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<?php $now = new DateTime('now'); $date = DateTime::createFromFormat('YmdHis', '2004' . $now->format('md') . '235959'); $diff = $date->diff($now, true); $diff->y = 0; print_r($diff); die; printf( 'Got %s and expected %s', $now->sub($diff)->format(DateTime::ISO8601), $date->format(DateTime::ISO8601) );
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 79) Position 1 = -2
filename:       /in/H65Y2
function name:  (null)
number of ops:  40
compiled vars:  !0 = $now, !1 = $date, !2 = $diff
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $3      'DateTime'
          1        SEND_VAL_EX                                              'now'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !0, $3
    4     4        INIT_STATIC_METHOD_CALL                                  'DateTime', 'createFromFormat'
          5        SEND_VAL                                                 'YmdHis'
          6        INIT_METHOD_CALL                                         !0, 'format'
          7        SEND_VAL_EX                                              'md'
          8        DO_FCALL                                      0  $6      
          9        CONCAT                                           ~7      '2004', $6
         10        CONCAT                                           ~8      ~7, '235959'
         11        SEND_VAL                                                 ~8
         12        DO_FCALL                                      0  $9      
         13        ASSIGN                                                   !1, $9
    6    14        INIT_METHOD_CALL                                         !1, 'diff'
         15        SEND_VAR_EX                                              !0
         16        SEND_VAL_EX                                              <true>
         17        DO_FCALL                                      0  $11     
         18        ASSIGN                                                   !2, $11
    7    19        ASSIGN_OBJ                                               !2, 'y'
         20        OP_DATA                                                  0
    8    21        INIT_FCALL                                               'print_r'
         22        SEND_VAR                                                 !2
         23        DO_ICALL                                                 
    9    24      > EXIT                                                     
   11    25*       INIT_FCALL                                               'printf'
   12    26*       SEND_VAL                                                 'Got+%25s+and+expected+%25s'
   13    27*       INIT_METHOD_CALL                                         !0, 'sub'
         28*       SEND_VAR_EX                                              !2
         29*       DO_FCALL                                      0  $15     
         30*       INIT_METHOD_CALL                                         $15, 'format'
         31*       SEND_VAL_EX                                              'Y-m-d%5CTH%3Ai%3AsO'
         32*       DO_FCALL                                      0  $16     
         33*       SEND_VAR                                                 $16
   14    34*       INIT_METHOD_CALL                                         !1, 'format'
         35*       SEND_VAL_EX                                              'Y-m-d%5CTH%3Ai%3AsO'
         36*       DO_FCALL                                      0  $17     
         37*       SEND_VAR                                                 $17
         38*       DO_ICALL                                                 
   15    39*     > RETURN                                                   1

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