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<?php // http://gathering.tweakers.net/forum/list_messages/1644050 $date = new DateTime('2015-01-01'); // Volgens http://www.epochconverter.com/date-and-time/weeknumbers-by-year.php zou het nummer 1 moeten zijn. echo $date->format('W');
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/qd4Vt
function name:  (null)
number of ops:  9
compiled vars:  !0 = $date
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    5     0  E >   NEW                                                  $1      'DateTime'
          1        SEND_VAL_EX                                                  '2015-01-01'
          2        DO_FCALL                                          0          
          3        ASSIGN                                                       !0, $1
    8     4        INIT_METHOD_CALL                                             !0, 'format'
          5        SEND_VAL_EX                                                  'W'
          6        DO_FCALL                                          0  $4      
          7        ECHO                                                         $4
          8      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


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