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<?php $now = (new DateTime())->setTime(0,0,31)->getTimestamp(); $ts = strftime('%Y-%m-%d %H:%M:00', $now); $exists = ['jobname/' . $ts => true ]; $timeAhead = 15 * 60 + $now; $jobName = 'jobname'; for ($time = $now + 30; $time < $timeAhead; $time += 60) { $ts = strftime('%Y-%m-%d %H:%M:00', $time); echo $ts . PHP_EOL; if (!empty($exists[$jobName.'/' . $ts])) { // already scheduled continue; } } echo count($exists);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 38
Branch analysis from position: 38
2 jumps found. (Code = 44) Position 1 = 40, Position 2 = 24
Branch analysis from position: 40
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 24
2 jumps found. (Code = 43) Position 1 = 36, Position 2 = 37
Branch analysis from position: 36
1 jumps found. (Code = 42) Position 1 = 37
Branch analysis from position: 37
2 jumps found. (Code = 44) Position 1 = 40, Position 2 = 24
Branch analysis from position: 40
Branch analysis from position: 24
Branch analysis from position: 37
filename:       /in/ZEtqm
function name:  (null)
number of ops:  43
compiled vars:  !0 = $now, !1 = $ts, !2 = $exists, !3 = $timeAhead, !4 = $jobName, !5 = $time
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   NEW                                              $6      'DateTime'
          1        DO_FCALL                                      0          
          2        INIT_METHOD_CALL                                         $6, 'setTime'
          3        SEND_VAL_EX                                              0
          4        SEND_VAL_EX                                              0
          5        SEND_VAL_EX                                              31
          6        DO_FCALL                                      0  $8      
          7        INIT_METHOD_CALL                                         $8, 'getTimestamp'
          8        DO_FCALL                                      0  $9      
          9        ASSIGN                                                   !0, $9
    3    10        INIT_FCALL                                               'strftime'
         11        SEND_VAL                                                 '%25Y-%25m-%25d+%25H%3A%25M%3A00'
         12        SEND_VAR                                                 !0
         13        DO_ICALL                                         $11     
         14        ASSIGN                                                   !1, $11
    4    15        CONCAT                                           ~13     'jobname%2F', !1
         16        INIT_ARRAY                                       ~14     <true>, ~13
         17        ASSIGN                                                   !2, ~14
    6    18        ADD                                              ~16     900, !0
         19        ASSIGN                                                   !3, ~16
    7    20        ASSIGN                                                   !4, 'jobname'
   10    21        ADD                                              ~19     !0, 30
         22        ASSIGN                                                   !5, ~19
         23      > JMP                                                      ->38
   12    24    >   INIT_FCALL                                               'strftime'
         25        SEND_VAL                                                 '%25Y-%25m-%25d+%25H%3A%25M%3A00'
         26        SEND_VAR                                                 !5
         27        DO_ICALL                                         $21     
         28        ASSIGN                                                   !1, $21
   13    29        CONCAT                                           ~23     !1, '%0A'
         30        ECHO                                                     ~23
   14    31        CONCAT                                           ~24     !4, '%2F'
         32        CONCAT                                           ~25     ~24, !1
         33        ISSET_ISEMPTY_DIM_OBJ                         1  ~26     !2, ~25
         34        BOOL_NOT                                         ~27     ~26
         35      > JMPZ                                                     ~27, ->37
   17    36    > > JMP                                                      ->37
   10    37    >   ASSIGN_OP                                     1          !5, 60
         38    >   IS_SMALLER                                               !5, !3
         39      > JMPNZ                                                    ~29, ->24
   23    40    >   COUNT                                            ~30     !2
         41        ECHO                                                     ~30
         42      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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