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<?php $day = '01'; var_dump(is_numeric($day)); var_dump(ctype_digit($day)); $a = mktime(0, 0, 0, date('m'), date('d') + $day, date('Y')); var_dump($a);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/B85jG
function name:  (null)
number of ops:  36
compiled vars:  !0 = $day, !1 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, '01'
    3     1        INIT_FCALL                                               'var_dump'
          2        INIT_FCALL                                               'is_numeric'
          3        SEND_VAR                                                 !0
          4        DO_ICALL                                         $3      
          5        SEND_VAR                                                 $3
          6        DO_ICALL                                                 
    4     7        INIT_FCALL                                               'var_dump'
          8        INIT_FCALL                                               'ctype_digit'
          9        SEND_VAR                                                 !0
         10        DO_ICALL                                         $5      
         11        SEND_VAR                                                 $5
         12        DO_ICALL                                                 
    5    13        INIT_FCALL                                               'mktime'
         14        SEND_VAL                                                 0
         15        SEND_VAL                                                 0
         16        SEND_VAL                                                 0
         17        INIT_FCALL                                               'date'
         18        SEND_VAL                                                 'm'
         19        DO_ICALL                                         $7      
         20        SEND_VAR                                                 $7
         21        INIT_FCALL                                               'date'
         22        SEND_VAL                                                 'd'
         23        DO_ICALL                                         $8      
         24        ADD                                              ~9      $8, !0
         25        SEND_VAL                                                 ~9
         26        INIT_FCALL                                               'date'
         27        SEND_VAL                                                 'Y'
         28        DO_ICALL                                         $10     
         29        SEND_VAR                                                 $10
         30        DO_ICALL                                         $11     
         31        ASSIGN                                                   !1, $11
    6    32        INIT_FCALL                                               'var_dump'
         33        SEND_VAR                                                 !1
         34        DO_ICALL                                                 
         35      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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