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<?php function validateDate($date, $format = 'Y-m-d H:i:s') { $d = DateTime::createFromFormat($format, $date); return $d && $d->format($format) == $date; } echo validateDate('2012-02-30 12:12:12'); echo validateDate('30/02/2012', 'd/m/Y'); echo validateDate('14:77', 'H:i'); echo validateDate('2012-02-28 12:12:12');
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/qubvi
function name:  (null)
number of ops:  19
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   11     0  E >   INIT_FCALL                                               'validatedate'
          1        SEND_VAL                                                 '2012-02-30+12%3A12%3A12'
          2        DO_FCALL                                      0  $0      
          3        ECHO                                                     $0
   12     4        INIT_FCALL                                               'validatedate'
          5        SEND_VAL                                                 '30%2F02%2F2012'
          6        SEND_VAL                                                 'd%2Fm%2FY'
          7        DO_FCALL                                      0  $1      
          8        ECHO                                                     $1
   13     9        INIT_FCALL                                               'validatedate'
         10        SEND_VAL                                                 '14%3A77'
         11        SEND_VAL                                                 'H%3Ai'
         12        DO_FCALL                                      0  $2      
         13        ECHO                                                     $2
   14    14        INIT_FCALL                                               'validatedate'
         15        SEND_VAL                                                 '2012-02-28+12%3A12%3A12'
         16        DO_FCALL                                      0  $3      
         17        ECHO                                                     $3
         18      > RETURN                                                   1

Function validatedate:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 46) Position 1 = 8, Position 2 = 13
Branch analysis from position: 8
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 13
filename:       /in/qubvi
function name:  validateDate
number of ops:  15
compiled vars:  !0 = $date, !1 = $format, !2 = $d
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
          1        RECV_INIT                                        !1      'Y-m-d+H%3Ai%3As'
    5     2        INIT_STATIC_METHOD_CALL                                  'DateTime', 'createFromFormat'
          3        SEND_VAR                                                 !1
          4        SEND_VAR                                                 !0
          5        DO_FCALL                                      0  $3      
          6        ASSIGN                                                   !2, $3
    6     7      > JMPZ_EX                                          ~5      !2, ->13
          8    >   INIT_METHOD_CALL                                         !2, 'format'
          9        SEND_VAR_EX                                              !1
         10        DO_FCALL                                      0  $6      
         11        IS_EQUAL                                         ~7      !0, $6
         12        BOOL                                             ~5      ~7
         13    > > RETURN                                                   ~5
    7    14*     > RETURN                                                   null

End of function validatedate

Generated using Vulcan Logic Dumper, using php 8.0.0


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