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<?php $date = '0000-02-29 00:00:00 UTC'; $timestamp = strtotime($date); for ($i = 0; $i < 29; $i++) { $timestamp = (new \Datetime('@' . $timestamp))->getTimestamp(); } echo (new \Datetime('@' . $timestamp))->format('Y-m-d');
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 15
Branch analysis from position: 15
2 jumps found. (Code = 44) Position 1 = 17, Position 2 = 7
Branch analysis from position: 17
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 7
2 jumps found. (Code = 44) Position 1 = 17, Position 2 = 7
Branch analysis from position: 17
Branch analysis from position: 7
filename:       /in/vqrKt
function name:  (null)
number of ops:  26
compiled vars:  !0 = $date, !1 = $timestamp, !2 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '0000-02-29+00%3A00%3A00+UTC'
    4     1        INIT_FCALL                                               'strtotime'
          2        SEND_VAR                                                 !0
          3        DO_ICALL                                         $4      
          4        ASSIGN                                                   !1, $4
    5     5        ASSIGN                                                   !2, 0
          6      > JMP                                                      ->15
    7     7    >   NEW                                              $7      'Datetime'
          8        CONCAT                                           ~8      '%40', !1
          9        SEND_VAL_EX                                              ~8
         10        DO_FCALL                                      0          
         11        INIT_METHOD_CALL                                         $7, 'getTimestamp'
         12        DO_FCALL                                      0  $10     
         13        ASSIGN                                                   !1, $10
    5    14        PRE_INC                                                  !2
         15    >   IS_SMALLER                                               !2, 29
         16      > JMPNZ                                                    ~13, ->7
    9    17    >   NEW                                              $14     'Datetime'
         18        CONCAT                                           ~15     '%40', !1
         19        SEND_VAL_EX                                              ~15
         20        DO_FCALL                                      0          
         21        INIT_METHOD_CALL                                         $14, 'format'
         22        SEND_VAL_EX                                              'Y-m-d'
         23        DO_FCALL                                      0  $17     
         24        ECHO                                                     $17
         25      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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146.1 ms | 1010 KiB | 14 Q