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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"; $ts1 = strtotime('2010-01-31 +1 month'); $ts2 = strtotime('first day of next month'); $ts3 = strtotime('last day of this month', $ts2); $ts = $ts1; if ($ts1 > $ts3) { $ts = $ts3; } echo date('Y-m-d', $ts),"\n"; echo date('Y-m-d', $ts1),"\n"; echo date('Y-m-d', $ts2),"\n"; echo date('Y-m-d', $ts3),"\n";
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 66, Position 2 = 67
Branch analysis from position: 66
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 67
filename:       /in/sGDP6
function name:  (null)
number of ops:  92
compiled vars:  !0 = $ts, !1 = $dt, !2 = $ts1, !3 = $ts2, !4 = $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                                         $5      
          3        ASSIGN                                                   !0, $5
    3     4        INIT_FCALL                                               'date'
          5        SEND_VAL                                                 'Y-m-d'
          6        SEND_VAR                                                 !0
          7        DO_ICALL                                         $7      
          8        ECHO                                                     $7
          9        ECHO                                                     '%0A'
    5    10        NEW                                              $8      'DateTime'
         11        SEND_VAL_EX                                              '2010-01-31'
         12        DO_FCALL                                      0          
         13        ASSIGN                                                   !1, $8
    6    14        INIT_METHOD_CALL                                         !1, 'add'
         15        NEW                                              $11     'DateInterval'
         16        SEND_VAL_EX                                              'P1M'
         17        DO_FCALL                                      0          
         18        SEND_VAR_NO_REF_EX                                       $11
         19        DO_FCALL                                      0          
    7    20        INIT_METHOD_CALL                                         !1, 'format'
         21        SEND_VAL_EX                                              'Y-m-d'
         22        DO_FCALL                                      0  $14     
         23        ECHO                                                     $14
         24        ECHO                                                     '%0A'
    9    25        INIT_FCALL                                               'strtotime'
         26        SEND_VAL                                                 '2010-01-05+%2B1+month'
         27        DO_ICALL                                         $15     
         28        ASSIGN                                                   !0, $15
   10    29        INIT_FCALL                                               'date'
         30        SEND_VAL                                                 'Y-m-d'
         31        SEND_VAR                                                 !0
         32        DO_ICALL                                         $17     
         33        ECHO                                                     $17
         34        ECHO                                                     '%0A'
   12    35        NEW                                              $18     'DateTime'
         36        SEND_VAL_EX                                              '2010-01-05'
         37        DO_FCALL                                      0          
         38        ASSIGN                                                   !1, $18
   13    39        INIT_METHOD_CALL                                         !1, 'add'
         40        NEW                                              $21     'DateInterval'
         41        SEND_VAL_EX                                              'P1M'
         42        DO_FCALL                                      0          
         43        SEND_VAR_NO_REF_EX                                       $21
         44        DO_FCALL                                      0          
   14    45        INIT_METHOD_CALL                                         !1, 'format'
         46        SEND_VAL_EX                                              'Y-m-d'
         47        DO_FCALL                                      0  $24     
         48        ECHO                                                     $24
         49        ECHO                                                     '%0A'
   16    50        INIT_FCALL                                               'strtotime'
         51        SEND_VAL                                                 '2010-01-31+%2B1+month'
         52        DO_ICALL                                         $25     
         53        ASSIGN                                                   !2, $25
   17    54        INIT_FCALL                                               'strtotime'
         55        SEND_VAL                                                 'first+day+of+next+month'
         56        DO_ICALL                                         $27     
         57        ASSIGN                                                   !3, $27
   18    58        INIT_FCALL                                               'strtotime'
         59        SEND_VAL                                                 'last+day+of++this+month'
         60        SEND_VAR                                                 !3
         61        DO_ICALL                                         $29     
         62        ASSIGN                                                   !4, $29
   19    63        ASSIGN                                                   !0, !2
   20    64        IS_SMALLER                                               !4, !2
         65      > JMPZ                                                     ~32, ->67
   21    66    >   ASSIGN                                                   !0, !4
   23    67    >   INIT_FCALL                                               'date'
         68        SEND_VAL                                                 'Y-m-d'
         69        SEND_VAR                                                 !0
         70        DO_ICALL                                         $34     
         71        ECHO                                                     $34
         72        ECHO                                                     '%0A'
   24    73        INIT_FCALL                                               'date'
         74        SEND_VAL                                                 'Y-m-d'
         75        SEND_VAR                                                 !2
         76        DO_ICALL                                         $35     
         77        ECHO                                                     $35
         78        ECHO                                                     '%0A'
   25    79        INIT_FCALL                                               'date'
         80        SEND_VAL                                                 'Y-m-d'
         81        SEND_VAR                                                 !3
         82        DO_ICALL                                         $36     
         83        ECHO                                                     $36
         84        ECHO                                                     '%0A'
   26    85        INIT_FCALL                                               'date'
         86        SEND_VAL                                                 'Y-m-d'
         87        SEND_VAR                                                 !4
         88        DO_ICALL                                         $37     
         89        ECHO                                                     $37
         90        ECHO                                                     '%0A'
         91      > RETURN                                                   1

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