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<?php $tz = new DateTimeZone('Europe/Amsterdam'); $now = new DateTime('2015-10-01', $tz); $then = new DateTime('2015-01-01', $tz); $diff = $now->diff($then); print_r($diff); $now = new DateTime('2015-09-01', $tz); $then = new DateTime('2015-01-01', $tz); $diff = $now->diff($then); print_r($diff); $now = new DateTime('2015-11-01', $tz); $then = new DateTime('2015-01-01', $tz); $diff = $now->diff($then); print_r($diff);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/RV7IP
function name:  (null)
number of ops:  56
compiled vars:  !0 = $tz, !1 = $now, !2 = $then, !3 = $diff
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $4      'DateTimeZone'
          1        SEND_VAL_EX                                              'Europe%2FAmsterdam'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !0, $4
    5     4        NEW                                              $7      'DateTime'
          5        SEND_VAL_EX                                              '2015-10-01'
          6        SEND_VAR_EX                                              !0
          7        DO_FCALL                                      0          
          8        ASSIGN                                                   !1, $7
    6     9        NEW                                              $10     'DateTime'
         10        SEND_VAL_EX                                              '2015-01-01'
         11        SEND_VAR_EX                                              !0
         12        DO_FCALL                                      0          
         13        ASSIGN                                                   !2, $10
    7    14        INIT_METHOD_CALL                                         !1, 'diff'
         15        SEND_VAR_EX                                              !2
         16        DO_FCALL                                      0  $13     
         17        ASSIGN                                                   !3, $13
    8    18        INIT_FCALL                                               'print_r'
         19        SEND_VAR                                                 !3
         20        DO_ICALL                                                 
   10    21        NEW                                              $16     'DateTime'
         22        SEND_VAL_EX                                              '2015-09-01'
         23        SEND_VAR_EX                                              !0
         24        DO_FCALL                                      0          
         25        ASSIGN                                                   !1, $16
   11    26        NEW                                              $19     'DateTime'
         27        SEND_VAL_EX                                              '2015-01-01'
         28        SEND_VAR_EX                                              !0
         29        DO_FCALL                                      0          
         30        ASSIGN                                                   !2, $19
   12    31        INIT_METHOD_CALL                                         !1, 'diff'
         32        SEND_VAR_EX                                              !2
         33        DO_FCALL                                      0  $22     
         34        ASSIGN                                                   !3, $22
   13    35        INIT_FCALL                                               'print_r'
         36        SEND_VAR                                                 !3
         37        DO_ICALL                                                 
   15    38        NEW                                              $25     'DateTime'
         39        SEND_VAL_EX                                              '2015-11-01'
         40        SEND_VAR_EX                                              !0
         41        DO_FCALL                                      0          
         42        ASSIGN                                                   !1, $25
   16    43        NEW                                              $28     'DateTime'
         44        SEND_VAL_EX                                              '2015-01-01'
         45        SEND_VAR_EX                                              !0
         46        DO_FCALL                                      0          
         47        ASSIGN                                                   !2, $28
   17    48        INIT_METHOD_CALL                                         !1, 'diff'
         49        SEND_VAR_EX                                              !2
         50        DO_FCALL                                      0  $31     
         51        ASSIGN                                                   !3, $31
   18    52        INIT_FCALL                                               'print_r'
         53        SEND_VAR                                                 !3
         54        DO_ICALL                                                 
         55      > RETURN                                                   1

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