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<?php $x = new DateTime('2012-02-17'); $y = clone $x; $y->modify('last day of this month'); echo $x->format('d') . "\n"; echo $y->format('d') . "\n"; echo $y->format('d') - $x->format('d');
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/8ZhOb
function name:  (null)
number of ops:  28
compiled vars:  !0 = $x, !1 = $y
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $2      'DateTime'
          1        SEND_VAL_EX                                              '2012-02-17'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !0, $2
    4     4        CLONE                                            ~5      !0
          5        ASSIGN                                                   !1, ~5
    5     6        INIT_METHOD_CALL                                         !1, 'modify'
          7        SEND_VAL_EX                                              'last+day+of+this+month'
          8        DO_FCALL                                      0          
    7     9        INIT_METHOD_CALL                                         !0, 'format'
         10        SEND_VAL_EX                                              'd'
         11        DO_FCALL                                      0  $8      
         12        CONCAT                                           ~9      $8, '%0A'
         13        ECHO                                                     ~9
    8    14        INIT_METHOD_CALL                                         !1, 'format'
         15        SEND_VAL_EX                                              'd'
         16        DO_FCALL                                      0  $10     
         17        CONCAT                                           ~11     $10, '%0A'
         18        ECHO                                                     ~11
    9    19        INIT_METHOD_CALL                                         !1, 'format'
         20        SEND_VAL_EX                                              'd'
         21        DO_FCALL                                      0  $12     
         22        INIT_METHOD_CALL                                         !0, 'format'
         23        SEND_VAL_EX                                              'd'
         24        DO_FCALL                                      0  $13     
         25        SUB                                              ~14     $12, $13
         26        ECHO                                                     ~14
         27      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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