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<?php // http://stackoverflow.com/questions/13128854/php-datetime-class-change-first-day-of-the-week-to-monday?rq=1 $test = new DateTime('2012-11-04'); // 2012-11-05 // I expect to get 2012-10-29 var_dump($test->modify('Monday this week')->format('Y-m-d')); setlocale(LC_ALL, 'nl_NL'); $test = new DateTime('2012-11-04'); // 2012-11-05 // I expect to get 2012-10-29 var_dump($test->modify('Monday this week')->format('Y-m-d'));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Y3NhP
function name:  (null)
number of ops:  31
compiled vars:  !0 = $test
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E >   NEW                                              $1      'DateTime'
          1        SEND_VAL_EX                                              '2012-11-04'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !0, $1
    8     4        INIT_FCALL                                               'var_dump'
          5        INIT_METHOD_CALL                                         !0, 'modify'
          6        SEND_VAL_EX                                              'Monday+this+week'
          7        DO_FCALL                                      0  $4      
          8        INIT_METHOD_CALL                                         $4, 'format'
          9        SEND_VAL_EX                                              'Y-m-d'
         10        DO_FCALL                                      0  $5      
         11        SEND_VAR                                                 $5
         12        DO_ICALL                                                 
   11    13        INIT_FCALL                                               'setlocale'
         14        SEND_VAL                                                 6
         15        SEND_VAL                                                 'nl_NL'
         16        DO_ICALL                                                 
   13    17        NEW                                              $8      'DateTime'
         18        SEND_VAL_EX                                              '2012-11-04'
         19        DO_FCALL                                      0          
         20        ASSIGN                                                   !0, $8
   16    21        INIT_FCALL                                               'var_dump'
         22        INIT_METHOD_CALL                                         !0, 'modify'
         23        SEND_VAL_EX                                              'Monday+this+week'
         24        DO_FCALL                                      0  $11     
         25        INIT_METHOD_CALL                                         $11, 'format'
         26        SEND_VAL_EX                                              'Y-m-d'
         27        DO_FCALL                                      0  $12     
         28        SEND_VAR                                                 $12
         29        DO_ICALL                                                 
         30      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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