3v4l.org

run code in 300+ PHP versions simultaneously
<?php $durations = array( 'P1Y', 'P1M', 'P1D', 'PT1H', 'PT1M', 'PT1S', 'P1Y1M', 'P1Y1D', 'P1M1D', 'P1YT1H', 'P1YT1M', 'P1YT1S', 'P1MT1H', 'P1MT1M', 'P1MT1S', 'P1DT1H', 'P1DT1M', 'P1DT1S', 'PT1H1M', 'PT1H1S', 'PT1M1S', 'P1Y1M1D', 'P1YT1H1M', 'P1YT1H1S', 'P1YT1M1S', 'P1Y1MT1H', 'P1Y1MT1M', 'P1Y1MT1S', 'P1Y1DT1H', 'P1Y1DT1M', 'P1Y1DT1S', 'P1MT1H1M', 'P1MT1H1S', 'P1MT1M1S', 'P1M1DT1H', 'P1M1DT1M', 'P1M1DT1S', 'P1DT1H1M', 'P1DT1H1S', 'P1DT1M1S', 'PT1H1M1S', 'P1YT1H1M1S', 'P1Y1MT1H1M', 'P1Y1MT1H1S', 'P1Y1MT1M1S', 'P1Y1M1DT1H', 'P1Y1M1DT1M', 'P1Y1M1DT1S', 'P1Y1DT1H1M', 'P1Y1DT1H1S', 'P1Y1DT1M1S', 'P1MT1H1M1S', 'P1M1DT1H1M', 'P1M1DT1H1S', 'P1M1DT1M1S', 'P1DT1H1M1S', 'P1Y1MT1H1M1S', 'P1Y1M1DT1H1M', 'P1Y1M1DT1H1S', 'P1Y1M1DT1M1S', 'P1Y1DT1H1M1S', 'P1M1DT1H1M1S', 'P1Y1M1DT1H1M1S', ); function date_interval_iso(DateInterval $interval, $default = 'PT0S') { static $f = array('M0S', 'H0M', 'DT0H', 'M0D', 'P0Y', 'Y0M', 'P0M'); static $r = array('M', 'H', 'DT', 'M', 'P', 'Y', 'P'); return rtrim(str_replace($f, $r, $interval->format('P%yY%mM%dDT%hH%iM%sS') ), 'PT') ?: $default; } $isos = array(); foreach ($durations as $duration) { $isos[] = date_interval_iso(new \DateInterval($duration)); } $diff = array_diff($durations, $isos); if (!empty($diff)) { //output any differences var_dump($diff); } else { echo 'No Differences' . PHP_EOL; } //test zero duration DateInterval $date1 = new DateTime(); echo date_interval_iso($date1->diff($date1));
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 3, Position 2 = 13
Branch analysis from position: 3
2 jumps found. (Code = 78) Position 1 = 4, Position 2 = 13
Branch analysis from position: 4
1 jumps found. (Code = 42) Position 1 = 3
Branch analysis from position: 3
Branch analysis from position: 13
2 jumps found. (Code = 43) Position 1 = 22, Position 2 = 26
Branch analysis from position: 22
1 jumps found. (Code = 42) Position 1 = 27
Branch analysis from position: 27
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 26
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 13
filename:       /in/c55kL
function name:  (null)
number of ops:  38
compiled vars:  !0 = $durations, !1 = $isos, !2 = $duration, !3 = $diff, !4 = $date1
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
   78     1        ASSIGN                                                   !1, <array>
   79     2      > FE_RESET_R                                       $7      !0, ->13
          3    > > FE_FETCH_R                                               $7, !2, ->13
   80     4    >   INIT_FCALL                                               'date_interval_iso'
          5        NEW                                              $9      'DateInterval'
          6        SEND_VAR_EX                                              !2
          7        DO_FCALL                                      0          
          8        SEND_VAR                                                 $9
          9        DO_FCALL                                      0  $11     
         10        ASSIGN_DIM                                               !1
         11        OP_DATA                                                  $11
   79    12      > JMP                                                      ->3
         13    >   FE_FREE                                                  $7
   83    14        INIT_FCALL                                               'array_diff'
         15        SEND_VAR                                                 !0
         16        SEND_VAR                                                 !1
         17        DO_ICALL                                         $12     
         18        ASSIGN                                                   !3, $12
   84    19        ISSET_ISEMPTY_CV                                 ~14     !3
         20        BOOL_NOT                                         ~15     ~14
         21      > JMPZ                                                     ~15, ->26
   86    22    >   INIT_FCALL                                               'var_dump'
         23        SEND_VAR                                                 !3
         24        DO_ICALL                                                 
   84    25      > JMP                                                      ->27
   88    26    >   ECHO                                                     'No+Differences%0A'
   92    27    >   NEW                                              $17     'DateTime'
         28        DO_FCALL                                      0          
         29        ASSIGN                                                   !4, $17
   93    30        INIT_FCALL                                               'date_interval_iso'
         31        INIT_METHOD_CALL                                         !4, 'diff'
         32        SEND_VAR_EX                                              !4
         33        DO_FCALL                                      0  $20     
         34        SEND_VAR                                                 $20
         35        DO_FCALL                                      0  $21     
         36        ECHO                                                     $21
         37      > RETURN                                                   1

Function date_interval_iso:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/c55kL
function name:  date_interval_iso
number of ops:  20
compiled vars:  !0 = $interval, !1 = $default, !2 = $f, !3 = $r
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   69     0  E >   RECV                                             !0      
          1        RECV_INIT                                        !1      'PT0S'
   70     2        BIND_STATIC                                              !2
   71     3        BIND_STATIC                                              !3
   73     4        INIT_FCALL                                               'rtrim'
          5        INIT_FCALL                                               'str_replace'
          6        SEND_VAR                                                 !2
          7        SEND_VAR                                                 !3
   74     8        INIT_METHOD_CALL                                         !0, 'format'
          9        SEND_VAL_EX                                              'P%25yY%25mM%25dDT%25hH%25iM%25sS'
         10        DO_FCALL                                      0  $4      
         11        SEND_VAR                                                 $4
   73    12        DO_ICALL                                         $5      
   74    13        SEND_VAR                                                 $5
   75    14        SEND_VAL                                                 'PT'
   73    15        DO_ICALL                                         $6      
   75    16        JMP_SET                                          ~7      $6, ->18
         17        QM_ASSIGN                                        ~7      !1
         18      > RETURN                                                   ~7
   76    19*     > RETURN                                                   null

End of function date_interval_iso

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
141.57 ms | 1008 KiB | 19 Q