3v4l.org

run code in 300+ PHP versions simultaneously
<?php $cadena = 'Álvaro / Re-quena'; $patrón = '/[^a-zA-ZñÑ\s]/i'; $sustitución = ''; echo preg_replace($patrón, $sustitución, $cadena);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/WEFap
function name:  (null)
number of ops:  10
compiled vars:  !0 = $cadena, !1 = $patrón, !2 = $sustitución
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '%C3%81lvaro+%2F+Re-quena'
    4     1        ASSIGN                                                   !1, '%2F%5B%5Ea-zA-Z%C3%B1%C3%91%5Cs%5D%2Fi'
    5     2        ASSIGN                                                   !2, ''
    6     3        INIT_FCALL                                               'preg_replace'
          4        SEND_VAR                                                 !1
          5        SEND_VAR                                                 !2
          6        SEND_VAR                                                 !0
          7        DO_ICALL                                         $6      
          8        ECHO                                                     $6
          9      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
153.98 ms | 1398 KiB | 15 Q