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<?php date_default_timezone_set( 'Europe/London' ); $a = new DateTimeImmutable('2023-08-12 13:00:00'); $b = new DateTimeImmutable('2023-08-11 13:01:00'); echo $a->diff($b)->format('%h hours %i minutes'); echo PHP_EOL; $t = strtotime('2023-08-12 13:00:00') - strtotime('2023-08-11 13:01:00'); echo date('H:i', $t);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/RGsuq
function name:  (null)
number of ops:  33
compiled vars:  !0 = $a, !1 = $b, !2 = $t
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'date_default_timezone_set'
          1        SEND_VAL                                                 'Europe%2FLondon'
          2        DO_ICALL                                                 
    5     3        NEW                                              $4      'DateTimeImmutable'
          4        SEND_VAL_EX                                              '2023-08-12+13%3A00%3A00'
          5        DO_FCALL                                      0          
          6        ASSIGN                                                   !0, $4
    6     7        NEW                                              $7      'DateTimeImmutable'
          8        SEND_VAL_EX                                              '2023-08-11+13%3A01%3A00'
          9        DO_FCALL                                      0          
         10        ASSIGN                                                   !1, $7
    7    11        INIT_METHOD_CALL                                         !0, 'diff'
         12        SEND_VAR_EX                                              !1
         13        DO_FCALL                                      0  $10     
         14        INIT_METHOD_CALL                                         $10, 'format'
         15        SEND_VAL_EX                                              '%25h+hours+%25i+minutes'
         16        DO_FCALL                                      0  $11     
         17        ECHO                                                     $11
    9    18        ECHO                                                     '%0A'
   11    19        INIT_FCALL                                               'strtotime'
         20        SEND_VAL                                                 '2023-08-12+13%3A00%3A00'
         21        DO_ICALL                                         $12     
         22        INIT_FCALL                                               'strtotime'
         23        SEND_VAL                                                 '2023-08-11+13%3A01%3A00'
         24        DO_ICALL                                         $13     
         25        SUB                                              ~14     $12, $13
         26        ASSIGN                                                   !2, ~14
   12    27        INIT_FCALL                                               'date'
         28        SEND_VAL                                                 'H%3Ai'
         29        SEND_VAR                                                 !2
         30        DO_ICALL                                         $16     
         31        ECHO                                                     $16
         32      > RETURN                                                   1

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