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<?php // Leap second on 2016-12-31 $date = DateTimeImmutable::createFromFormat( 'j-M-Y H:i:s', '31-Dec-2016 23:59:60' ); echo $date->format('Y-m-d H:i:s'); // 2017-01-01 00:00:00 $date = DateTimeImmutable::createFromFormat( 'j-M-Y H:i:s', '99-Dec-2016 99:99:99' ); echo $date->format('Y-m-d H:i:s'); // 2017-03-13 04:40:39 $date = DateTimeImmutable::createFromFormat( 'j-M-Y H:i:s', '99-Dec-2016 99:99:100' ); var_dump($date); // false
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/pXq0Q
function name:  (null)
number of ops:  27
compiled vars:  !0 = $date
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    4     0  E >   INIT_STATIC_METHOD_CALL                                      'DateTimeImmutable', 'createFromFormat'
    5     1        SEND_VAL                                                     'j-M-Y+H%3Ai%3As'
          2        SEND_VAL                                                     '31-Dec-2016+23%3A59%3A60'
    4     3        DO_FCALL                                          0  $1      
          4        ASSIGN                                                       !0, $1
    7     5        INIT_METHOD_CALL                                             !0, 'format'
          6        SEND_VAL_EX                                                  'Y-m-d+H%3Ai%3As'
          7        DO_FCALL                                          0  $3      
          8        ECHO                                                         $3
   11     9        INIT_STATIC_METHOD_CALL                                      'DateTimeImmutable', 'createFromFormat'
   12    10        SEND_VAL                                                     'j-M-Y+H%3Ai%3As'
         11        SEND_VAL                                                     '99-Dec-2016+99%3A99%3A99'
   11    12        DO_FCALL                                          0  $4      
         13        ASSIGN                                                       !0, $4
   14    14        INIT_METHOD_CALL                                             !0, 'format'
         15        SEND_VAL_EX                                                  'Y-m-d+H%3Ai%3As'
         16        DO_FCALL                                          0  $6      
         17        ECHO                                                         $6
   17    18        INIT_STATIC_METHOD_CALL                                      'DateTimeImmutable', 'createFromFormat'
   18    19        SEND_VAL                                                     'j-M-Y+H%3Ai%3As'
         20        SEND_VAL                                                     '99-Dec-2016+99%3A99%3A100'
   17    21        DO_FCALL                                          0  $7      
         22        ASSIGN                                                       !0, $7
   20    23        INIT_FCALL                                                   'var_dump'
         24        SEND_VAR                                                     !0
         25        DO_ICALL                                                     
         26      > RETURN                                                       1

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