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<?php date_default_timezone_set('Europe/Prague'); $tz = new \DateTimeZone('UTC'); $date = new \DateTime('2016-05-05 midnight', $tz); echo $date->format('c'); echo PHP_EOL; $date->modify('first day of this month midnight'); $date->modify('-2 months'); $date->modify('last day of this month'); echo $date->format('c');
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/aOA4N
function name:  (null)
number of ops:  31
compiled vars:  !0 = $tz, !1 = $date
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'date_default_timezone_set'
          1        SEND_VAL                                                 'Europe%2FPrague'
          2        DO_ICALL                                                 
    5     3        NEW                                              $3      'DateTimeZone'
          4        SEND_VAL_EX                                              'UTC'
          5        DO_FCALL                                      0          
          6        ASSIGN                                                   !0, $3
    6     7        NEW                                              $6      'DateTime'
          8        SEND_VAL_EX                                              '2016-05-05+midnight'
          9        SEND_VAR_EX                                              !0
         10        DO_FCALL                                      0          
         11        ASSIGN                                                   !1, $6
    8    12        INIT_METHOD_CALL                                         !1, 'format'
         13        SEND_VAL_EX                                              'c'
         14        DO_FCALL                                      0  $9      
         15        ECHO                                                     $9
    9    16        ECHO                                                     '%0A'
   10    17        INIT_METHOD_CALL                                         !1, 'modify'
         18        SEND_VAL_EX                                              'first+day+of+this+month+midnight'
         19        DO_FCALL                                      0          
   11    20        INIT_METHOD_CALL                                         !1, 'modify'
         21        SEND_VAL_EX                                              '-2+months'
         22        DO_FCALL                                      0          
   12    23        INIT_METHOD_CALL                                         !1, 'modify'
         24        SEND_VAL_EX                                              'last+day+of+this+month'
         25        DO_FCALL                                      0          
   13    26        INIT_METHOD_CALL                                         !1, 'format'
         27        SEND_VAL_EX                                              'c'
         28        DO_FCALL                                      0  $13     
         29        ECHO                                                     $13
         30      > RETURN                                                   1

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