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<?php $dateTime = '2007-01-11 12:34:56'; preg_match('~(?<date>\d{4}-\d{2}-\d{2})\s?(?<time>\d{2}:\d{2}:\d{2})?~', $dateTime, $matches); $matches['time'] = array_key_exists('time', $matches) ?: '00:00:00'; var_dump($matches);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/MP59L
function name:  (null)
number of ops:  15
compiled vars:  !0 = $dateTime, !1 = $matches
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '2007-01-11+12%3A34%3A56'
    4     1        INIT_FCALL                                               'preg_match'
          2        SEND_VAL                                                 '%7E%28%3F%3Cdate%3E%5Cd%7B4%7D-%5Cd%7B2%7D-%5Cd%7B2%7D%29%5Cs%3F%28%3F%3Ctime%3E%5Cd%7B2%7D%3A%5Cd%7B2%7D%3A%5Cd%7B2%7D%29%3F%7E'
          3        SEND_VAR                                                 !0
          4        SEND_REF                                                 !1
          5        DO_ICALL                                                 
    5     6        ARRAY_KEY_EXISTS                                 ~5      'time', !1
          7        JMP_SET                                          ~6      ~5, ->9
          8        QM_ASSIGN                                        ~6      '00%3A00%3A00'
          9        ASSIGN_DIM                                               !1, 'time'
         10        OP_DATA                                                  ~6
    7    11        INIT_FCALL                                               'var_dump'
         12        SEND_VAR                                                 !1
         13        DO_ICALL                                                 
         14      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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