3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = "blah 2015 yar"; $pos = strpos($string, "20"); $year = substr($string, $pos, 4); $end_year = "12/31/" . $year; $end_time = new DateTime($end_year); print_r($end_time); $start_time = new DateTime(); print_r($start_time); $date1 = $end_time->format('Y-m-d'); echo $date1; $date2 = $start_time->format('Y-m-d'); $diff = $end_time->diff($start_time); print_r($diff); ?>
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/4oCKo
function name:  (null)
number of ops:  44
compiled vars:  !0 = $string, !1 = $pos, !2 = $year, !3 = $end_year, !4 = $end_time, !5 = $start_time, !6 = $date1, !7 = $date2, !8 = $diff
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 'blah+2015+yar'
    3     1        INIT_FCALL                                               'strpos'
          2        SEND_VAR                                                 !0
          3        SEND_VAL                                                 '20'
          4        DO_ICALL                                         $10     
          5        ASSIGN                                                   !1, $10
    4     6        INIT_FCALL                                               'substr'
          7        SEND_VAR                                                 !0
          8        SEND_VAR                                                 !1
          9        SEND_VAL                                                 4
         10        DO_ICALL                                         $12     
         11        ASSIGN                                                   !2, $12
    6    12        CONCAT                                           ~14     '12%2F31%2F', !2
         13        ASSIGN                                                   !3, ~14
    7    14        NEW                                              $16     'DateTime'
         15        SEND_VAR_EX                                              !3
         16        DO_FCALL                                      0          
         17        ASSIGN                                                   !4, $16
    8    18        INIT_FCALL                                               'print_r'
         19        SEND_VAR                                                 !4
         20        DO_ICALL                                                 
    9    21        NEW                                              $20     'DateTime'
         22        DO_FCALL                                      0          
         23        ASSIGN                                                   !5, $20
   10    24        INIT_FCALL                                               'print_r'
         25        SEND_VAR                                                 !5
         26        DO_ICALL                                                 
   11    27        INIT_METHOD_CALL                                         !4, 'format'
         28        SEND_VAL_EX                                              'Y-m-d'
         29        DO_FCALL                                      0  $24     
         30        ASSIGN                                                   !6, $24
   12    31        ECHO                                                     !6
   13    32        INIT_METHOD_CALL                                         !5, 'format'
         33        SEND_VAL_EX                                              'Y-m-d'
         34        DO_FCALL                                      0  $26     
         35        ASSIGN                                                   !7, $26
   14    36        INIT_METHOD_CALL                                         !4, 'diff'
         37        SEND_VAR_EX                                              !5
         38        DO_FCALL                                      0  $28     
         39        ASSIGN                                                   !8, $28
   15    40        INIT_FCALL                                               'print_r'
         41        SEND_VAR                                                 !8
         42        DO_ICALL                                                 
   18    43      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
153.34 ms | 1392 KiB | 19 Q