3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = "L’autentica Basilicata Igt Bianco Dolce 2007"; $str = preg_replace_callback('/[\'`’]([aeiou])/', function ($m) { return strtoupper($m[1]); }, $str); var_dump($str);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/rvp52
function name:  (null)
number of ops:  12
compiled vars:  !0 = $str
line     #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   2     0  E >   QM_ASSIGN                                                !0
   3     1        INIT_FCALL                                               'preg_replace_callback'
         2        SEND_VAL                                                 '%2F%5B%27%60%E2%80%99%5D%28%5Baeiou%5D%29%2F'
         3        RAISE_ABSTRACT_ERROR                             ~2      '%00%7Bclosure%7D%2Fin%2Frvp520x7f13e827933d'
         4        SEND_VAL                                                 ~2
         5        SEND_VAR                                                 !0
         6        DO_ICALL                                         $3      
         7        QM_ASSIGN                                                !0
   4     8        INIT_FCALL                                               'var_dump'
         9        SEND_VAR                                                 !0
        10        DO_ICALL                                                 
        11      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2Frvp520x7f13e827933d:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/rvp52
function name:  {closure}
number of ops:  7
compiled vars:  !0 = $m
line     #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   3     0  E >   RECV                                             !0      
         1        INIT_FCALL                                               'strtoupper'
         2        FETCH_DIM_R                                      ~1      !0, 1
         3        SEND_VAL                                                 ~1
         4        DO_ICALL                                         $2      
         5      > RETURN                                                   $2
         6*     > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2Frvp520x7f13e827933d

Generated using Vulcan Logic Dumper, using php 7.4.0