3v4l.org

run code in 300+ PHP versions simultaneously
<?php // create a new instance of DateTimeImmutable $date = new \DateTimeImmutable('2017-08-05'); // create a one-day interval $interval = new \DateInterval('P1D'); // subtract the interval, and keep doing that while the day before is not a weekday do { $date = $date->sub($interval); } while (5 < $date->format('N')); echo $date->format('Y-m-d');
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 44) Position 1 = 17, Position 2 = 8
Branch analysis from position: 17
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 8
filename:       /in/aT6Zj
function name:  (null)
number of ops:  22
compiled vars:  !0 = $date, !1 = $interval
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   NEW                                              $2      'DateTimeImmutable'
          1        SEND_VAL_EX                                              '2017-08-05'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !0, $2
    7     4        NEW                                              $5      'DateInterval'
          5        SEND_VAL_EX                                              'P1D'
          6        DO_FCALL                                      0          
          7        ASSIGN                                                   !1, $5
   11     8    >   INIT_METHOD_CALL                                         !0, 'sub'
          9        SEND_VAR_EX                                              !1
         10        DO_FCALL                                      0  $8      
         11        ASSIGN                                                   !0, $8
   12    12        INIT_METHOD_CALL                                         !0, 'format'
         13        SEND_VAL_EX                                              'N'
         14        DO_FCALL                                      0  $10     
         15        IS_SMALLER                                               5, $10
         16      > JMPNZ                                                    ~11, ->8
   14    17    >   INIT_METHOD_CALL                                         !0, 'format'
         18        SEND_VAL_EX                                              'Y-m-d'
         19        DO_FCALL                                      0  $12     
         20        ECHO                                                     $12
         21      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
176.24 ms | 1398 KiB | 13 Q