASSIGN                                                   !9, ~37
   19    40        IS_SMALLER_OR_EQUAL                              ~39     !1, !0
         41        ASSIGN                                                   !10, ~39
   20    42        ECHO                                                     'Initial%3A%0A'
   21    43        INIT_FCALL                                               'var_dump'
         44        SEND_VAR                                                 !2
         45        SEND_VAR                                                 !3
         46        SEND_VAR                                                 !4
         47        DO_ICALL                                                 
   22    48        ECHO                                                     'After+var_dump%28%24week%29%3A%0A'
   23    49        INIT_FCALL                                               'var_dump'
         50        SEND_VAR                                                 !5
         51        SEND_VAR                                                 !6
         52        SEND_VAR                                                 !7
         53        DO_ICALL                                                 
   24    54        ECHO                                                     'After+var_dump%28%24year%29%3A%0A'
   25    55        INIT_FCALL                                               'var_dump'
         56        SEND_VAR                                                 !8
         57        SEND_VAR                                                 !9
         58        SEND_VAR                                                 !10
         59        DO_ICALL                                                 
   26    60        ECHO                                                     'Expected+result+%3A%0Abool%28false%29%0Abool%28false%29%0Abool%28true%29'
   29    61      > RETURN                                                   1

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