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<?php function fdate($date) { $count = 0; if (strpos($date, "-") === false) { $date = preg_replace("~.*?(\d+)/(\d+)/(\d+)(\s+(\d+:\d+(:\d+)?))?.*~", "$3-$2-$1 $5", $date, 1, $count); if (!$count) { $date = false; } } if ($date && preg_match("~\d{4}-\d{1,2}-\d{1,2}( \d{2}:\d{2}:\d{2})?~", $date)) { return $date; } else { return false; } } echo fdate("2015-04-09"), "\r\n"; echo fdate("09-04-2015"), "\r\n"; echo "\r\n"; echo fdate("2015/04/09"), "\r\n"; echo fdate("09/04/2015"), "\r\n";
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/2IfZ2
function name:  (null)
number of ops:  22
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   22     0  E >   INIT_FCALL                                               'fdate'
          1        SEND_VAL                                                 '2015-04-09'
          2        DO_FCALL                                      0  $0      
          3        ECHO                                                     $0
          4        ECHO                                                     '%0D%0A'
   23     5        INIT_FCALL                                               'fdate'
          6        SEND_VAL                                                 '09-04-2015'
          7        DO_FCALL                                      0  $1      
          8        ECHO                                                     $1
          9        ECHO                                                     '%0D%0A'
   24    10        ECHO                                                     '%0D%0A'
   25    11        INIT_FCALL                                               'fdate'
         12        SEND_VAL                                                 '2015%2F04%2F09'
         13        DO_FCALL                                      0  $2      
         14        ECHO                                                     $2
         15        ECHO                                                     '%0D%0A'
   26    16        INIT_FCALL                                               'fdate'
         17        SEND_VAL                                                 '09%2F04%2F2015'
         18        DO_FCALL                                      0  $3      
         19        ECHO                                                     $3
         20        ECHO                                                     '%0D%0A'
         21      > RETURN                                                   1

Function fdate:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 8, Position 2 = 19
Branch analysis from position: 8
2 jumps found. (Code = 43) Position 1 = 18, Position 2 = 19
Branch analysis from position: 18
2 jumps found. (Code = 46) Position 1 = 20, Position 2 = 25
Branch analysis from position: 20
2 jumps found. (Code = 43) Position 1 = 26, Position 2 = 28
Branch analysis from position: 26
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 28
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 25
Branch analysis from position: 19
Branch analysis from position: 19
filename:       /in/2IfZ2
function name:  fdate
number of ops:  30
compiled vars:  !0 = $date, !1 = $count
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
    5     1        ASSIGN                                                   !1, 0
    7     2        INIT_FCALL                                               'strpos'
          3        SEND_VAR                                                 !0
          4        SEND_VAL                                                 '-'
          5        DO_ICALL                                         $3      
          6        TYPE_CHECK                                    4          $3
          7      > JMPZ                                                     ~4, ->19
    8     8    >   INIT_FCALL                                               'preg_replace'
          9        SEND_VAL                                                 '%7E.%2A%3F%28%5Cd%2B%29%2F%28%5Cd%2B%29%2F%28%5Cd%2B%29%28%5Cs%2B%28%5Cd%2B%3A%5Cd%2B%28%3A%5Cd%2B%29%3F%29%29%3F.%2A%7E'
         10        SEND_VAL                                                 '%243-%242-%241+%245'
         11        SEND_VAR                                                 !0
         12        SEND_VAL                                                 1
         13        SEND_REF                                                 !1
         14        DO_ICALL                                         $5      
         15        ASSIGN                                                   !0, $5
   10    16        BOOL_NOT                                         ~7      !1
         17      > JMPZ                                                     ~7, ->19
   11    18    >   ASSIGN                                                   !0, <false>
   15    19    > > JMPZ_EX                                          ~9      !0, ->25
         20    >   INIT_FCALL                                               'preg_match'
         21        SEND_VAL                                                 '%7E%5Cd%7B4%7D-%5Cd%7B1%2C2%7D-%5Cd%7B1%2C2%7D%28+%5Cd%7B2%7D%3A%5Cd%7B2%7D%3A%5Cd%7B2%7D%29%3F%7E'
         22        SEND_VAR                                                 !0
         23        DO_ICALL                                         $10     
         24        BOOL                                             ~9      $10
         25    > > JMPZ                                                     ~9, ->28
   16    26    > > RETURN                                                   !0
         27*       JMP                                                      ->29
   18    28    > > RETURN                                                   <false>
   20    29*     > RETURN                                                   null

End of function fdate

Generated using Vulcan Logic Dumper, using php 8.0.0


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