3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = "a b v f"; var_dump(preg_split("\s*\n\s*"));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/F8gmK
function name:  (null)
number of ops:  8
compiled vars:  !0 = $str
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'a%0A++++b%0A++++v%0A++++f'
    9     1        INIT_FCALL                                               'var_dump'
          2        INIT_FCALL                                               'preg_split'
          3        SEND_VAL                                                 '%5Cs%2A%0A%5Cs%2A'
          4        DO_ICALL                                         $2      
          5        SEND_VAR                                                 $2
          6        DO_ICALL                                                 
          7      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
171.34 ms | 1393 KiB | 17 Q