3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = "Please ask your questions after the session is finished."; echo preg_replace('~(?:^\S+ \S+ |\G(?!^))\S+\K ~', "\n", $string);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/mhjNR
function name:  (null)
number of ops:  8
compiled vars:  !0 = $string
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 'Please+ask+your+questions+after+the+session+is+finished.'
    3     1        INIT_FCALL                                               'preg_replace'
          2        SEND_VAL                                                 '%7E%28%3F%3A%5E%5CS%2B+%5CS%2B+%7C%5CG%28%3F%21%5E%29%29%5CS%2B%5CK+%7E'
          3        SEND_VAL                                                 '%0A'
          4        SEND_VAR                                                 !0
          5        DO_ICALL                                         $2      
          6        ECHO                                                     $2
          7      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
141.38 ms | 996 KiB | 14 Q