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<?php $tz = new DateTimeZone('America/Denver'); $now = new DateTime('August 31', $tz); echo 'today ' . $now->format('M-d'); $now->modify('first day this month'); echo 'first ' .$now->format('M-d'); $now = new DateTime('August 31', $tz); $now->modify('last day this month'); echo 'last ' .$now->format('M-d'); $now->modify('first day this month'); echo 'first after last ' .$now->format('M-d');
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/K8lDL
function name:  (null)
number of ops:  44
compiled vars:  !0 = $tz, !1 = $now
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   NEW                                              $2      'DateTimeZone'
          1        SEND_VAL_EX                                              'America%2FDenver'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !0, $2
    3     4        NEW                                              $5      'DateTime'
          5        SEND_VAL_EX                                              'August+31'
          6        SEND_VAR_EX                                              !0
          7        DO_FCALL                                      0          
          8        ASSIGN                                                   !1, $5
    4     9        INIT_METHOD_CALL                                         !1, 'format'
         10        SEND_VAL_EX                                              'M-d'
         11        DO_FCALL                                      0  $8      
         12        CONCAT                                           ~9      'today+', $8
         13        ECHO                                                     ~9
    5    14        INIT_METHOD_CALL                                         !1, 'modify'
         15        SEND_VAL_EX                                              'first+day+this+month'
         16        DO_FCALL                                      0          
    6    17        INIT_METHOD_CALL                                         !1, 'format'
         18        SEND_VAL_EX                                              'M-d'
         19        DO_FCALL                                      0  $11     
         20        CONCAT                                           ~12     'first+', $11
         21        ECHO                                                     ~12
    7    22        NEW                                              $13     'DateTime'
         23        SEND_VAL_EX                                              'August+31'
         24        SEND_VAR_EX                                              !0
         25        DO_FCALL                                      0          
         26        ASSIGN                                                   !1, $13
    8    27        INIT_METHOD_CALL                                         !1, 'modify'
         28        SEND_VAL_EX                                              'last+day+this+month'
         29        DO_FCALL                                      0          
    9    30        INIT_METHOD_CALL                                         !1, 'format'
         31        SEND_VAL_EX                                              'M-d'
         32        DO_FCALL                                      0  $17     
         33        CONCAT                                           ~18     'last+', $17
         34        ECHO                                                     ~18
   10    35        INIT_METHOD_CALL                                         !1, 'modify'
         36        SEND_VAL_EX                                              'first+day+this+month'
         37        DO_FCALL                                      0          
   11    38        INIT_METHOD_CALL                                         !1, 'format'
         39        SEND_VAL_EX                                              'M-d'
         40        DO_FCALL                                      0  $20     
         41        CONCAT                                           ~21     'first+after+last+', $20
         42        ECHO                                                     ~21
         43      > RETURN                                                   1

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