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<?php $date1 = DateTime::createFromFormat('z Y', "59 2016"); //wrong with leap year $date2 = DateTime::createFromFormat('Y z', "2016 59"); //correct $date3 = DateTime::createFromFormat('d-m-Y', "29-02-2016"); //correct $date4 = DateTime::createFromFormat('Y-m-d', "2016-02-29"); //correct // let's see: print $date1->format("z Y")."\n"; //60 2016 print $date2->format("z Y")."\n"; //59 2016 print $date3->format("z Y")."\n"; //59 2016 print $date4->format("z Y")."\n"; //59 2016
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/ei8A2
function name:  (null)
number of ops:  41
compiled vars:  !0 = $date1, !1 = $date2, !2 = $date3, !3 = $date4
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_STATIC_METHOD_CALL                                  'DateTime', 'createFromFormat'
          1        SEND_VAL                                                 'z+Y'
          2        SEND_VAL                                                 '59+2016'
          3        DO_FCALL                                      0  $4      
          4        ASSIGN                                                   !0, $4
    3     5        INIT_STATIC_METHOD_CALL                                  'DateTime', 'createFromFormat'
          6        SEND_VAL                                                 'Y+z'
          7        SEND_VAL                                                 '2016+59'
          8        DO_FCALL                                      0  $6      
          9        ASSIGN                                                   !1, $6
    4    10        INIT_STATIC_METHOD_CALL                                  'DateTime', 'createFromFormat'
         11        SEND_VAL                                                 'd-m-Y'
         12        SEND_VAL                                                 '29-02-2016'
         13        DO_FCALL                                      0  $8      
         14        ASSIGN                                                   !2, $8
    5    15        INIT_STATIC_METHOD_CALL                                  'DateTime', 'createFromFormat'
         16        SEND_VAL                                                 'Y-m-d'
         17        SEND_VAL                                                 '2016-02-29'
         18        DO_FCALL                                      0  $10     
         19        ASSIGN                                                   !3, $10
    8    20        INIT_METHOD_CALL                                         !0, 'format'
         21        SEND_VAL_EX                                              'z+Y'
         22        DO_FCALL                                      0  $12     
         23        CONCAT                                           ~13     $12, '%0A'
         24        ECHO                                                     ~13
    9    25        INIT_METHOD_CALL                                         !1, 'format'
         26        SEND_VAL_EX                                              'z+Y'
         27        DO_FCALL                                      0  $14     
         28        CONCAT                                           ~15     $14, '%0A'
         29        ECHO                                                     ~15
   10    30        INIT_METHOD_CALL                                         !2, 'format'
         31        SEND_VAL_EX                                              'z+Y'
         32        DO_FCALL                                      0  $16     
         33        CONCAT                                           ~17     $16, '%0A'
         34        ECHO                                                     ~17
   11    35        INIT_METHOD_CALL                                         !3, 'format'
         36        SEND_VAL_EX                                              'z+Y'
         37        DO_FCALL                                      0  $18     
         38        CONCAT                                           ~19     $18, '%0A'
         39        ECHO                                                     ~19
         40      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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