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<?php $minutes = 5; echo (new DateTime('2001-01-01 01:' . (floor($dt->format('i')/$minutes) * $minutes) . ':60'))->format('Y-m-d H:i:s') . "\n"; echo (new DateTime('2001-01-01 01:' . (ceil($dt->format('i')/$minutes) * $minutes) . ':60'))->format('Y-m-d H:i:s') . "\n";
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/vi6kF
function name:  (null)
number of ops:  38
compiled vars:  !0 = $minutes, !1 = $dt
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 5
    5     1        NEW                                              $3      'DateTime'
          2        INIT_FCALL                                               'floor'
          3        INIT_METHOD_CALL                                         !1, 'format'
          4        SEND_VAL_EX                                              'i'
          5        DO_FCALL                                      0  $4      
          6        DIV                                              ~5      $4, !0
          7        SEND_VAL                                                 ~5
          8        DO_ICALL                                         $6      
          9        MUL                                              ~7      !0, $6
         10        CONCAT                                           ~8      '2001-01-01+01%3A', ~7
         11        CONCAT                                           ~9      ~8, '%3A60'
         12        SEND_VAL_EX                                              ~9
         13        DO_FCALL                                      0          
         14        INIT_METHOD_CALL                                         $3, 'format'
         15        SEND_VAL_EX                                              'Y-m-d+H%3Ai%3As'
         16        DO_FCALL                                      0  $11     
         17        CONCAT                                           ~12     $11, '%0A'
         18        ECHO                                                     ~12
    6    19        NEW                                              $13     'DateTime'
         20        INIT_FCALL                                               'ceil'
         21        INIT_METHOD_CALL                                         !1, 'format'
         22        SEND_VAL_EX                                              'i'
         23        DO_FCALL                                      0  $14     
         24        DIV                                              ~15     $14, !0
         25        SEND_VAL                                                 ~15
         26        DO_ICALL                                         $16     
         27        MUL                                              ~17     !0, $16
         28        CONCAT                                           ~18     '2001-01-01+01%3A', ~17
         29        CONCAT                                           ~19     ~18, '%3A60'
         30        SEND_VAL_EX                                              ~19
         31        DO_FCALL                                      0          
         32        INIT_METHOD_CALL                                         $13, 'format'
         33        SEND_VAL_EX                                              'Y-m-d+H%3Ai%3As'
         34        DO_FCALL                                      0  $21     
         35        CONCAT                                           ~22     $21, '%0A'
         36        ECHO                                                     ~22
         37      > RETURN                                                   1

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