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<?php $recur = 'FREQ=WEEKLY;BYDAY=TU'; $ex = explode(';', $recur); $freq = str_replace('FREQ=','',$ex[0]); $day = str_replace('BYDAY=','',$ex[1]); $dates = []; switch ($freq) { case 'WEEKLY': $date = new DateTime(); // set to correct day obvs $dates[] = $date; for ($x = 0; $x <= 52; $x ++) { $date = clone $date; $date->modify('+1 week'); $dates[] = $date; } break; } foreach($dates as $date) { echo $date->format('Y-m-d')."\n"; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 44) Position 1 = 17, Position 2 = 18
Branch analysis from position: 17
1 jumps found. (Code = 42) Position 1 = 36
Branch analysis from position: 36
2 jumps found. (Code = 77) Position 1 = 37, Position 2 = 44
Branch analysis from position: 37
2 jumps found. (Code = 78) Position 1 = 38, Position 2 = 44
Branch analysis from position: 38
1 jumps found. (Code = 42) Position 1 = 37
Branch analysis from position: 37
Branch analysis from position: 44
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 44
Branch analysis from position: 18
1 jumps found. (Code = 42) Position 1 = 33
Branch analysis from position: 33
2 jumps found. (Code = 44) Position 1 = 35, Position 2 = 25
Branch analysis from position: 35
1 jumps found. (Code = 42) Position 1 = 36
Branch analysis from position: 36
Branch analysis from position: 25
2 jumps found. (Code = 44) Position 1 = 35, Position 2 = 25
Branch analysis from position: 35
Branch analysis from position: 25
filename:       /in/Dgriv
function name:  (null)
number of ops:  46
compiled vars:  !0 = $recur, !1 = $ex, !2 = $freq, !3 = $day, !4 = $dates, !5 = $date, !6 = $x
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                       !0, 'FREQ%3DWEEKLY%3BBYDAY%3DTU'
    4     1        INIT_FCALL                                                   'explode'
          2        SEND_VAL                                                     '%3B'
          3        SEND_VAR                                                     !0
          4        DO_ICALL                                             $8      
          5        ASSIGN                                                       !1, $8
    5     6        FETCH_DIM_R                                          ~10     !1, 0
          7        FRAMELESS_ICALL_3                str_replace         ~11     'FREQ%3D', ''
          8        OP_DATA                                                      ~10
          9        ASSIGN                                                       !2, ~11
    6    10        FETCH_DIM_R                                          ~13     !1, 1
         11        FRAMELESS_ICALL_3                str_replace         ~14     'BYDAY%3D', ''
         12        OP_DATA                                                      ~13
         13        ASSIGN                                                       !3, ~14
    8    14        ASSIGN                                                       !4, <array>
   11    15        IS_EQUAL                                                     !2, 'WEEKLY'
         16      > JMPNZ                                                        ~17, ->18
         17    > > JMP                                                          ->36
   12    18    >   NEW                                                  $18     'DateTime'
         19        DO_FCALL                                          0          
         20        ASSIGN                                                       !5, $18
   13    21        ASSIGN_DIM                                                   !4
         22        OP_DATA                                                      !5
   14    23        ASSIGN                                                       !6, 0
         24      > JMP                                                          ->33
   15    25    >   CLONE                                                ~23     !5
         26        ASSIGN                                                       !5, ~23
   16    27        INIT_METHOD_CALL                                             !5, 'modify'
         28        SEND_VAL_EX                                                  '%2B1+week'
         29        DO_FCALL                                          0          
   17    30        ASSIGN_DIM                                                   !4
         31        OP_DATA                                                      !5
   14    32        PRE_INC                                                      !6
         33    >   IS_SMALLER_OR_EQUAL                                          !6, 52
         34      > JMPNZ                                                        ~28, ->25
   19    35    > > JMP                                                          ->36
   22    36    > > FE_RESET_R                                           $29     !4, ->44
         37    > > FE_FETCH_R                                                   $29, !5, ->44
   23    38    >   INIT_METHOD_CALL                                             !5, 'format'
         39        SEND_VAL_EX                                                  'Y-m-d'
         40        DO_FCALL                                          0  $30     
         41        CONCAT                                               ~31     $30, '%0A'
         42        ECHO                                                         ~31
   22    43      > JMP                                                          ->37
         44    >   FE_FREE                                                      $29
   24    45      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


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