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<?php $ts = strtotime('2010-01-31 +1 month'); echo date('Y-m-d', $ts),"\n"; $dt = new \DateTime('2010-01-31'); $dt->add(new \DateInterval('P1M')); echo $dt->format('Y-m-d'),"\n"; $ts = strtotime('2010-01-05 +1 month'); echo date('Y-m-d', $ts),"\n"; $dt = new \DateTime('2010-01-05'); $dt->add(new \DateInterval('P1M')); echo $dt->format('Y-m-d'),"\n"; $orig = strtotime('2010-01-31'); $ts1 = strtotime('+1 month', $orig); $ts2 = strtotime('first day of next month', $orig); $ts3 = strtotime('last day of this month', $ts2); $ts = $ts1; if ($ts1 > $ts3) { $ts = $ts3; } echo date('Y-m-d', $ts),"\n";
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 72, Position 2 = 73
Branch analysis from position: 72
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 73
filename:       /in/K7JLD
function name:  (null)
number of ops:  80
compiled vars:  !0 = $ts, !1 = $dt, !2 = $orig, !3 = $ts1, !4 = $ts2, !5 = $ts3
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'strtotime'
          1        SEND_VAL                                                 '2010-01-31+%2B1+month'
          2        DO_ICALL                                         $6      
          3        ASSIGN                                                   !0, $6
    3     4        INIT_FCALL                                               'date'
          5        SEND_VAL                                                 'Y-m-d'
          6        SEND_VAR                                                 !0
          7        DO_ICALL                                         $8      
          8        ECHO                                                     $8
          9        ECHO                                                     '%0A'
    5    10        NEW                                              $9      'DateTime'
         11        SEND_VAL_EX                                              '2010-01-31'
         12        DO_FCALL                                      0          
         13        ASSIGN                                                   !1, $9
    6    14        INIT_METHOD_CALL                                         !1, 'add'
         15        NEW                                              $12     'DateInterval'
         16        SEND_VAL_EX                                              'P1M'
         17        DO_FCALL                                      0          
         18        SEND_VAR_NO_REF_EX                                       $12
         19        DO_FCALL                                      0          
    7    20        INIT_METHOD_CALL                                         !1, 'format'
         21        SEND_VAL_EX                                              'Y-m-d'
         22        DO_FCALL                                      0  $15     
         23        ECHO                                                     $15
         24        ECHO                                                     '%0A'
    9    25        INIT_FCALL                                               'strtotime'
         26        SEND_VAL                                                 '2010-01-05+%2B1+month'
         27        DO_ICALL                                         $16     
         28        ASSIGN                                                   !0, $16
   10    29        INIT_FCALL                                               'date'
         30        SEND_VAL                                                 'Y-m-d'
         31        SEND_VAR                                                 !0
         32        DO_ICALL                                         $18     
         33        ECHO                                                     $18
         34        ECHO                                                     '%0A'
   12    35        NEW                                              $19     'DateTime'
         36        SEND_VAL_EX                                              '2010-01-05'
         37        DO_FCALL                                      0          
         38        ASSIGN                                                   !1, $19
   13    39        INIT_METHOD_CALL                                         !1, 'add'
         40        NEW                                              $22     'DateInterval'
         41        SEND_VAL_EX                                              'P1M'
         42        DO_FCALL                                      0          
         43        SEND_VAR_NO_REF_EX                                       $22
         44        DO_FCALL                                      0          
   14    45        INIT_METHOD_CALL                                         !1, 'format'
         46        SEND_VAL_EX                                              'Y-m-d'
         47        DO_FCALL                                      0  $25     
         48        ECHO                                                     $25
         49        ECHO                                                     '%0A'
   16    50        INIT_FCALL                                               'strtotime'
         51        SEND_VAL                                                 '2010-01-31'
         52        DO_ICALL                                         $26     
         53        ASSIGN                                                   !2, $26
   17    54        INIT_FCALL                                               'strtotime'
         55        SEND_VAL                                                 '%2B1+month'
         56        SEND_VAR                                                 !2
         57        DO_ICALL                                         $28     
         58        ASSIGN                                                   !3, $28
   18    59        INIT_FCALL                                               'strtotime'
         60        SEND_VAL                                                 'first+day+of+next+month'
         61        SEND_VAR                                                 !2
         62        DO_ICALL                                         $30     
         63        ASSIGN                                                   !4, $30
   19    64        INIT_FCALL                                               'strtotime'
         65        SEND_VAL                                                 'last+day+of+this+month'
         66        SEND_VAR                                                 !4
         67        DO_ICALL                                         $32     
         68        ASSIGN                                                   !5, $32
   20    69        ASSIGN                                                   !0, !3
   21    70        IS_SMALLER                                               !5, !3
         71      > JMPZ                                                     ~35, ->73
   22    72    >   ASSIGN                                                   !0, !5
   24    73    >   INIT_FCALL                                               'date'
         74        SEND_VAL                                                 'Y-m-d'
         75        SEND_VAR                                                 !0
         76        DO_ICALL                                         $37     
         77        ECHO                                                     $37
         78        ECHO                                                     '%0A'
         79      > RETURN                                                   1

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