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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('last day of next month', $orig); $ts = $ts1; if ($ts1 > $ts2) { $ts = $ts2; } echo date('Y-m-d', $ts),"\n"; $orig = new \DateTime('2010-01-31'); $dt1 = clone $orig; $dt1->add(new \DateInterval('P1M')); $dt2 = clone $orig; $dt2->modify('last day of next month'); $dt = $dt1; if ($dt1 > $dt2) { $dt = $dt2; } echo $dt->format('Y-m-d'),"\n";
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 67, Position 2 = 68
Branch analysis from position: 67
2 jumps found. (Code = 43) Position 1 = 94, Position 2 = 95
Branch analysis from position: 94
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 95
Branch analysis from position: 68
filename:       /in/PZHr3
function name:  (null)
number of ops:  101
compiled vars:  !0 = $ts, !1 = $dt, !2 = $orig, !3 = $ts1, !4 = $ts2, !5 = $dt1, !6 = $dt2
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                                         $7      
          3        ASSIGN                                                   !0, $7
    3     4        INIT_FCALL                                               'date'
          5        SEND_VAL                                                 'Y-m-d'
          6        SEND_VAR                                                 !0
          7        DO_ICALL                                         $9      
          8        ECHO                                                     $9
          9        ECHO                                                     '%0A'
    5    10        NEW                                              $10     'DateTime'
         11        SEND_VAL_EX                                              '2010-01-31'
         12        DO_FCALL                                      0          
         13        ASSIGN                                                   !1, $10
    6    14        INIT_METHOD_CALL                                         !1, 'add'
         15        NEW                                              $13     'DateInterval'
         16        SEND_VAL_EX                                              'P1M'
         17        DO_FCALL                                      0          
         18        SEND_VAR_NO_REF_EX                                       $13
         19        DO_FCALL                                      0          
    7    20        INIT_METHOD_CALL                                         !1, 'format'
         21        SEND_VAL_EX                                              'Y-m-d'
         22        DO_FCALL                                      0  $16     
         23        ECHO                                                     $16
         24        ECHO                                                     '%0A'
    9    25        INIT_FCALL                                               'strtotime'
         26        SEND_VAL                                                 '2010-01-05+%2B1+month'
         27        DO_ICALL                                         $17     
         28        ASSIGN                                                   !0, $17
   10    29        INIT_FCALL                                               'date'
         30        SEND_VAL                                                 'Y-m-d'
         31        SEND_VAR                                                 !0
         32        DO_ICALL                                         $19     
         33        ECHO                                                     $19
         34        ECHO                                                     '%0A'
   12    35        NEW                                              $20     'DateTime'
         36        SEND_VAL_EX                                              '2010-01-05'
         37        DO_FCALL                                      0          
         38        ASSIGN                                                   !1, $20
   13    39        INIT_METHOD_CALL                                         !1, 'add'
         40        NEW                                              $23     'DateInterval'
         41        SEND_VAL_EX                                              'P1M'
         42        DO_FCALL                                      0          
         43        SEND_VAR_NO_REF_EX                                       $23
         44        DO_FCALL                                      0          
   14    45        INIT_METHOD_CALL                                         !1, 'format'
         46        SEND_VAL_EX                                              'Y-m-d'
         47        DO_FCALL                                      0  $26     
         48        ECHO                                                     $26
         49        ECHO                                                     '%0A'
   16    50        INIT_FCALL                                               'strtotime'
         51        SEND_VAL                                                 '2010-01-31'
         52        DO_ICALL                                         $27     
         53        ASSIGN                                                   !2, $27
   17    54        INIT_FCALL                                               'strtotime'
         55        SEND_VAL                                                 '%2B1+month'
         56        SEND_VAR                                                 !2
         57        DO_ICALL                                         $29     
         58        ASSIGN                                                   !3, $29
   18    59        INIT_FCALL                                               'strtotime'
         60        SEND_VAL                                                 'last+day+of+next+month'
         61        SEND_VAR                                                 !2
         62        DO_ICALL                                         $31     
         63        ASSIGN                                                   !4, $31
   19    64        ASSIGN                                                   !0, !3
   20    65        IS_SMALLER                                               !4, !3
         66      > JMPZ                                                     ~34, ->68
   21    67    >   ASSIGN                                                   !0, !4
   23    68    >   INIT_FCALL                                               'date'
         69        SEND_VAL                                                 'Y-m-d'
         70        SEND_VAR                                                 !0
         71        DO_ICALL                                         $36     
         72        ECHO                                                     $36
         73        ECHO                                                     '%0A'
   25    74        NEW                                              $37     'DateTime'
         75        SEND_VAL_EX                                              '2010-01-31'
         76        DO_FCALL                                      0          
         77        ASSIGN                                                   !2, $37
   26    78        CLONE                                            ~40     !2
         79        ASSIGN                                                   !5, ~40
   27    80        INIT_METHOD_CALL                                         !5, 'add'
         81        NEW                                              $42     'DateInterval'
         82        SEND_VAL_EX                                              'P1M'
         83        DO_FCALL                                      0          
         84        SEND_VAR_NO_REF_EX                                       $42
         85        DO_FCALL                                      0          
   28    86        CLONE                                            ~45     !2
         87        ASSIGN                                                   !6, ~45
   29    88        INIT_METHOD_CALL                                         !6, 'modify'
         89        SEND_VAL_EX                                              'last+day+of+next+month'
         90        DO_FCALL                                      0          
   30    91        ASSIGN                                                   !1, !5
   31    92        IS_SMALLER                                               !6, !5
         93      > JMPZ                                                     ~49, ->95
   32    94    >   ASSIGN                                                   !1, !6
   34    95    >   INIT_METHOD_CALL                                         !1, 'format'
         96        SEND_VAL_EX                                              'Y-m-d'
         97        DO_FCALL                                      0  $51     
         98        ECHO                                                     $51
         99        ECHO                                                     '%0A'
        100      > RETURN                                                   1

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