3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo preg_replace('#(?:^[^\pL]*)|(?:[^\pL]*$)#u','',$string);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/4kctD
function name:  (null)
number of ops:  7
compiled vars:  !0 = $string
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'preg_replace'
          1        SEND_VAL                                                 '%23%28%3F%3A%5E%5B%5E%5CpL%5D%2A%29%7C%28%3F%3A%5B%5E%5CpL%5D%2A%24%29%23u'
          2        SEND_VAL                                                 ''
          3        SEND_VAR                                                 !0
          4        DO_ICALL                                         $1      
          5        ECHO                                                     $1
          6      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
162.95 ms | 1385 KiB | 15 Q