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<?php $date = new DateTime('2006-12-12'); $date->modify('+1 day'); echo $date->format('Y-m-d') . "\n"; $date = new DateTimeImmutable('2006-12-12'); $date2 = $date->modify('+1 day'); echo $date->format('Y-m-d') . "\n"; echo $date2->format('Y-m-d') . "\n"; ?>
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/A6CEZ
function name:  (null)
number of ops:  31
compiled vars:  !0 = $date, !1 = $date2
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   NEW                                              $2      'DateTime'
          1        SEND_VAL_EX                                              '2006-12-12'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !0, $2
    3     4        INIT_METHOD_CALL                                         !0, 'modify'
          5        SEND_VAL_EX                                              '%2B1+day'
          6        DO_FCALL                                      0          
    4     7        INIT_METHOD_CALL                                         !0, 'format'
          8        SEND_VAL_EX                                              'Y-m-d'
          9        DO_FCALL                                      0  $6      
         10        CONCAT                                           ~7      $6, '%0A'
         11        ECHO                                                     ~7
    6    12        NEW                                              $8      'DateTimeImmutable'
         13        SEND_VAL_EX                                              '2006-12-12'
         14        DO_FCALL                                      0          
         15        ASSIGN                                                   !0, $8
    7    16        INIT_METHOD_CALL                                         !0, 'modify'
         17        SEND_VAL_EX                                              '%2B1+day'
         18        DO_FCALL                                      0  $11     
         19        ASSIGN                                                   !1, $11
    8    20        INIT_METHOD_CALL                                         !0, 'format'
         21        SEND_VAL_EX                                              'Y-m-d'
         22        DO_FCALL                                      0  $13     
         23        CONCAT                                           ~14     $13, '%0A'
         24        ECHO                                                     ~14
    9    25        INIT_METHOD_CALL                                         !1, 'format'
         26        SEND_VAL_EX                                              'Y-m-d'
         27        DO_FCALL                                      0  $15     
         28        CONCAT                                           ~16     $15, '%0A'
         29        ECHO                                                     ~16
   11    30      > RETURN                                                   1

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